GET YOUR ADVANCE COPYof the General Program of the

AAAS New York Meetingby first class mail - early in December

The General Program of the 127th Meeting of the AAAS in Newxv York, 26-31 December1960, will be available to you, at cost, wvithin the first wveek in December-whether you can attendthe Mleeting or not.

Program Co

1. The two-session AAAS General Symposium, "MovingFrontiers of Science V"-Speakers: Edward Anders,H. W. Maagoun, George Wald, and H. H. Goldstine;Thomas Park, presiding.

2. The "Challenge to Science" evening with Sir Charles P.Snow, Theodore M\. Hesburgh, and W. 0. Baker; War-ren Weaver, presiding

3. On "AAAS Day," the three broad, interdisciplinary sym-posia-Plasma: Fourth State of Matter; Life under Ex-treme Conditions: and Urban Renewal and Develop-ment, arranged by AAAS Sections jointly.

4. The Special Sessions: AAAS Presidential Address andReception; joint Address of Sigma Xi and Phi BetaKappa by Polykarp Kusch; the Tau Beta Pi Address;National Geographic Society Illustrated Lecture; and thefirst George Sarton M\4emorial Address by Rene Dubos.

5. The programs of all 18 AAAS Sections (specialized sym-posia and contributed papers).

6. The programs of the national meetings of the AmericanAstronomical Society, American Nature Study Society,American Society of Zoologists, History of Science So-ciety, National Association of Biology Teachers, ScientificResearch Society of America, Signma Delta Epsilon, So-ciety for General Systems Research, Society for the Studyof Evolution, Society for the History of Technology,

Society of Systematic Zoology, and the Society of theSigma Xi.

7. The multi-sessioned special programs of the AmericanAssociation of Clinical Chemists, American Astronauti-cal Society, American Geophysical Union, AmericanPhysiological Society, American Psychiatric Association,American Society of Criminology, Association of Ameri-can Geographers, Ecological Society of America, Myco-logical Society of America, National Science TeachersAssociation, New York Academy of Sciences-and stillothers, a total of some 90 participating organizations.

8. The four-session program of the Conference on Scien-tific Communication: The Sciences in CommunistChina, cosponsored by the AAAS, NSF, and ten so-cieties.

9. The sessions of the Academy Conference, the Confer-ence on Scientific Manpower, and the conference ofthe American Council on Women in Science.

10. The sessions of the AAAS Cooperative Committee onthe Teaching of Science and Mathematics, and of theAAAS Committee on Science in the Promotion of Hu-man Welfare.

11. Titles of the latest foreign and domestic scientific filmsto be shown in the AAAS Science Theatre.

12. Exhibitors in the 1960 Annual Exposition of Scienceand Industry-103 booths-and descriptions of their ex-hibits.

Advance RegistrationAdvance registration has these decided advaantages: (1) You avoid delay at the Registration Center upon arrival; (2)

You receive the General Program in ample time to decide, unhurriedly, which events and sessions you particularly wish toattend; (3) Your name is posted in the Visible Directory as the Meeting opens.

The following coupon may be used both by advance registrants and by those who wish onlythe advance copy of the General Program.

.----------THIS IS YOUR COUPON FOR AN ADVANCE COPY OF THE GENERAL PROGRAM------ -

la. fl Enclosed is $3.50 for my advance Registration Fee which brings me the General Program, Convention Badge, andall privileges of the Meeting (500 is for first-class postage and handling).

lb. O Enclosed is $2.50 for only the General Program. (It is understood that, if I should attend the Mleeting later, theBadge-necessary for the privileges of the Meeting-will be secured for $1.00 more.)

(check la or lb)2. FULL NAMIE (Dr., Miss, etc.) ......................................................................

(Please print or typewrite) (Last) (First) (Initial)

3. ACADEMIC, PROFESSIONAL, ORBUSINESS CONNECTION ......................................................................

4. OFFICE OR HOME ADDRESS .....................................................................(For receipt of General Program)

CITY ............................ ZONE ......STATE .........................................

