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PersoDnnelPlacemen I

Cardio'ascullar Physoiologist-Ph1armacologtist. Ex-plicric nccd teacher/reselircher. alge 38. Desires post]ionl In medical schiool, Indlistrs or govermient.

P1,1hlisltCCd in areai of congestiv e heart faILUre Box2 15 '4 It1

(Celi! Animall PhNsiollogisi, 1Ph I ). 973. Lo)IanII

tICcL i 'citi cd pII ni io n I nc

B 240, SC IFN I

C omIjIim er Scientist %siih Phi.D. -)hLIcb ttIon11s sec

ta,:uItis rc~,trch, dclcsclpmicint position. Spc-

pi-LI1c i, I-cco-i.iiii nii B3ox 247. SC IJEN CE

D)e%clopmicntal lBiologist Biochemiist. Ph.D) IthrcCscatrs it por,tdtocoral re earth inivertcbrate

pir(i ,II) h Io s eI nisersits teachilig cs_

ti1clIcc hinclic iii try, cell hiitoogy, sc eience a,iSOisCIi. Prihi Cat ion, ScAes academnic teach ing and

I,-c po iiioni Box 248. SCIENCE. N

I'1flOf1111010giSt. Ph 1). 1909. IiOcr sears ot1 teachin111

pi htb ic ations sx pC r tiisIni coiiiiiiro l, p csi mii ge nm e nit. rtscct tic

c tcciirii iiiicroiscoi-i Teachintg interc its:/r (Ioitiics hio c iritirc bhetavior, ori

p) 'SL c, coI(),,i clctro l inicroisccopy Desircs

tc a,IctII i I iic I rcsca rc hr iipp iirtI Irros I 1 O F

,SLpi Iii ri Hcix 241) SC IFN

Fi' mtnmologist-F c(notZit, 2t. Ph .D) un Fe picdoptc r

p)O~rI nit0 hrortcres hetascrc, 15 phbltc attons, sec ks

rccscarchIi tc iclinitres,carcht, orc itidristrsvagriculturepoitio Sc itt~ (it sics I akews rid, C'oto. 8/0226.

Fu%i ronm menmtai h'Iii siologtist, IPh.DF) 5 yeatrs~ tcactt

cL h rc atr mir s. flrocttcnirst. Ph 1).., 21Svc ir itc tchrttg and rescarch

11i LIt1ii c iit\ itt- 2 Sc ar tp orstchc tcorat clinlic ailti irc, Irsv tIck)t u nirsersits

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Iw m srs 'I : tch irisirs HB o x 250

F xperli'nced Commputier Applicamtions Specialist

\ cm-i c\pc rcicice, iii so,stems anialysis, oper-

iti imii nm ram icrmneit, statistical analysis,

i01iitIniCt itrrictiotit Box 251, SCIENCE.

x

MIarinm H.Ndrod~ nammmicist N timmumerical Modeller,

I Ic s- liseFi it P'iih ili, ra Sce k

irictwan iir rcsc- ,rrtctr p irsiticoti. Bo x 252. SC

Pihi), Nliicrobmioogist/Nim'dicai 'I echnologist clcsrt el

poii(1 Ini Atrccl Icdthi Schoctl, unisersity, crc

hrnspii C hiiic,tl, ,icniMtr rirtative, aIrcd teaichin gr cx

tier iercc 'Noci F-iiricicirulslk, Ph.D., 1523 Silcir

ticM - Hliriis rrr leix s 77tt58, t713t 488 5(158, IN

Reproducti,te Ph.Nsiiologist, B.S. Oric ,lir of grad-

LI II ir,iitI II I Is LI re iars' cxp c:ric nccrc iiroctid oicrrtin s mialt aitti I' itI

LIi Iict rntrItr ItrLoIII S iS I)csitWs S Po isition ssithricI IrIccIrIIrcrI )tirrreti,rt, Brix 239, SCI ELNCF

irologisi [)eseio mi)m taIli Biologist, Itt.DF. R

cs p)crrcnic c, clinii cit interests,

p~Mcmi,Scck-C iespjonsihrtc tichrinig atnd, oi-cin1L,Hch t0itIMirr Nvcst Coar,st 253, SCL-

