Preview of the 114th Meeting, AAAS · Preview ofthe 114th Meeting, AAAS: Chicago, December26-31, 1947 General Information Sixty-five Association sections and affiliated societies

Preview of the 114th Meeting, AAAS:Chicago, December 26-31, 1947

General Information

Sixty-five Association sections and affiliated societieswill present programs at the Chicago meeting. In addi-tion, meetings have been scheduled for the organizationof two new scientific societies, one in the field of system-atic zoology and the other in the field of the social andeconomic sciences, specifically the study of invention.Other groups, such as the Natural Resources Council ofAmerica, Grassland Research Foundation, and Ecolo-gists' Union, are meeting jointly with related societies.The physical arrangements for the meeting were made

with the help of Fred Puffer, of the Chicago ConventionBureau, and local committees; in several cases arrange-ments were made by representatives of the cooperatingsocieties. Through the Convention Bureau the Associa-tion obtained commitments for about 4,000 hotel rooms.Commitments for session rooms were obtained from thesales managers of the Blackstone, Congress, PalmerHouse, Sherman, and Stevens Hotels. Officers of TheUniversity of Chicago generously provided meetingrooms for societies desiring to meet on the campus of theUniversity. In every case, societies having closely relatedinterests have been assigned meeting rooms in the sameor adjacent hotels, in order that their members maymingle conveniently with a minimum of outdoor travel.The following institutions in the Chicago area named

representatives to organize the local committees:Chicago Academy of Science, Chicago Historical Society,Chicago Natural History Museum, Chicago TechnicalSocieties Council, DePaul University, Elmhurst College,George Williams College, Illinois Institute of Technology,Lake Forest College, Museum of Science and Industry,National College of Education, Northwestern University,Roosevelt College, Saint Xavier College for Women,John G. Shedd Aquarium, University of Chicago, Uni-versity of Illinois, and Wheaton College. At a meeting ofcommittee members early in 1947, Paul Jenkins, secretaryof the Chicago Technical Societies Council, was electedgeneral chairman. His tasks have been to coordinate theactivities of the subcommittees and to serve as theirintermediary with the administrative officers of theAssociation. The five subcommittees are: Finance:W. P. Cortelyou, Roosevelt College, chairman; GilbertA. Force, Illinois Institute of Technology, treasurer;Equipment: R. T. Van Niman, Chicago TechnicalSocieties Council, chairman; Publicity: Jeannette Lowrey,The University of Chicago, chairman; Reception andEntertainment: Margaret Scriven, Chicago HistoricalSociety, chairman; Registration: Hans 0. Hoeppner, The

University of Chicago, chairman. The general functionsof these committees include raising funds to defray localcommittee expenses, providing equipment for the meet-ings of the sections and societies, aiding in the direction ofpress room activities, arranging for the general reception,and facilitating registration.

Reservations for sleeping accommnodations may yet bemade through the AAAS Reservation Center, ChicagoConvention Bureau, 33 N. La Salle Street, Chicago 9.When writing for reservations, give your home address,dates of arrival and departure, and three hotels in order ofpreference. The hotel headquarters for all sections andsocieties meeting with the Association follow:

The Sherman Hotel will be the general headquarters ofthe Association, housing the Press Room (Parlors L, MI,and 0) and the business meetings of the Association.

Congress Hotel: American Association of EconomicEntomologists, American Microscopical Society, Ameri-can Society of Naturalists, American Society of Parasi-tologists, Beta Beta Beta, Ecological Society of America,Entomological Society of America, Society for the Studyof Evolution, Society of Systematic Zoologists.

ContineWtal Hotel: Econometric Society.Palnzcr House: Section B (Physics), Section 0 (Agri-

culture), American Association of Physics Teachers,American Dietetic Association, American MeteorologicalSociety, American Physical Society, American Societyfor Horticultural Science, Honor Society of Phi KappaPhi, Philosophy of Science Association, Pi LambdaTheta, Potato Association of America, Society forResearch in Child Development. (Meetings of Section B,American Association of Physics Teachers, AmericanMeteorological Society, and American Physical Societywill be held on the campus of The University of Chicago.)

Shermatn Hotel: Section A (Mathematics), Section C(Chemistry), Section D (Astronomy), Section E (Geologyand Geography), Section H (Anthropology), Section I(Psychology), Section K (Social and Economic Sciences),Section L (History and Philosophy of Science), SectionM (Engineering), Subsection Nd (Dentistry), Sub-.section Nm (Medicine), Subsection Np (Pharmacy),Section Q (Education), American Chemical Society(Chicago Section), American Nature Study Society,Cooperative Committee on Science Teaching of AAAS,National Association of Biology Teachers, NationalScience Teachers Association, Pi Gamma Mu, ResearchCouncil on Problems of Alcohol, Sigma Delta Epsilon,Society of the Sigma Xi.

Stevens Hotel: Section F (Zoology), Section G (Botany),American Fern Society, American Phytopathological

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Society, American Society of Plant Physiologists, Ameri-can Society of Professional Biologists, American Societyof Plant Taxonomists, American Society of Zoologists,Biometric Society (Eastern North American Region),American Statistical Association (Biometrics Section),Botanical Society of America, Inc., Genetics Society ofAmerica, Herpetologists League, Limnological Society ofAmerica, Mycological Society of America, PhycologicalSociety of the Americas, Sullivant Moss Society.The main registration center will be located adjacent to

the Exposition Hall in the Stevens Hotel and will be openfrom 8:30 A.M. to 9:00 P.M. daily, Hours for supple-mentary registration desks in other hotels are: CongressHotel, Monday and Tuesday, December 29 and 30, 8:30A.M. to 5:00 P.M.; Palmer House, Monday and Tuesday,December 29 and 30,8:30 A.M. to 5:00 P.M.; ShermanHotel, Friday, December 26 through Wednesday, Decem-ber 31, 8:30 A.M. to 9:00 P.M.The registration fee is $2.00 for members and college

students and $3.00 for nonmembers. Upon payment ofthe correct registration fees, members and guests willreceive copies of the General Program and ConventionBadges. Display of the AAAS Convention Badge is re-quired for admission to the scientific sessions of nearly allsections and societies.Advance registrants who have received their programs

and badges prior to the meeting are asked to call at theAAAS Information Desk in the main registration area,in the Stevens Hotel, where maps and special literaturemay be obtained which will guide the visitor aboutChicago. Other desks for the sale of meal tickets forbreakfasts, luncheons, and dinners sponsored by theaffiliated societies will be found in the main registrationarea, as well as booths for the distribution of tickets toentertainment features. Persons who did not receive defi-nite hotel reservations at the time of advanced registra-tion should, on their arrival, notify the attendant atthe Information Booth in the Stevens Hotel of theirlocal addresses for posting in the Visible Directory.

The Visible Directory will be located in the StevensHotel, basement elevator lobby, adjacent to the registra-tion desks, and will be open for inspection 24 hours aday. The Registration Cards of all who register will bein the Visible Directory.Mail and telegrams addressed in care of the AAAS will

be delivered by the Post Office and wire services to theAAAS Information Desk in the Stevens Hotel. Whileevery effort will be made to notify addressees who arelisted in the Visible Directory, the Association assumes noresponsibility for the delivery of mail and telegrams.Items not called for will be returned to the sender at theclose of the meeting, December 31. Telephone andpersonal messages will be filed alphabetically at theAAAS Information Desk, which may be reached bytelephone through the Stevens Hotel.

Transportation facilities are abundant in Chicago-

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streetcar, bus, subway, elevated, and taxi. Economicaltravel in the "Loop Area," in which most of the meetingswill be held, may be made for 10M car fare. Maps of the"Loop Area" will be available for ready orientation (seeGeneral Program). Members of societies meeting on thecampus of The University of Chicago may travel from the"Loop" to the 59th Street Station on the Illinois CentralRailway at a fare of 11 one way, 200 round trip.