5. FIELD OF INTEREST

6. CONVENTION ADDRESS.......................... ..(May be added later, after arrival)

Please mail this Cotlpon and your check or money order for the total amount to theAMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE

1515 Massachu.setts Avenue, NW, Washington 5, D.C.

744 SCIENCE, VOL. 132

Meeti'ngsForthcoming Events

October

13-15. Academy of PsychosomaticMedicine, Philadelphia, Pa. (B. B. Moss,55 E. Washington. Chicago 2. 111.)

13-15. Optical Soc. of America, Boston,MaIass. (M. E. Warga, OSA, 1155 16 St.,NW. Washington 6)

14-15. Society of Photographic Scien-tists and Engineers, symp., Washington,D.C. (F. MN. Brown, Photomechanisms,Inc.. Box 67. Huntington Station. N.Y.)

15. American Soc. of Safety Engineers,annual, Chicago, Ill. (A. C. Blackman,ASSE, 5 N. Wabash Ave., Chicago 2)

15-16. American Acad. of Psyclhothera-pists, 5th annual conf., Cleveland, Ohio.(B. J. Barkley, 1856 Coventry Rd., Cleve-land Heights 18. Ohio)

16. American College of Dentists, LosAngeles, Calif. (O. W. Brandhorst, 4236I indell Blvd., St. Loulis 8, Mo.)

16-22. High-Speed Photography, 5thintern. cong., Washington, D.C. (V. H.Allen, Soc. of Motion Picture and Tele-vision Engineers, 55 W. 42 St., NewYork 36)

16-22. Society of Motion Pictuire and[elevisioni Engineers, semi-annual conv.,Washington, D.C. (C. S. Stodter, SMPTE,55 W. 42 St., New York 36)

17-18. Basic Science in France and theUnited States, symp., New York, N. Y. (S.Roth, Office of Research Services, NewYork Univ.. Washington Square Center,New York 3)

17-19. Adaptive Control Systems,symp., New York, N.Y. (H. Levenstein,W. L. Maxon Corp., 260 W. 34 St., NewYork)

17-19. American Oil Chemists' Soc.,fall, New York. N.Y. (W. C. Ault. U.S.Dept. of Agriculture, Philadelphia 18, Pa.)

17-20. American Acad. of Pediatrics,Chicago, 111. (E. H. Christopherson, 1801Hinman Ave., Evanston, 111.)

17-20. American Dental Assoc., LosAngeles, Calif. (H. Hillenbrand, ADA,222 E. Superior St., Chicago, 111.)

17-21. Neutron Pile Research, symp.,Vienna, Austria. (International AtomicEnergy Agency, 11 Karntner Ring, Vi-enna 1)

17-22. Diagnosis and Treatment ofAcute Radiation Injury, Geneva, Swit-zerland. (World Health Organization,Palais de Nations, Genev,A)

17-26. Plastics Processing, intern.cong. and exhibition, Amsterdam andUtrecht. Netherlands. (Secretariat, c/oN. V. 't Raedthuys, Tesselschadestraat 5,Amsterdam-W. Netherlands)

18. Oak Ridge Inst. of Nuclear Studies,Oak Ridge, Tenn. (W. G. Pollard, Box117, Oak Ridge)

18-20. Mathematical OptimizationTechniques, symp., Berkeley, Calif. (R.M. Oliver, Dept. of InduLstrial Engineering,Univ. of California. Berkeley 4)

18-21. American Dietetic Assoc., 43rdannual, Cleveland, Ohio. (M. L. Ross,Simmons College, The Fenway, Boston15, Mass.)19-20. American Geophysical Union,

16 SEPTEMBER 1960

Moscow, Idaho. (A. N. Sayre, U.S. Geo-logical Survey, Washington 25, D.C.)

19-21. Design of Experiments, 6thconf. (by invitation only), AberdeenProving Ground. Md. (F. G. Dressel. Of-fice of Ordnance Research, Box CM,DuLike Station. Durham. N.C.)