POJI~I~tIHIU~ SITIONS OPEN IIIOII1IIIIIIIIIHII1U1SS I '51,NXNT PIROFESSOR

l'oririO 'ir blhe ini ttte D epartm ecnt iif !lic rcr

Icitir I tniversits Nlichti eain M cdicait Schiool.

cdi iti nl LISt t 1 VC Ittl ). ittld syeai ofn post-

cd rctoraIi t r,titirIne, Ceq IrIxV" nts Position is

fir- unit rinittoCr st toi ccOittdLiCt itidepeti denit researc

Ini hisic Innrmnncroso- andc tci participate in teachiiii- protrams. Corde ,2tt0J. Send esuinre xxtA

reprint s o t itiost stign iiI Ihi ,ion ns 0

Box 208. SCIENCEF A Noindiscriinaitaory Aflfiri,mvei Ac tioii Empilosyci.

SCIFhNT VOL.

Circle No. 86 on Readers Service Cc rd

-lq

KIDNF,Y PHYSIOLOGY

Recent Pvh.D. Research opportuinity to work inmicropincttire laboratory. Ranik and salary open.Send resume to

Dr. Edward A. AlexanderBoston Unisersity School of Mledicine15 Stoughton StreetBoston, Massachusetts 02118

LIMINOLOGISF OR AQUATIC BIOLOGISTLimtiologist, or aquiatic biologist, Ph.D., with

strong backgroLind in mathematics and chemistryto cooperatc withi scietntists of other disciplinesin dcvelopirig mathematical models for stimcila-tion of suLrface waiter quality. The incLimbent'sriin contribcrtion will involvc identification, mea-scLrenierit, and rncidel formuLlation of biotta-n c-

trient inlteractions. Expcriments ini controlledensvironmeterls cor in field situations will be in-volsved. It is ces.r.iblc that the applicant be ex-perienced in the analsysis of niatural ecosystems.Interested pcrsonis shouild coritict: Dr. S. M.Zand, Research Hydrologist, Water ResourcesDivision, U.S. Geological Sursey, 345 MliddlefieldRoad, Menlo Park, California 94025. Salary$16,682 to $19,70th, dependiinig upin qcialifications.

This position is in the career civil service,arid aIpplicants will be coiisidered withiotit regardto race, color, religion, sex, age, or nationalorigin.

NEUROFNZVYM101OGIST. Postdoctoral Fel-lowship ( to 2 years). To stuLdy enzsme systemsinvolved ini metabolism of brain glycolipids. Ex-perience in all aspects of enzyme chemistry es-senitial.

Location: New N'cirk Metropolitan area in assCII-Cqclippcd Univ ersity-aililiated Hospital Re-se.mrch InsitItLte.

Salary: 13,00( (pItis liberail frinige benefits).Send cUrriCUlciM svitac and two rcferences to:

Box 254, SCIENCE

PARASITOILOGISTAssistant Plrofessor, D)epartmunt of Zoology, Col-Iceee of Bioulogical Science, 1 lie Ohlio State Uni-sersits. Postdoctoral expericrice preferred, spe-cimlty in pitysiologsy of puarasitism. Position opcn

October 1973. Al equatl opporticnity employer.Sendtl resUine to

Department of Zoology1735 Neil Ave.

Columbus, Ohio 43210

PEPTIDE

CHEMISTPh.D., preferably with postdoctoralexperience in the classical synthe-sis of biologically active peptides.Experience in isolation from naturalsources and in sequencing of pep-tides is desirable.Interested candidates should senda r6sum6 of education and experi-ence to:

CHARLES L. SMITHResearch Administrator

WYETHLABORATORIES, INC.

P.O. BOX 8299Philadelphia, Pa. 19101

Air Eqimal OppItortiiitY Emriplo yer

RESPIRATORY PHYSIOLOGIST/PHYSICIAN

Teaching, research, and director of PuLlmonaryFLunctioni Lab for clitiic/hospital at the tiew

nicclicitl vcllool. I. J. O'Brien, Department ofPhysiology, Texas Tech University School ofMedicine, Box 4569, Lubbock, Texas 79409.

PEST MANAGEIMIENTFacLIlty position in teachine and research in

pest management, to contribute to existing pro-gram in agricLilture entomology. Candidates holdinga Ph.RD degree, regardless of sex, ethnic origin,or experience, are invited to apply. FuLrther in-formation suLpplied on request to Professor D.D. Jensen. Chairman, Division of Entomologyand Parasitology, 201 Wellman Hall, Universityof California, Berkeley, California 94720.