Press Service. All persons who will deliver addresses orpresent papers at the Chicago meeting are requested toprovide the Press Service with copies of abstracts oftheir papers as far as possible in advance of the meeting.Complete manuscripts are required of papers presentedby officers of the Association and by officers and invitedspeakers appearing on the programs of the affiliated andassociated societies. All abstracts and manuscripts avail-able in advance of the meeting should be sent to theAAAS Press Director, Dr. Sidney Negus, Medical Collegeof Virginia, Richmond, preferably before mid-December,so that copies may be mailed to the science writersin time for them to examine and interpret the subjectmatter and to seek authoritative advice if necessary.The Press Room at the Chicago meeting will be in the

Sherman Hotel, Parlors L, M, and 0, and will be equippedwith duplicating machines to reproduce copies of papersdelivered to the Press Director during the meeting, aswell as with tables, bulletin boards, telephone outlets,reference texts, etc., to facilitate the work of the sciencewriters. A pneumatic tube system for handling wireservice is installed in the Sherman Hotel.

AAAS Business SessionsThe Executive Committee of the Association's Council

will hold its first session in the Administrative Secretary'ssuite at the Sherman Hotel at 10:00 A.M. on Saturday,December 27.

The Council of the Association will meet on Sunday,December 28, at 3:00 P.M., in the Club Room of theSherman Hotel. A second session of the Council will beheld in the Club Room at 9:00 A.M. on Tuesday, Decem-ber 30.The Academy Conference will be held in Room 110,

Sherman Hotel, at 4:00 P.M. on Saturday, December 27.Conferees will discuss the development of scientific per-sonnel for industry and educational institutions, fullsubsistence science scholarships, the influence of acade-mies on better science teaching, and the obligation of theState Academy to the Junior Academy. At 6:00 P.M.the group will attend the Academy Conference Dinnersponsored by the AAAS.

AAAS Prize AwardsThe Annual One Thousand Dollar Prize, established in

1923, will be awarded to the author of a notable con-tribution to science presented on a regular program of theChicago meeting. The Prize will be awarded upon the

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recommendation of the Prize Committee; FernandusPayne (zoology), Indiana University, chairman; MalcolmDole (chemistry), Northwestern University; A. J.Dempster (physics), The University of Chicago; andWilliam R. Taylor (botany), University of Michigan.It is not necessary that the prizewinner be a member ofthe Association. All papers appearing in the GeneralProgram, except presidential and vice-presidentialaddresses and invited papers, are eligible for the Prize.

The AAAS-George Westinghouse Science WritingAwards will be presented at a ceremony to be held in theWest Ballroom of the Stevens Hotel at 6:15 P.M. onSaturday, December 27. Awards of $1,000 each will bemade to two writers, one for superior science reportingin newspapers, the other for an article on science publishedin a magazine. The judges of the awards are: H. L.Mencken, of the Baltimore Sun papers; Benjamin M.McKelway, editor, Washington Star; Edward Weeks,editor, Atlantic Monthly; Clifton Fadiman, literarycritic; Rudolf Flesch, author of The art of plain talk;Kenneth Olson, dean, Northwestern University Schoolof Journalism; Edward Weidlein, director, MellonInstitute; Detlev W. Bronk, chairman, National Re-search Council; and Morris Meister, principal, BronxHigh School of Science, chairman of the Committee ofJudges.

The First International Salon, "Photography in Science,"sponsored by The Scientific Monthly and the SmithsonianInstitution, is under way. For judging on October 27,competitors from 38 states and 3 foreign countries sub-mitted 361 prints, 243 in the black-and-white divisionand 118 in the color division. Most of the prints were ondisplay during November in the Arts and IndustriesBuilding of the Smithsonian Institution of Washington.During the Chicago meeting they will be shown at theInternational Science Exhibition in the Stevens Hotel.Later they may be seen at the Buhl Planetarium,Pittsburgh, and at the Cranbrook Institute of Science,Bloomfield Hills, Michigan. In the color division firstplace was awarded to Thomas C. Poulter, Armour Re-search Foundation; in the black-and-white division firstplace went to Edwin R. Willis, The Ohio StateUniversity.

AAAS Special SessionsAt each of its annual meetings the Association sched-

ules a number of special sessions for the presentation ofbroad surveys of important fields of science. On Saturdaymorning, December 27, the Office of Naval Research(ONR) will present a report to scientists on research andNavy policy, Admiral Paul F. Lee, Chief, ONR, presid-ing. The ONR-University sciences programs will bereviewed, followed by a discussion led by Karl T.Compton, president of M.I.T.On Saturday afternoon, December 27, the annual

National Geographic-AAAS illustrated popular lecture

SCIENCE, December 12, 1947

will feature Harold F. Weaver in a report of the BrazilianEclipse Expedition. Colored motion pictures will showthe total eclipse of the sun and the preparations made bythe Expedition to observe it in Brazil.James B. Conant, president of Harvard University,

will deliver his address as retiring president of theAssociation, on Saturday evening, December 27. Thesubject of Dr. Conant's address will be, "The Role ofScience in Our Unique Society." Members of the Exec-utive Committee of the Association and eminentscientists and citizens of Chicago have been invited bythe Local Committees to be present on the Speaker'sPlatform. Following the address, the officers of theAssociation and the Chicago hosts for the occasion willreceive members and guests at a general reception to beheld in the Louis XVI Room of the Sherman Hotel. Allmembers and guests of the Association are cordiallyinvited to attend the Presidential Address and theReception which will follow it.On Sunday evening, December 28, the AAAS Coopera-

tive Committee on Science Teaching will present a forumon "The Effectiveness of Science Teaching." The forum isbased on a report by the Committee to the President'sScientific Research Board. Topics to be discussed will bethe shortage of scientific personnel, particularly ofscience teachers, and methods for making up the defi-ciencies. Karl Lark-Horovitz, General Secretary of theAssociation and chairman of the Cooperative Committee,will preside. The panel of participants includes PhilipPowers, R. W. Lefler, Morris Meister, Raleigh Schorling,Glen Blaydes, and L. V. Domm.A full day's symposium on "Science in National

Affairs" has been arranged for Monday, December 29.At the morning session, which will be devoted to "AtomicEnergy Developments," W. Zinn will discuss "Develop-ments of Atomic Energy at the Argonne NationalLaboratory"; L. J. Haworth will report on "The Brook-haven Laboratory and Plans for Fundamental Researchin the Atomic Energy Commission"; Paul Aebersold willdiscuss "Radioactive Isotopes and Their Application toPeacetime Use of Atomic Energy"; and Philip Morrisonwill give an "Appraisal of Atomic Energy Progress."The Monday afternoon session has been built around

the President's Scientific Research Board Reports. E. U.Condon, National Bureau of Standards, will interpretthe reports in relation to the "Federal Research Programin the Civilian Agencies." L. R. Hafstad will reportsimilarly on the "Federal Research Program in theArmed Services." W. W. Lambert and D. W. Bronk willdescribe, respectively, "The Administration of FederalResearch" and "The National Medical Research Pro-gram."

National Welfare and Science will be the theme of theevening session on "Science in National Affairs." J.Donald Kingsley, will speak on "Scientists and FederalResearch," followed by W. W. Waymack, member of the

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U. S. Atomic Energy Commission, whose subject will be"Scientists and the Atomic Energy Program."On Tuesday morning, December 30, a symposium on

"Insuring Adequate Scientific Personnel Resources" willbe presented under the auspices of the National SecurityResources Board, Executive Office of the President. Theschedule of titles includes "Forecasts of Probable Supplyand Demand," by Ewan Clague, Bureau of LaborStatistics; "Programs for Full Utilization of PresentResources," by A. H. Hausrath, Office of Naval Re-search; "Promising Innovations in University Programsto Meet Current Demands," by A. B. Bonds, Jr., Presi-dent's Commission on Higher Education; and "NeededAdjustments in University Plans and Programs to MeetLong Range Needs," by Arthur Adams, Provost,Cornell University.On Tuesday evening, December 30, the AAAS-Sigma

Xi lecture will be presented by Glenn T. Seaborg in theGrand Ballroom of the Sherman Hotel. Dr. Seaborgwill address the meeting on "The Eight New SyntheticElements."