19-21. Sptace Navigation, symp., Co-lumbus, Ohio. (institute of Radio Engi-neers. 1 E. 79 St., New York 21)

19-26. MeaLsuring Techniques and Aui-tomation, 2nd intern. cong., Dusseldorf,Germany. (Nordwestdeutsche Ausstel-lungs-Gesellschaft, Ehrenhof 4, Diussel-dorf)

20-21. Hypervelocity, symp., Denver,Colo. (R. R. Dexter, lAS, 2 E. 64 St.,New York 21)

20-22. Acoustical Soc. of America.San Francisco, Calif. (V. Salmon, Stan-ford Research Institute, Menlo Park.Calif.)

20-22. Institute of Management Sci-ences, 7th intern., New York, N.Y. (J.Townsend, IMS, 30 E. 42 St., New York17)21-22. Association of Midwestern Col-

lege Biology Teachers, 4th annual, Man-kato, Minn. (L. Zell. Mlankato State Col-lege. Mankato. Minn.)

2 1-22. Research Approaches to Psy-chiatric Problems. symp.. Galesburg. Ill.(T. T. Tourlentes, Galesburg State Re-search Hospital, Galesburg)

21-23. American College of Cardiology,St. Louis, Mo. (G. F. Greco. 114-08 Lin-den Blvd., Ozone Park 16, N.Y.)

21-25. American Heart Assoc., annual,St. Louis, Mo. (AHA, 44 E. 23 St., NewYork 10)

22. Midwest Solid State Conf., 8th an-nual, Lincoln, Neb. (J. W. Weymouth,Physics Dept., Univ. of Nebraska, Lin-coln)

23-26. American College of Gastro-enterology, Philadelphia, Pa. (D. Weiss,33 W. 60 St., New York 23)

24-26. Medical and Biological Aspectsof the Energies of Space. symp. (School ofAviation Medicine, USAF Aerospace Medi-cal Center), San Antonio, Tex. (J. Har-mon, Symposium Coordinator, SouthwestResearch Inst., P.O. Box 2296, San An-tonio 6)24-2 7. Hot Atom Effects, symp.,

Prague, Czechoslovakia. (InternationalAtomic Energy Agency, 11 KdirntnerRing. Vienna 1, Austria)

25-2 7. American Standards Assoc.,natl. conf., New York, N.Y. (G. F. Hus-sey, Jr., AST, 70 E. 45 St.. New York 17)

26-28. Animal Care Panel, 11th annual,St. Louis, Mo. (ACP, P.O. Box 299, Le-mont, Ill.)

26-28. Society for Industrial Microbi-ology, Conf. on Antimicrobial Agents.Washington, D.C. (SIM. 2000 P St., NW.Washington 6)

27-28. Cellulose Conf., 3rd, Syracuse,N.Y. (Cellutlose Research Inst., StateUniv. College of Forestry, SyracuseUniv., SyracuLse 10)

27-28. Electron Devices, 6th annual.Washington, D.C. (J. Hornbeck, Bell Tele-phone Labs.. Murray Hill. N.J.)

27-29. American Soc. for Aesthetics,Brooklyn, N.Y. (J. R. Johnson, ClevelandMuseum of Art, Cleveland 6. Ohio)

27-29. International Assoc. of Milk

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(Epichlorohydrin 20 0.3triethanolamine) 40Separation and purification of viruses.

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(Carboxymethyl 20 0.7Cellulose) 40

Weakly acidic - mosFeffective at pH'sslightly above 4.

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28 29. Societs tor the Scientific StuLdsVotf Religion. 20th. Ness York. N.Y. (W. H.Clatrk. Haittforcdl School of ReligionLs EILdu-catiOi. Hartford 5. C onn.)

29 3. P'hotoclasticits . inter n. s vmrp..C(hicigo. Ill. (P1'. 1). Fly nn. ISI), IlliloisInst. of Tcchnologs. Chicago 16)

31-. Association of MilitaIrI Surgconsof thi l .S.. Washitiglon, D.C. (R. F. B3it-tic;. SLilc 718. Ness Medical Bldg.. 1726xc St.. N\W. Wiashington)31-2. Elect ical echniquLcs in iMicdi-

cine aind Biolog . 3th 'annual cont..Washilngton. D.C. (G. N. Webh, Room

547. CSB. Johnis Hopkins Hospitail. Bailti-m11ore' 5. Nid.)

31 -2. Gcochemical Soc.. Denver. Colo.(K. B. KrauIslskopf. Geologs I)ept.. Stain-lor-l Unix.. Stanlord. C alil.31-2. Gecological Soc. of America.