Programs of the AAAS Sectionsand the Societies

Section A (Matheematics) and the Institute of Mathe-matical Statistics will meet jointly in sessions for con-

tributed papers on Monday and Tuesday, December 29and 30. R. E. Langer, retiring vice-president of theSection, will present an address on "The Solution ofDifferential Equations in the Presence of Turning Points"at the Monday afternoon session.

Section B (Physics) will present two symposia joinftlwith the Amterican Physical Society on Monday andTuesday, December 29 and 30: "High Altitude Researchby Rockets" and "The Physics of Polymers of Biologi-cal Interest." On Tuesday afternoon, L. A. I)uBridge,retiring vice-president of the AAAS and chairman ofSection B, will speak on "The Physics of Radar." Inaddition to contributed papers, the program of theAmerican Physical Society includes invited papers of theDivision of High-Polymer Physics. Among titles selectedat random from the program of the APS are: "BetaSpectra of Cu(64) as a Test of the Fermi Theory,""Introduction of Two Neutrons Into Atomic NucleiUnder H(3) Bombardment," "AdIsorptioni Analysis ofHigh-Molecular Substances," "Radioactive Selenium 73and 75," "The Effects of Pile Bombardment on Uncured

Elastomers," "Mesotrons in the Stratosphere," "TheMagnetic Susceptibility of Uranium Oxalate," "Dyniamic

Mechanical Properties of Rubber-like Materials," "Low-Temperature Transformations in Lithium and Some ofIts Alloys," "Theoretical Analysis of the Effect of Im-perfections in Diffraction-Gratings," and "Abs )rptioll ofMicrowaves by Hydrogen. Atoms." The Americanl

Physical Society will also participate jointly wvith theAmerican Association of Physics Teachers in the pres-

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entation of a symposium on "Microwaves and TheirUses." All meetings of the physical science societies willbe held at The University of Chicago.

The A1nmericant Association of Physics Teachers and theAmerican Physical Society will also meet jointly for adinner session at the International House, The Universityof Chicago, 7:00 P.M., Tuesday, December 30. Paul E.Klopsteg will present the evening address, "Bows andArrows." The general business session of the Society willbe held in Kent Theater on Tuesday morning, December30. At this session Marsh M. White will discuss "TheUtilization of Physicists by the Army of World War II;"In addition to a program of contributed papers to bepresented on Monday afternoon and the joint session withthe American Physical Society, the American Associationof Physics Teachers will meet jointly with the AAASSection on Physics at the Oriental Institute, Tuesdayafternoon, December 30.

The American Meteorological Society plans to meet onMonday morning and afternoon and Tuesday morning,December 29 and 30. In addition to contributed papers,the Monday afternoon session will be a symposium on"Experimental Meteorology and Instrumentation." Allmeetings will be held in Room 122, Social Science Re-search Building, 59th Street near University Avenue,The University of Chicago.

Sigmita Pi Sigmna, will hold its annual luncheon in con-junction with the meeting of the American PhysicalSociety at 12:30 P.M., Tuesday, December 30, in theQuadrangle Club of The University of Chicago. Advancereservations may be made by writing to Al. W. White,Executive Secretary of the Sigma Pi Sigma, PhysicsDepartment, Pennsylvania State College, State College,Pennsylvania. During the meetings tickets may beobtained at the registration desk in the Palmer HouseHotel until 10:00 A.M., Tuesday morning.

Section C (Chemnistry) will meet jointly with the Ameri-can Chemical Society, Chicago Section, on Friday,December 26. Special symposia sponsored by the Sec-tion will be held on Friday afternoon, and Saturday andSunday mornings and afternoons. These include "In-dustrial Processes," "Mechanisms of Hydrocarbon Re-actions," and "Photosynthesis." The symposium on"Photosynthesis" is divided into three subheadings:'Mechanisms in Photosynthesis," "Isotopic Tracers inPhotosynthesis," and "Quantum Efficiencies in Photo-synthesis." Titles of the program of Section C selected atrandom include: "Attempts to Synthesize Large Con-jugated Ring Systems," "Some Recent Developments inAntibiotics," "Free Radical Additions to UnsaturatedCompounds," "The Mechanism of Isomerization ofSaturated Hydrocarbons," "The Addition of AromaticCompounds to the Carbon-Carbon Double Bond,""Chlorophyll Studies," "Chlorophyll Formation and Re-lated Processes," "Theories of Photosynthesis," "Problemsin Photosynthesis." The Section will hold a luncheon

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each day of the meeting period and jointly with theAmerican Chemical Society, Chicago Section, on Friday.

The American Chemical Society, Chicago Section, willhold its annual meeting jointly with the AAAS Section onChemistry (C) on Friday, December 26. Sessions will beheld on Agricultural and Food Chemistry, ChemicalEducation, Industrial and Engineering Chemistry,Organic Chemistry, Petroleum Chemistry, Radio-chemistry, Biological and Pharmaceutical Chemistry,Physical Chemistry, and Inorganic and AnalyticalChemistry. Titles from among these sessions include:"A New Method for Determining Storage Changes andQuality of Foods," "Science in Liberal Education,""Destructive Alkylation of Hydrocarbons," "Polymeriza-tion of Olefins in Cracked Gases," "A New RadioactiveSeries," "Progress in Histamine and AntihistamineResearch," "A New Method for the Titration of BasicGroups of Amino Acids and Proteins," and "StatisticalAnalysis of Physical Constant Data of Hydrocarbons."All meetings will be held in the Sherman Hotel.

Section D (Astronomy) will meet on Friday andSaturday, December 26 and 27, at the Sherman Hotel.The Friday afternoon session includes such titles as "Onthe Origin of Meteorites" and "A Theory of the Origin ofCosmic Rays." On Saturday morning G. Van Biesbroeckwill present an address as retiring vice-president of theAAAS and chairman of Section D, entitled "The EinsteinShift in the Sun's Gravitational Field." A symposium on"The Origin of the Earth" will be held on Saturdayafternoon, F. R. Moulton, presiding. The titles include"Facts of Geology and the Origin of the Earth," "Struc-ture of Earth's Interior and the Origin of the Earth,""Elements in Meteorites and the Earth's Origin,""Theories of the Origin of the Earth," and "A NewTheory of the Origin of the Earth." This symposium willbe held jointly with the AAAS Section on Geology andGeography.

Section E (Geology and Geography) will meet on Fridayand Saturday, December 26 and 27. The Friday sessionswill be devoted to a symposium on "Problems of Mis-sissippian Stratigraphy and Correlation," and the Satur-day sessions to "Methods of Ground-Water Investi-gation." A joint session will also be held on Saturdayafternoon with the Section on Astronomy (see above).On Friday afternoon John L. Rich will present an addressas retiring vice-president of the AAAS and chairman ofSection E, on "Goals and Trends in Geological andGeographical Research." Among the papers to bepresented at the sessions are "Status of MississippianStratigraphy in the Appalachian Region," "Problems ofMississippian Stratigraphy in Southwestern UnitedStates," "Paleontological Comparison of American andEuropean Mississippian Sections," "Ground-Water Ex-ploration by the Electrical Resistivity Method," and"The Use of Soil Maps in Ground-Water Investigationsin Indiana."