Denxcr. Colo. (F. Betz, Jr.. 419 W. 1 17St.. Nes Yorlk 27)

31-. Societv of Econioimiic Geologists.Denver. Colo. (1H. MN. Bannerman. U.S.Geolo-i.aI alSurvev. Washington 25. D.C.1

3/ 2. Socictv of Rheology. a1nnaILIl.PittsbhLu gli. Pt. (J. H. Dilloin, Soc. ofRheologx. Textile Research Inst.. Prince-toIl. .J.)

3/-4. Amcri CanIl PLiblic Health Assoc..Sain Frmancisco. C alif. (B. F. Nlabttison,APHA. 1790( Brolallsav, New Yorki 19)

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Each . ................. $295.00

SARTORIUS KILOMAT III BALANCEThe Kilomat Ill is an automatic balance for weighings up tothree kilograms. This direct reading balance is another qualityproduct of Sartorius. Available with or without tare device.H-2497 Balance, Sartorius Kilomat Ill, with tare device.Capacity, 3000 grams; accuracy, 0.2 grams. Magneticallydamped. Reading is direct on optical scale, 0 to 1010 grams in1 gram divisons. Above 1000 grams, 1000 or 2000 grambuilt-in weights are added mechanically. Taring device goesup to 500 grams.

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746

November

/-3. International Cong. on Exper-imiient-al Mechanics, Ncsv York, N.Y. (1. Gtuer-ni-sex Jr.. Soc. of F xperimentlail StressAnals sis. General rEngineering Lah.. Gen-eral Electric Co.. Schenectady 5, N.Y.)

/-/6. Inter national ElectirochemicalCommiiiiissioni. New Delhi. India. (AmericanStandards Assoc.. 70 L. 45 St.. New York17)

2-4. Ilasma Phx sics. 2ndct annulr .

Gaitlinhur-g -I CnnII. (A. H. Snell. O(ak RidgeNatl. I ah.. Oak Ridlge. Tenn.)

2-4. Societs for F xperimental Stres,sAnalysis, Berkeley, Calif. (W. W. MIIr-ras NIMssachusIIIetts Inst. of Technology,C amhr idge)

2-5. American Soc. of Parlsitologists.Los \ngzeles. C alif. (F. J. KrnidienieF.Zoologv Dept., Unix,. of Illinois. Urbana)

2-5. \mericanm Soc. of 1 ropicadl McdicinlC and Hygiene. I os Angeles. C alif. (R.13. Hill. 3573 St. Gandenrs RZd.. M\iami 33.1Fla.)

2-.. American Speech and HearingAssoc.. I os Angclcs. Callif. (K. O. John-son. 11)1)1 ConnectiCLit Ax e.. NW. W'ash-ington 6)

3 4. F- -ostatic PropulsionI col1..Monterexv. C alif. (J. NI. Sellen. 1 homiipsonRami-o-Wooldridge. Inc.. 8433 F allbrookAxe.. Calnogi Park. Calif.)

3-4. MIuIscIe as i 1TissuC. conlt.. PhilIdCl-phli. Pa,. (Dix ision of Research. 1 anklenanHospital. Philadelphia )

4-5.. West-C cntril Stattes Biocheml,icalCoont.. 1 incoln. Neb. (J. H. Pa>izrlrD-)cpt.olt Biochei-isi-rx and Nutrition. Unixv. o,Nehbrlaska. 1-incolin)

4-6. Assoc. ot Cliniclal Scientists. Watsh-ington. D.C. (1k. P. NiatcFate, 54 W. HbI-

batrd St.. Chicag,o 1(). 11i.)SSociCtV tor I ndustt ial aIndl A pplieCl

NIathemllatics. Philladd lphli. Pa. (G KaIs-kex Remnington Rand Unixvac. 19((W)

llghcnherivn Ave, Philadelphia)7-10. Society of Exploration Gcophxs-

icists. 301th aunnal inltern., Galvxestoti. Tex(C. C. Ca,imphell. Box 1536, TIlsa 1.O) Ia.)

9-10. U sc of Secondary SLII; fiCCs fol-Heat Ti ansfel xv ith Clean Cases. symrop..I ondlon. England. (Secretary. InstitSUtionof' MNechanical Engineers. 1 BirdecagcW'alk. ILondon S.W. I)

9- 1. Clinical Chemistiv MIethiods.sy mp.. Clevxeland. Ohio. (A. Halinline.Clexeland Clinic. 2(020) E. 93 St., Clevc-land 6)

10- 12. Geological Soc. ol Amerila.73rd conx'., Denver, Colo. (H. R. Aldirich.GSA, 419 W. I 17 St., New Yor-k- 27)

10-12. National Assoc. of GeologsTeachers, Denxer, Colo. (F. Foote, Dcpt.of Geology, Williams College. Williams-to\sn. IMass.)

1(-1 3. Palcific Coast Fertilitv Soc.. LasVegas, Nev. (A. C. Wineherg. 3 121)Wchster St., Oakland, C alif.)

/ 1-12. PIaleontological Soc., Deniver.Clo. (H. B. Whittington, Harrvxad Univ..Caimnbridige 38. Mass.)

13 -16. Society of Anmerican Foresters.6Oth annal, W.shington, D.C. (H. Clip-pei, SAF, 825 Mlills Bldg.. Washington 6)

14-17. Malgnetism aund Magnetic Mate-ri-Als, 6th annual conf., New York, N.Y.(L. R. Bickford, Jr., I.B.M. ResearchCenter, Yorktown Heights, N.Y.)

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iacoRiii~tRfr Ilirani-tx'PVexIC.LUmIgage'l ts a strip-chart gatlx anometer tx c.

NMa,rkine is rectilinear oni preSSrclr-scelsl-tiNe paper: gyalxvanometer is clamped f'ormarking cxverv 21 Seconds. Gearti traitisare axvailable oi xvariouIS sxynchronoctSSpeeds. \aeuumIII ratCIgeS are 0 to 2' aticd1) to 00t) -He,. AeCuraxc is said tc) be---2 pece-cnt Of' fctll scaile. Dimncislionsare 3 s-bx5 bry 4l sin. and xxeightxx ith 63-ft charit roll is 31 lIb. ArithuIrF. Smiithi. Inic.. Depit. Sei729A. 711IAlexanmder St.. RZochecster 4. N.Y.)

*C0d N-I-ER-i NINtlR IS an atll SOlid Stateinistrctn enit that total L's randcom exventisoxer alix of' eight tlime Intervals fromiIt)- to It) seconcls. and measctres fre-qUectye fromi to 0 cy see: periodiI rotii 10` to It) secoticis. and phaseangle f'romi If to 18t) degy. The crxvstal-controlled clock signal, said to be stableto -~-t0.3 X 10' see xx,k. Is broLtght ouitto thie f'ront planel. SqUlare xxaxes tnseven dlecade steps fromi 0. I tco It)-cy/sec are also Proxiclecd. (TrainsistorSpecialties. Inc.. Dept. Sci73t)A. Termi-Iinal Drixe. Plainxviexx'. N.Y.)