SCIENCE, December 12, 1947

Section F (Zoological Sciences) will hold no formalsessions of its own aside from a brief business meeting at12:00 noon, Tuesday, December 30, in the French Room,Blackstone Hotel, and the retiring address of the vice-president of the AAAS and chairman of Section F, FranzSchrader. Dr. Schrader will speak on "Three Quarter-Centuries of Cytology," following the Zoologists' DinnerTuesday evening.

The American Association of Economic Entomologistswill meet Saturday through Tuesday, December 27-30,at the Congress Hotel. The opening joint session with theEntomological Society of America on Saturday afternoonwill be on training teachers in entomology, methods ofteaching entomology, and the professional placement ofgraduate students in entomology. Running concurrentlywith this session will be the AAEE Section of Insecti-cides, including the chemistry, bioassay, formulation, andmanufacture of insecticides. On Saturday evening theSection of Extension will meet concurrently with asession on Insecticides and Equipment. On Sundaymorning Ernest N. Cory, president of the AAEE, willaddress a joint session with the Entomological Society ofAmerica on "Totalitarian Insects." Immediately follow-ing the address, a meeting will be held on "InsectsAffecting Livestock and Man." In the afternoon thismeeting will be continued concurrently with meetings ofthe Section of Plant Pest Control and Quarantine,Section of Apiculture, and a session on "Insects AffectingMiscellaneous Crops." The Entomologists' Banquet willbe held in the Casino Room of the Congress Hotel onSunday evening, December 28. On Monday morningStephen S. Easter, of the United Nations Food andAgriculture Organization, will present a general addresswhich will be followed by a symposium on "The Toxicityof Insecticides to Plants, and Animals Other Than Man."Three concurrent sessions will be held Monday afternoon:"Administrative Problems of Airplane Application ofInsecticides," "Insects Affecting Fruit Crops," and"Insects Affecting Cereal and Forage Crops." Alfred E.Emerson, of The University of Chicago, will address ajoint session with the Entomological Society of Americaon Monday evening, December 29. The title of Dr.Emerson's address is "The Zoogeography of the Ter-mite." The final sessions on Tuesday afternoon include asymposium on the "Effects of Insecticides on BiologicalControl" and contributed papers on "Insects AffectingTruck and Vegetable Crops."

The American Society of Parasitologists will hold its22nd annual meeting on Monday and Tuesday, De-cember 29 and 30, at the Congress Hotel. Monday'ssessions will be devoted to contributed papers. Theprincipal paper of the Tuesday morning session will be anaddress by Harley J. Van Cleave, president of the Ameri-can Society of Parasitologists. Dr. Van Cleave willspeak on "Expanding Horizons in the Recognition of aPhylum." The Parasitologists' Luncheon will be held at

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12:30 P.M. in the Stevens Building Restaurant, 17 N.State Street. The annual business session will be held inthe Francis I room of the Congress Hotel at 1:30 P.M.,followed by a demonstration program commencing at3:00 P.M. General papers on parasitology will formthe bulk of the morning's program on Wednesday, theconcluding session in the afternoon being a symposiumon "Exoerythrocytic Forms of Malarial Parasites."The American Society of Zoologists will meet Monday

through Wednesday, December 29-31, at the BlackstoneHotel. Concurrent sessions on Monday merning include"Cytology and Cellular Physiology," "Embryology,""Endocrinology," "General Physiology," and a jointsymposium with the American Society of Naturalists,et al., on the "Genetics of Microorganisms." The Mondayafternoon session will be held jointly with the GeneticsSociety of America for the presentation of a symposiumon "Plasmagenes, Genes, and Characters in Parameciumaurelia." Four concurrent sessions have been planned forTuesday morning: "Cytology," "Embryology," "Endo-crinology," and "General and Cellular Physiology." Theannual business meetings of Section F and the Society willbe held at 12:00 noon in the French Room of the Black-stone Hotel. A general demonstration program will beheld in Room 24, Hull Zoological Laboratory, The Uni-versity of Chicago, on Tuesday afternoon, and motionpictures will be shown in Room 14. At 3:00 P.M. themotion-picture program will be repeated in Room 106 ofthe Hull Botanical Laboratory. The Zoologists' Dinnerwill be held in the Crystal Ballroom of the BlackstoneHotel at 7:00 P.M. on Tuesday, December 30. FranzSchrader, chairman of Section F, AAAS, will speak on"Three Quarter-Centuries of Cytology." On Wednesdaymorning there will be concurrent sessions on "CellularPhysiology and Protozoology," "Embryology and Gen-eral Morphology," "Evolution and Ecology," and "Gen-eral Physiology." The closing session on Wednesdayafternoon will be a joint symposium with the GeneticsSociety of America on "Methods for the Genetic Im-provement of Farm Animals."

The Entomological Society of America will hold its 42ndannual meeting from Saturday through Monday, De-cember 27-29, at the Congress Hotel. In addition to thejoint sessions enumerated under the American Associa-tion of Economic Entomologists, there will be an Execu-tive Committee meeting on Saturday evening, sessions ofcontributed papers Sunday morning and afternoon, asession on "Taxonomy and Physiology" Monday after-noon, a joint session with the Ecological Society ofAmerica on Tuesday morning, and a Business Session onTuesday afternoon. The annual Entomologists' Banquetwill be in the Casino Room, Congress Hotel, Sundayevening, December 28.

The Herpetologists League will hold one joint sessionwith the Ecological Society of America on Monday at2:00 P.M. in the Casino Foyer of the Congress Hotel.

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The Society of Systematic Zoologists has scheduled apreliminary meeting in ParlorD of the Congress Hotel onMonday morning, December 29, to consider the organi-zation of a society of animal taxonomists. All individualsinterested in the proposed society are cordially invited toattend. On Monday afternoon Dr. Francis Hemming,secretary of the International Commission on ZoologicalNomenclature, will address a meeting to be held at 3:30in the Upper Tower Room of the Stevens Hotel. Dr.Hemming's visit to this country is under the auspices ofthe Smithsonian Institution, Washington, D. C.The American Microscopical Society will hold a lunch-

eon for its Executive Committee at 1:00 P.M. on Mon-day, December 29, in the Pompeian Room of theCongress Hotel. On Wednesday at 4:00 P.M. the 64thannual meeting will be held in the Casino Foyer of theCongress Hotel.The American Society of Naturalists will meet on

Monday, December 29, and Wednesday, December 31,in the Congress Hotel. The program of the 63rd annualmeeting includes a symposium on "The Genetics ofMicroorganisms," to be held on Monday morning in theStevens Hotel, H. A. Rodenhiser presiding. The papersinclude "Mutations in Viruses," by W. M. Stanley andC. A. Knight; "Bacteriophage Mutations and Interac-tions Between Bacteriophage Particles Inside the HostCell," by S. E. Luria; "Spontaneous and Induced Muta-tions in Bacteria," by M. Demerec; "ChromosomeBehavior in Neurospora During Ascosporogenesis," byB. McClintock and J. R. Singleton; "Genetics of theSmut and Rust Fungi," by E. C. Stakman; and "In-heritance of Pathogenicity in Venturia inaequalis," byG. W. Keitt. Participating in this session are the Ameri-can Phytopathological Society, American Society ofZoologists, Botanical Society of America, EcologicalSociety of America, National Research Council Com-mittee on the Genetics of Microorganisms, and Societyfor the Study of Evolution.The Biologists' Smoker, sponsored by the American

Society of Naturalists, will be held in the Chicago Natu-ral History Museum, Monday, December 29, at 9:00P.M. All biologists are cordially invited to attend. Re-freshments will be available. Since city bus service to theMuseum is suspended at 6:30 o'clock daily, special bustransportation will be provided for the smoker. At 10-minute intervals between the hours of 9:00 P.M. and12:00 P.M. buses will leave for the Chicago NaturalHistory Museum (Field Museum) from in front of theStevens Hotel, and also for return from the Museum tothe Stevens Hotel. Bus tickets may be purchased at theticket booth located in the registration area of theStevens Hotel. On Wednesday morning the Naturalistswill meet jointly with the Ecological Society of Americaand the Society for the Study of Evolution, for a round-table discussion on "Bird and Mammal PopulationMechanisms." The Florentine Ballroom, Congress Hotel,

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will be the site of the Naturalists' Dinner on Wednesdayat 6:00 P.M.

Beta Beta Beta Biological Fraternity will hold a luncheonsession in the North Pompeian Room, Congress Hotel, at1:00 P. M. on Monday, December 29.The Biometric Society (Eastern North American

Region) will meet jointly with the Biometrics Section ofthe American Statistical Association on Friday and Sat-urday, December 26 and 27, at the Stevens Hotel.

The Biometrics Section of the Anerican StatisticalAssociation will present a joint symposium with the Bio-metric Society on "Mathematical Biology." Representa-tive papers include "Recent Advances in MathematicalBiophysics," "Mathematics in Radiobiology," "Mathe-matical Theory of Perception," "The Kinetics of BloodCoagulation," and "The Physical Aspect of OrganicEvolution."

The Ecological Society of Amnerica will hold its 32ndannual meeting from Monday to Wednesday, December29-31, at the Congress Hotel. Three concurrent sessionson Monday morning will include "Plant Ecology,""Animal Ecology," and a joint symposium with theAmerican Society of Naturalists, et al., on "The Geneticsof Microorganisms." The Monday afternoon programincludes joint sessions with the Herpetologists League,the Botanical Society of America, and the Committee forthe Study of Animal Societies. Tuesday morning's con-current sessions include "Plant Ecology" and a jointmeeting with the Entomological Society of America; theafternoon sessions include a joint meeting with the So-ciety for the Study of Evolution, "Applied Ecology," andthe annual business meeting of the Society at 4:00 P.AM.in the English-WValnut Room of the Congress Hotel. Thedinner of the Ecological Society of America will be held inthe Florentine Ballroom of the Congress Hotel on Tues-day at 7:30 P.M. The Wednesday morning sessions in-clude joint sessions with the American Society of Natu-ralists and Society for the Study of Evolution ("Bird andMammal Population Mechanisms"), the LimnologicalSociety of America (symposium on "Bottom Sediments"),and the Natural Resources Council of America (sym-posium on "Conservation and a Stable Society"). Thefinal concurrent sessions on Wednesday afternoon include"Animal Ecology," symposium on "The Biota of Mexicoand Guatemala," the business meeting of the GrasslandResearch Foundation, and the business meeting of theEcologists' Union.

The Genetics Society of America will meet Mondaythrough Wednesday, December 29-31, at the StevensHotel. The opening session on Monday morning will be a

joint symposium with the American Society of Natu-ralists, et al., on the "Genetics of Microorganisms." Ajoint symposium with the American Society of Zoologistswill be held in the afternoon on "The Plasmagenes, Genes,and Characters in Paramecium aurelia." On Tuesday theSociety will meet on the campus of The University of

SCIENCE, December 12, 1947

Chicago for sessions of short papers in Mandel Hall,morning and afternoon, and a demonstration program inRoom 13 of the Zoology Building. Concurrently with themorning sessions at the University, the Genetics Societyis sponsoring a joint symposium on "Natural Hybridiza-tion" with the Society for the Study of Evolution, in theCongress Hotel. The annual luncheon and business meet-ing will be held in Hutchinson Commons, The Universityof Chicago, at 12:00 noon, Tuesday. Sessions on the lastday of the three-day meeting period will be held in theStevens Hotel. The morning session will consist of shortpapers and the afternoon session will be a symposium on"Methods for the Genetic Improvement of Farm Ani-mals," held jointly with the American Society ofZoologists.

The Limnological Society of America will meet Mondaythrough Wednesday, December 29-31. Monday's sessionsof contributed papers will be held at the Chicago NaturalHistory Museum. On Tuesday the Society will meetjointly with the AAAS Section on Engineering for thepresentation of a symposium on "Limnological Aspects ofWater Supply and Waste Disposal," at the Stevens Hotel.The sessions on Wednesday will be held in the WestBallroom of the Stevens Hotel, the morning programbeing a symposium on "Bott6m Sediments," held jointlywith the Ecological Society of America, and the afternoonbeing devoted to general papers.

The National Association of Biology Teachers will meetSunday through Tuesday, December 28-30, at the Sher-man Hotel. From 9:00 A.M. to 3:00 P.M., Sunday, theAssociation will participate with the American NatureStudy Society in a joint field trip to Dune State Park.The two societies will reconvene Monday afternoon in theSherman Hotel for a panel discussion on "What Is Re-source-Use Education and How Does It Fit Into OurSchool Program?" On Tuesday a joint symposium on"Teaching Behavior in High School Biology" with theAmerican Nature Study Society will be held in the morn-ing and afternoon, followed by the Biology Teachers'Dinner in the evening. Dr. A. L. Windsor will addressthe dinner session on "The Selection and Maintenance ofScience Teachers."The National Research Council Committee on the Genetics

of Microorgantismts is sponsoring with the AmericanSociety of Naturalists, et al., a symposium on "TheGenetics of Microorganisms," Monday morning, De-cember 29, in the Stevens Hotel. Members of the Com-mittee include H. A. Rodenhiser, chairman, M. Demerec,H. H. McKinney, A. J. Riker, E. C. Stakman, and W. H.Taliaferro.

The Society for the Study of Evolution will meet Mondaythrough Wednesday, December 29-31, at the CongressHotel. In addition to papers on zoology Monday after-noon and on botany Wednesday afternoon, the Societywill jointly sponsor 5 symposia: "Genetics of Micro-organisms," Monday morning; "Natural Hybridization"

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and "Evolution and Classification of Angiosperms,"Tuesday morning; "Evolution and Classification ofGymnosperms," Tuesday afternoon; and "Bird andMammal Population Mechanisms," Wednesday morning.J. T. Patterson, L. R. Dice, H. N. Andrews, ThomasPark, Aldo Leopold, and Howard K. Gloyd will serve aspresiding officers.

The American Society of Professional Biologists willmeet on Sunday afternoon in Private Dining Room 4,Stevens Hotel, to discuss objectives and future plans ofthe Society. All biologists are cordially invited to attend.

Section G (Botanical Sciences) will hold a joint sessionwith all plant science societies on Saturday afternoon,December 27, in the North Ballroom, Stevens Hotel.Walter F. Loehwing, as chairman of the Section onBotany, will present the AAAS vice-presidential address,entitled "The Developmental Physiology of Seed Plants."Also scheduled on the afternoon program are: "Correla-tions Between Growth, Metabolism, and Salt Accumula-tion," by F. C. Steward; "Nutrient Requirements ofFungi," by W. J. Robbins; and "Correlation at theCommunity Level," by Paul B. Sears.The American Fern Society, in addition to participating

in the joint session with Section G, will hold a singlesession on Saturday morning, December 27, in Room 20,Stevens Hotel. R. M. Tryon, Jr., will present a paper on"Ferns of the Sleeping Giant, Thunder Bay, Ontario,"followed by a round-table discussion on "Recent Dis-coveries; Range Extensions," with a display of fernspecimens.