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f'reqLueevIN-mocl-LIlaItec-I oscillator, an tn-gteraI1poxxer SLI-pplV, and a pIlttg-in unit

containing a selectedl. prec'ise. pressuirepickctp- wxith heater and thermiostat.PLcig-inl cinits are Interchangeable.coxering atbSO lute and differetntialranges f'roto 10) to 3000 lb/In . and gagepreSSUres tip toIt1)01)0 lb/in .OLtPLttpcani be displayed cmi a frequenecyCOuinter or oti printed paper tape. Octt-puit frequency is 10 kcv/sec at zero-itipLut. FreqUency7 deviation of 2.5 kcvxsec mav' be mttLtipliecl bv 2 orr4bv-aplug-in accessory. Comibitied lineari'tyand hysteresis is '-t0.05 percenit forranges uIP to 2500 lb/in . and A-f)percent for ranges above 2500 lb,/In.-"Higher aCCUracy is available at in-creased cost. (Wiancko En1gineeringCo., Dept. Sci768. 255 N. Halstecl Axe.,IPasadena, Calif.)

* tON!ZATION VA\CUUMNi Ptu Nr is sai'd toachiexe enhanced speedi and stabilit\by virtLte of' a three-electrode conistrLuetioli thalt includes a SpUttering cathode.Speedis claimed aire: 'r. 25 lit./sec.:araon. 8S lit./sec, miethaniie. 28 lit./see.anfd hxydrogen. 5 lit./sec. Speedt is COOllstani[t oxver the operating piresSLur rangccof' theC puIi.P1. Ultima,te p-reSSLIre is les,,than I) mmHg Ihe uMpMI can bcbakecd att 451) C. 1-ifec of' the replaceableSpu)Lttering cathode is Mlore thlan 0,00(1h1ours at 1I1`1 mm-Hg. C onsolidatedVaICuuLM C orp.. Dep-t. Sci750. 1 775 Nlt.Reaid Blvd_. Rochester- 7.N.)

* AIoFM1 O. llo DA\PTFIR permitsasill or motioni piCtute cameratob

LISedI x ith microscopes. F- posures aremade x\\ith the camerai lens set at ill-ftnit\v. A xviexx inct- s\ stemi wxith cross hairspermits the specimenct to be v ie\v ed andthe field of' x ie\xx selected a,nd f'ocuSedI.All the ig,-ht 'IS ulsed for- the eXPOSure-and I's dleflected f'or vcex\ing. The cam-era ShuLtter IS uised In the normiial f,ashionl.(1ataxyete Radio. Dept. Sci788. 65-O8 ihertx A\xe. Jamaica 77. N.Y.

* [I NI C 001 GtNURTORxIo'frnishes a 36-bit code indicating tlime of' day and davof' vear itn a proposed Inter-Ra-nge ItistrilMen1ta'tiot (aroup1 formlat and Isread ouit onice each second at a I 00)puLSe "see rate. A le'ap-year sxxitch pro-ides for the extra clav every,, 4 vears.

1\'x0oLittpLttS are in cl-c-lev~,el--shift formiand mo1dulated I000) cv/see carrter.Stability is said to be 3 parts in 10.Proxvision is made for synichronizationxxith station W\VV. (Electronic Eni-gineer-ing Co.. Dept. Sci778. 1601 E.Chestnu]t Axe.. Santa Ana. Calif.)

* t1It ( TRONtC MICROMELTER is an Op-posed-he,ad dievice thlat permits meas-uiremient fromi txvo sides to the center-line of a fragile or comipressible part.Opposing miicromieter tips mllay beczeroed against each other at a selectedireference position or at the 'anvilsurface. Conitrols bring the upper tip-downxxard. to touIch the top of thepart being mieasured, and the lower tipuipxx~ardl throutgh a hole in the lo\xxeranvil to conitact the bottotii. MeaSuirecdxvaLICeS are displayed onl COLtnters to 2(1piJn. (J. W. Dice Co.. Dept. Sci782.Engle\xvood. N.J.)

* SOcJND-PtRt StURt xALRMI operates re-lay contacts ait a preset SOuind or vibra-tioni level. I he standard tiiodel operatesat 70 to 00 cdb sound preSSuire leveland has a differential of 2 db. An elec-tronic delay prevents actUttation onisingle impacts. (H. H. Scott, Inc., Dept.Sci777. Ill1 Poxxder Mill Rd., May-nard, Mlass.)

JOStILIA STFIRNINavtional Biureaiu of Standarlx.'Washimi,'ton. D.C.

SCIENCE. VotL. 13 2