The American Phytopathological Society will meetSaturday through Tuesday, December 27-30, at theStevens Hotel. Business meetings will be held on Satur-day. The general sessions will commence Sunday after-noon with concurrent programs on "Diseases of Corn andSmall Grains," and "Diseases of Fruits and Ornamen-tals." The Monday morning meetings include a "Fungi-cide Colloquium" and contributed papers on "Diseases ofField Crops" and "Virus Diseases." The phytopatholo-gists are also cosponsoring a meeting with the AmericanSociety of Naturalists, et al., on Monday morning on the"Genetics of Microorganisms." The afternoon sessionsare on "Breeding and Disease Resistance," "MarketDiseases of Fruits and Vegetables," "Extension WorkersConference,'" and "Plant Disease Survey Conference."The Chicago Bar Association will be the site of the Phyto-pathologists' Dinner, Monday evening. Two concurrentsessions will be held on Tuesday morning, "Antibioticsand Bacterial Diseases" and a joint meeting with thePotato Association of America. "Virus Diseases ofVegetables" and "Vegetable Diseases" will constitutethe afternoon programs. The concluding sessions onTuesday evening will include miscellaneous papers and around-table discussion of National Security.The American Society of Plant Physiologists will meet

Saturday through Tuesday, December 27-30, at the

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Stevens Hotel. All sessions will be joint with the Physio-logical Section of the Botanical Society of America.Representative papers include "Uraform, PhosphateRock, and Expanded Vermiculite as Nutrient Sources inSoilless Culture Experiments," "Preliminary Studies onthe Mechanism of 2,4-Dichlorophenoxyacetic Acid inHigher Plants," "The Healing Action of Extracts ofAloe vera Leaf on Abrasions of the Human Skin," "Spec-tral Properties of Protochlorophyll Isolated by Absorp-tion," "Phytotoxic Reactions of Blood Sera as an Aid toMedical Diagnosis and Therapy," "Photoperiodic Re-sponses in Corn," and "Some Common Alcohols asCarbon Sources for Plant Tissue Cultures." Specialsymposia include a Sunday afternoon session on "Radio-active Isotopes in Plant Physiological Research," and aMonday afternoon session on "Dormancy." The PlantPhysiologists' Dinner will be held on Saturday eveningin the Casino Room of the Congress Hotel. Following theCharles Reid Barnes Life Membership Award, Burton E.Livingston will present the Stephen Hales Lecture, andB. M. Duggar will speak on "Physiology and PrevailingInfluences."The American Society of Plant Taxonomists will meet

jointly with the Systematic Section of the BotanicalSociety of America from Saturday through Tuesday,December 27-30. The Plant Taxonomists'Dinnerwillbeheld in the South Ballroom of the Stevens Hotel on Mon-day evening, December 29.

The Botanical Society of America will hold its 42ndannual meeting Saturday through Tuesday, December27-30, at the Stevens Hotel. In addition to a businessmeeting and meeting of the Gener al Section on Saturdaymorning, three sessions will be held by other sections.The Microbiological Section will hold a symposium on"Nutrition and Metabolism of Microorganisms," thePhysiological Section will meet jointly with the AmericanSociety of Plant Physiologists, and the Systematic Sectionwith the American Society of Plant Taxonomists. OnSaturday afternoon all the plant science societies willmeet with the AAAS Section on Botany, W. G. Loehwingpresiding. The Botanical Teaching Section will meet Sun-day morning and afternoon, the latter session being. asymposium on "General Botany Texts." Tickets to theBotanists' Dinner, to be held Sunday evening on the 8thfloor of the Stevens Building Restaurant, 17 North StateStreet, may be purchased at the Ticket Booth in the AAASRegistration Area, Stevens Hotel. On Monday morningconcurrent sessions will be held by the General Section,Microbiology Section (jointly with other biological so-cieties for a symposium on the "Genetics of Micro-organisms"), Physiological Section, PaleobotanicalSection, and Systematic Section (jointly with the Ameri-can Society of Plant Taxonomists for a symposium on"Biological Nomenclature"). With the exception of thePaleobotanists, these same sections will meet in theafternoon: Microbiological Section jointly with the

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Mycological Society of America; Physiological Sectionjointly with the American Society of Plant Physiologistsand the American Society for Horticultural Science(symposium on "Dormancy"); Systematic Section jointlywith the American Society of Plant Taxonomists. TheMicrobiological, Physiological, and General Sections willreconvene Tuesday morning and afternoon. The Paleo-botanical Section will meet jointly in the morning andafternoon with the Society for the Study of Evolution forthe presentation of symposia on "The Evolution andClassification of Angiosperms and Gymnosperms." Thefinal meeting of the Systematic Section will be heldTuesday morning.

The Aycological Society of America will meet Saturdaythrough Tuesday, December 27-30, at the Stevens Hotel.With the the exception of sessions of contributed paperson Saturday morning and Tuesday morning, all meetingsof the mycologists will be joint with the MicrobiologicalSection of the Botanical Society of America.The Phycological Society of the Americas, in addition

to a business meeting on Sunday morning, will hold ameeting of general papers in the Stevens Hotel onWednesday morning, December 31. Among the papersare: "Marine Algae of the Marshall Islands," "The CaseAgainst a Separate Division or Phylum for theCharaceae," and "A Review of Phycological Investiga-tions in Southeastern United States."The Sullivant Moss Society plans a breakfast in the

Standard Restaurant, Standard Oil Building, 910 S.Michigan Avenue, Monday morning, December 29. At9:00 A.M. the group will convene in the Stevens Hotelfor a business session followed by a program of shortpapers. The afternoon session will be devoted to a sym-posium on "Generic Concepts of the Bryophyta."

Section II (Anthropology) will meet on Friday andSaturday, December 26-27, at the Sherman Hotel.Papers on General Anthropology will be presented Fridayafternoon. In the evening Wilson D. Wallis will presenta dinner address as vice-president of the AAAS andchairman of the Section on Anthropology. His address,"Presuppositions in Anthropological Interpretations,"will be followed by a motion picture. On Saturday themorning session will be on "Linguistics and Culture" andthe afternoon program a joint session with the Society forResearch in Child Development on "The Socialization ofthe Child." Representative papers include "Some Cali-fornia Traits and Their Eastern Parallels," "Are BasicNeeds Ultimate?," "Linguistic Descriptions as AxiomaticSystems," and "Sociological Aspects of Some Featuresof English Pronunciation."

Section I (Psychology) will join with the Sections on

Zoological Sciences, Social and EIconomic Sciences,History and Philosophy of Science, and the AmericanPhilosophical Association in the presentation of a sym-posium on "Problems of Concept Formation in Psy-chology," Saturday afternoon, December 27. The

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NIMonday morning session will be on "PhysiologicalPsychology," and the afternoon session on "Learning.""Personnel and Educational Psychology" will be thesubject of the Tuesday morning session. Selected papersinclude "On the Control of Blood Pressure in Man,"'The Effects of Different Types of Preliminary Activitieson Subsequent Learning of Paired-Associate Material,""Criteria of Learning in Educational Research" (addressof AAAS vice-president and chairman of the Section onEducation, WV. A. Brownell), "The Work of Our Hands"(address of AAAS vice-president and chairman of theSection on Psychology, Edna Heidbreder), "The NewArmy Rating System-Its Development and Valida-tion," and "American Intelligence."

The Society for Research in Child Development will meeton Saturday, December 27, at the Palmer House. Themorning session is on "Projective Techniques in theStudy of Children" and "Biological Factors in Per-sonality Formation." "Socialization of the Child" will bediscussed in the afternoon. Titles selected at randominclude "Children's Personality and Their Painting,""Doll Play," "Biology and Personality in Young Chil-dren," "Socialization and the Parent-Child Relation-ships," and "The Fate of Basic Drives in VariousCultures."

Section K (Social and Economtic Sciences) will meetSaturday through Wednesday, December 27-31, at theSherman Hotel. The opening session on Saturday morn-ing will be a symposium on "War and Postwar Popula-tion and Labor Force Developments." In the afternoonthere will be a joint symposium with the Section on theHistory and Philosophy of Science on "Are Human SocialProblems in a Different Category from the Integrationsof Biology?" Section K will join with the AmericanEconomic Association for a dinner session on Sundayexvening. A joint symposium with the National Associa-tion of Science Writers on "The Problem of MakingScientific Findings Comprehensible to the Public" willbe held on Monday afternoon. On Tuesday afternoon"Production Functions and the Theory of the Firm" willbe discussed jointly with the Econometric Society inRoom 507, Wieboldt Hall, on the Chicago Campus ofNorthwestern University. The closing session on Wednes-day morning will be a symposium on "Some Determi-nants of National Productivity," held jointly with theAmerican Economic Association, Academy of WorldEconomics, and the AAAS Section on Engineering.Among the papers are "Labor Force Developments,""The Responsibility of the Science Writer," "FactorsAffecting International Differences in Production,"and "Relation of Energy Output to Production in theUnited States."

TleAlcademy of World Economnics will participate in ajoint symposium with other social science societies on"Some Determinants of National Productivity," Wednes-day morning, Deccmber 31.

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The Econometric Society will meet Saturday, Monday,and Tuesday, December 27, 29, and 30. In addition tocontributed papers, the Society has organized severalsymposia: "Relationships Derived From AggregateData," Saturday afternoon; "Savings Investment andWage Rates," Monday afternoon; "Inventories in theBusiness Cycle," Tuesday morning; and "ProductionFunctions and the Theory of the Firm," Tuesdayafternoon.Pi Gamma Mu, National Social Science Honar Society

will hold a luncheon in honor of the officers and speakersappearing on the program of the AAAS Section on Socialand Economic Sciences, Saturday noon, in Rooms 109and 110, Sherman Hotel.

Section L (History and Philosophy of Science) will meetSaturday and Sunday, December 27 and 28, at theSherman Hotel. Each session will be a symposium heldjointly with the American Philosophical Association.On Saturday the morning session will be on "Founda-tions of Modern Physics," followed in the afternoon by asession on "Problems of Concept Formation in Psy-chology," held jointly with the AAAS Sections onZoological Sciences, Psychology, and Social and Eco-nomic Sciences. The concluding session on Sunday after-noon, to be held jointly with the AAAS Section on Socialand Economic Sciences, will be on "Are Human SocialProblems in a Different Category From Integrations ofBiology?" Representative papers include "The Forma-tion of Concept in Personality and Dynamic Psy-chology," "The Problem of Anxiety: Some ConceptualDifficulties," "The Place of Logic in the Advance ofScience," "Cosmology and Logic," "Principles of Im-potence in Modern Physics," "Biological Principles inSociology," "Human Social Problems as a Type ofDisintegration in a Biological Integration," and "TheRelation Between Biological Cultural Factors in SocialProblems" (Section L vice-presidential address byF. S. C. Northrop).

The American Philosophical Association will hold all ofits sessions jointly with the AAAS Section on the Historyand Philosophy of Science.

The Philosophy of Science Association will meet on Sat-urday and Sunday, December 27 and 28, at the PalmerHouse, for the presentation of a syposium on "WhatDoes the Natural Scientist Need From the SocialScientist?"

Section M (Engineering) will meet Tuesday andWednesday, December 30-31, at the Stevens Hotel.The sessions on Tuesday will be devoted to a symposiumon "Limnological Aspects of Water Supply and WasteDisposal," held jointly with the Limnological Society ofAmerica. On Wednesday morning there will be a jointsymposium on "Some Determinants of National Pro-ductivity" with the American Economic Association,Academy of World Economics, and the Section on Socialand Economic Sciences. Representative papers include

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"Some Epidemiological and Biological Problems inWater-Borne Amoebiasis," "Biotic Responses toStreamPollution During Artificial Stream Reaeration," "Plank-ton as Related to Nuisance Conditions in Surface Water,""Prevention of Algal Nuisance by the Removal of Nitro-gen and Phosphorous From Sewage Plant Effluents,"and "The Algologist's Part in the Solution of City andIndustrial Water Supply Problems."

Section N, Medical Sciences (Subsection on Medicine)will meet Monday through Tuesday afternoon, December29-30, at the Sherman Hotel, for the presentation of asymposium on Antibiotics. The subdivisions of the sym-posium are "Production, Chemistry, and Lesser KnownSubstances," Monday morning; "Pharmacology andAction of Antibiotics," Monday afternoon; "Develop-ment of Resistance to Antibiotics," Tuesday morning;and "Clinical Applications," Tuesday afternoon. OnTuesday afternoon E. V. Cowdry, as vice-president ofthe AAAS and chairman of the Section on Medical Sci-ences, will deliver an address entitled "Symbiosis andAntibiosis."

Section N, Medical Sciences (Subsection on Dentistry)will hold a symposium on "Dental Caries" on Sunday,December 28, at the Sherman Hotel. The morning pro-gram will be on "Bacteriological and Biochemical As-pects," the afternoon program on "Nutrition and Sub-strata," and, following the Dentists' Dinner, papers willbe presented on "Prevention and Control, Public HealthAspects." Representative papers will include "Is Cariesof Enamel a Process of Decalcification Resulting FromBacterial Action?," "Nutritionist's View of the CariesProblem," "What Is the Relative Importance of thePolysaccharides, Disaccharides, and Monosaccharides inCaries Production?," and "Roles of Dental Clinics inCaries Control."

Section N, Medical Sciences (Subsection on Pharmacy)will hold an all-day session of general papers on Saturday,December 27, at the Sherman Hotel. Representativepapers include "Methods for the Evaluation of Com-pounds With Curare-like Action," "Antagonism ofHistamine and Epinephrine With Synthetic Chemicals,"and "Industrial Pharmacy: Opportunities and Training."The American Dietetic Association will meet on Monday

and Tuesday, December 29-30, at the Palmer House.General papers include "The Nitrogen Metabolism ofWomen," "Food and Its Emotional Significance," and"Problems of Feeding the School Age Child."

Section 0 (Agriculture) will hold a joint symposium on"Breeding and Improvement of Horticultural Crops"with the American Society for Horticultural Science onTuesday afternoon, December 30. W. A. Alderman, vice-president of the AAAS and chairman of the Section onAgriculture, will speak on "FruitBreeding:Past,Present,and Future." Other papers include "Genetics as a Toolof the Plant Breeder" and "Breeding of Orna-mental Plants."

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The American Societyfor Horticultural Science will holdits 44th annual meeting Monday through Wednesday,December 29-31. Concurrent sessions on Monday in-clude "Pomology-Nutrition," "Pomology-Breedingand Propagation," "Vegetables-Tomatoes," and "Flori-culture and Ornamental Horticulture-Herbicides,Growth Regulators, and Nutrition." A joint symposiumon Dormancy will be held on Monday afternoon with theAmerican Society of Plant Physiologists and the Physio-logical Section of the Botanical Society of America.Monday evening round-table sessions include "BreedingMethods for Horticultural Crops," "Mineral and Nitro-gen Deficiency Diagnosis," "Discussion on Education,"and "Discussion on Extension in Horticulture." Fourconcurrent sessions have been planned for Tuesdaymorning: "Pomology-Growth Regulators and ChemicalFlower Thinners," "Pomology-Small Fruits andGrapes," "Vegetables-Herbicides and Growth Regu-lators," and "Floriculture and Ornamental Horticulture-General." The Tuesday afternoon sessions include ajoint symposium with the AAAS Section on Agricultureon the "Breeding and Improvement of HorticultureCrops." Running concurrently will be sessions on "FruitPhysiology and Storage" and "Vegetables-General."At the annual banquet, on Tuesday evening in the RedLacquer Room of the Palmer House, H. B. Tukey willpresent the presidential address of the Society on "Horti-culture in Science and Society." The concluding sessionson Wednesday morning will cover "Pomology-General,""Vegetables-Breeding and Nutrition," "Vegetables-Potatoes and Sweet Potatoes," and "Floriculture andOrnamental Horticulture." A business meeting of theSociety will be held on Wednesday afternoon for reportsof committees and election of officers.The Potato Association of America will hold its 21st

annual meeting Sunday through Wednesday, December28-31, at the Palmer House. The opening session onSunday afternoon will be a round-table discussion on"Seed Certification." On Monday a session on generalpapers has been planned for the morning and a "Smokerand General Round-Table Discussion" scheduled for theevening in Private Dining Room 18 of the Palmer House.On Tuesday morning the society will meet jointly withthe American Phytopathological Society at the StevensHotel, followed by an afternoon session of general papersin the Palmer House. The concluding session on Wednes-day morning will be joint with the American Society forHorticultural Science. Representative papers include"Progress of Virus and Bacterial Disease Investigations,""Insect Investigations in 1947," "Chemical Control ofWeeds in Potatoes," and "Effects of Spraying a SproutInhibitor on Potato Plants in the Field."

Section Q (Education) will meet Monday and Tuesday,December 29-30, at the Sherman Hotel. A symposium onScience and Social Philosophy will be held on Mondaymorning, and in the evening the chairmen of the AAAS

SCIENCE, December 12, 1947

Sections on Psychology and Education will presentaddresses before a joint session with the Section on Psy-chology. W. A. Brownell will speak on "Criteria of Learn-ing in Educational Research," and Edna Heidbreder'saddress will be on "The Work of Our Hands." On Tues-day morning Guy T. Buswell will preside at a symposiumon "Group and Individual Research," followed by anafternoon session of general papers. The business meetingof the Section will be held immediately following the lastpaper of this session. Representative papers on the pro-gram of the Section on Education include "The ScientificPoint of View in Education," "The Social Responsi-bilities of Modern Science," "Education and the Sci-entific Outlook in Philosophy," "The Role of IndividualResearch in a World of Large-Scale Organization," and"International Comparisons in Child Development inSpelling."AAAS Cooperative Committee on Science Teaching will

meet Saturday through Tuesday, December 27-30, atthe Sherman Hotel. The opening session will be a businessmeeting on Saturday evening. Sunday evening the Com-mittee will hold a dinner session followed by a forum on"The Effectiveness of Science Teaching." The remainingsessions on Monday and Tuesday will be held jointlywith the National Science Teachers Association. Foradditional information, consult the AAAS SpecialSessions listed in the forepart of this Preview.

The National Science Teachers Association will meetFriday through Tuesday, December 26-30, at the Sher-man Hotel. The Junior Scientists' Assembly, a programof papers, talks, and discussions by members and recentmembers of Junior Academies of Science, Science Clubs ofAmerica, and School Science Clubs, will be held on Satur-day afternoon. On Sunday afternoon there will be asession on "The Relations of Science Teaching WithIndustry." Three concurrent sessions, joint with theAAAS Cooperative Committee on Science Teaching, havebeen scheduled for Monday morning. The program of theannual luncheon of the National Science TeachersAssociation, to be held on Monday at noon, will include atribute to the life and work of Otis W. Caldwell. Ticketsto the luncheon may be obtained at the registration deskin the Sherman Hotel. Meetings of the Board of Directorswill be held on Monday and Tuesday evenings. Rooms103 and 104 will serve as the convention headquarters forthe National Science Teachers Association throughoutthe meeting period.Pi Lambda Theta has arranged a Tour of Modern Art

and a Tea, for all scientists, at the Art Institute of Chi-cago on Sunday afternoon, December 28. The Tour of theBirch Bartlett Gallery of Modern Art will commence at2:30 P.M. Tea will be served from 3:30 to 5:00 P.M. Anominal admission fee of $1.00 will be charged. Ticketsmay be obtained at the ticket booth in the registrationarea in the Stevens Hotel.

The American Nature Study Society will meet Friday

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through Tuesday, December 27-30, at the ShermanHotel. In addition to sessions of general papers, theSociety will hold a panel discussion on "What Is Re-source-Use Education and How Does It Fit Into OurSchool Program?" on Monday afternoon, and a sym-posium on "Teaching Behavior in High School Biology"on Tuesday morning and afternoon, jointly with theNational Association of Biology Teachers. On Sundaymorning a joint Field Trip has been planned with theNABT to Dune State Park, with E. W. Teale and E. L.Palmer as leaders. The annual banquet will be held onSaturday evening in the Crystal Room of the ShermanHotel. E. W. Teale will speak on "Adventures in an In-sect Garden."

The National Association of Science Writers, in additionto a business meeting held immediately following theAAAS-George Westinghouse Science Writing AwardsCeremony on Saturday evening, will hold a joint sym-posium on Monday afternoon entitled "The Problem ofMaking Scientific Findings Comprehensible to thePublic," with the AAAS Section on Social and EconomicSciences.Honor Society of Phi Kappa Phi will hold a business

session on Monday afternoon, December 29, and a break-fast session on Tuesday morning. There will be a secondbusiness session immediately following the breakfast.

The Research Council on Problems of Alcohol will meetfor a morning and afternoon session on Monday, De-cember 29, at the Sherman Hotel. Representative papersinclude "Unexplored Frpntiers in Scientific Research onthe Problem Drinker," "The Medical Approach to Prob-lem Drinking," "Fundamental Research Plan to ProblemDrinking," and "Medicolegal Problems and the ProblemDrinker."Sigma Delta Epsilon Graduate Women's Scientilic

Fraternity will meet Saturday through Monday, De-cember 27-29, at the Sherman Hotel. The NationalCouncil Meeting will be held on Saturday morning; aluncheon for all Women in Science, at which MarjorieCarlson will speak on "Plant Collecting in Salvador,"will be held on Saturday afternoon; and the NationalConvention Breakfast will be held on Monday morning.

Society of the Sigma Xi will meet on Monday andTuesday, December 29-30. A meeting of the ExecutiveCommittee will be held at 9:00 A.M. on Monday in thesecretary's suite, Sherman Hotel. The Annual Conven-tion of the Sigma Xi will be held in the Crystal Room ofthe Sherman Hotel on Monday evening, December 29,and the Annual AAAS-Sigma Xi Lecture will be deliveredin the Grand Ballroom of the Sherman Hotel on Tuesdayevening, December 30. Glenn T. Seaborg will speak on"The Eight New Synthetic Elements."

About the Press Room-

As stated on page 556 of this issue, press headquarters for the Chicago meeting will be inParlors L, M, and 0 of the Sherman Hotel, with Sidney S. Negus, professor of chemistry,Medical College of Virginia, and president-elect of the Virginia Academy of Science, in charge.Dr. Negus is also a member of the National Association of Science Writers.The preparation of facilities in the press room for the use of news reporters is under the direc-

tion of Miss Jeannette Lowrey, Office of Public Relations, University of Chicago, and chairmanof the local AAAS Publicity Committee. During the meeting Dr. Negus and members of thepress room staff will distribute news releases, arrange press interviews, and otherwise managethe press relations of the Association.

Speakers, who have been unable to file abstracts or manuscripts of their papers with thePress Director in advance of the meeting are requested to turn them In at the press room inChicago at least 12 hours in advance of their presentation.

It is a general rule among science writers that, in order for a paper to qualify as news, theremust be some point of contact between the subject and the public. Science writers sometimesuncover newsworthy material in the most prosaically written reports. It is much more likelythat an abstract will attract the science writer and appear in print If the opening paragraphdraws attention to the social aspects of the Investigation or emphasizes the possible utilitarianvalue of the results to the public. Wholehearted cooperation is required of both scientists andscience writers if the Association is to realize one of its principal goals-"to increase publicunderstanding and appreciation of the importance and promise of the methods of science inhuman welfare."

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Preview of the 114th Meeting, AAAS: Chicago, December 26-31, 1947

DOI: 10.1126/science.106.2763.555 (2763), 555-566.106Science 

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