GRADUATE SCHOOL OF OCEANOGRAPHYUNIV'ERSITY OF RHODE ISLAND

A facults position for .a petrologist at the Assis-tant Professor level or possibly at a higher rankssill be(opeli Juils 1973. Candidate must haveexpertisc in clectron microprobe analysis andconipLiter datai redLCtcion Candidate is expectedto develop a se,i-orieiited research program rc-lh,tccd to tle petrology of the oceanic crust,Undcrly iiLi tipper mantle, atici volcanic islandsand ofTer graduLmmt CocLrircs on theseS suLbjects andpt,iMse eqUilbhrii. Voomen and minority groLiprnirnhcrs ,irie encoi.iraged to apply. Send cttrricLilaviti., lirmcs cf thrce referees, and brief summaryof res-zirch experience anid objectives to: Geo-Icgical Candidate Search Committee, GraduateSchoa)l of Oceanography, Kingston, R.I. 02881.

Att FEqial Opportunitnr EmploYer

PHYSICAL OCEANOGRAPHERApplications are ins ited for the position of

Associate Professor or F.III Professor to teachaind c*irry oLut researclh in physical oceanographyst.mrtin- AtltlIst 1973, or thiereaifter. ApplicantsrnLsit h.isve a Pb D. anid 6 to 1ff years of relevantposit-l'lt D .expericilce. Fields of interest couldhbe geopliy sical its drodynamics, tuLrbulence, waves,tidal tlicors, tinrical modeling, or other.The Insitl'tLiC operates a 65-foot vesscl, is

f1itIsecL ill 11Cs W qUartcrs (2(),()00 square feet),atnd is fo:Lised onI continental shelf and shallow"sater areas. A chair ini Oceanography is presentlyv icanit.

Applications si(tiLld be senit to: Dr. John C.l,udsiilck_, Director, Institute of Oceanography,Old Dominion University, Norfolk, Virginia 23508.

A i Equial Opportoitic Emplom er

A, sistant l'rofessor of Physiology (Ph.D.) atRLltgers Untisversityssiiith an interest in respiratory,clrdiosVIsciil,ir, or renal pItysiology, and in that

order, to d tczlcilitng arid research. ApplicatntssholdICI s cllC cLurrn. 11nI1 itac and nanies of thlree-efcrecs to 1Dr. Paul D. Sturkie, Department ofEnsironmental Physiology, Cook College & Col-lege of Agriculture & Environmental Sciences,Rutgers Inisersity, P.O. Box 231, New Bruns-nsick, Neew Jersey 08903

A-i Lqi nitployer

RESEARCH A\ ,JNT. B.S. BIOLOGY orrelated ficblc reqi LI for cellular immunologyexperimental hcematology irivols ing small animalproceduLrcs \V.ucancs I JLluie for EXPERIENCEDresponlsibleicidisniclaliL i fonproit reseirch orga-ili,ti/mi i ilt Upper Ness s'ork State. Eqiual O1-tort(imiti Empiil)ii cir. Box 245, SCIENCE

ASSISTANT RESEARCH NIE-UROSCIENTISTApplicatiots are insited for tino positioins at thera,ink of Assistait Rcscarch Neuroscietntist. Ph.D.in bltchlniistry a-tcd 2 to 3 slecrs of postdoctoralcxperimeric rqullired. The principal responisibility

it trbc suLICC ssfuLl candidaite ssill be to inlitiatcInchL coLLhIiCi t in indepenident research projectrelated to tlie biochiemistry of the differentiatingier'sVOIS S' IStClil cithler ini vivo or in ccll cuLltcirc.Scud cuLrriculu.1m vitae, reprinits, and the nlamesiictc acddcre ses of three referces to AdministrativeSersices Officer, University of California, SanDiego, School of Mledicine, Department of Neuro-ciences, La Jolla, California 92037. A Non-

diistciomiioatort Affirmative Action Eurnplomer

NE-B I-ZEALAND FORI-ST SERVICESCIENTI S., FORFST RESEARCH INSTITUTE

Applicatiois ir e iris tcid for this position.C onirniercicrg salars LIp to S9913 per anntim

dchpCldiclhi Oli qLuiilificitions and experience.Qiut/ifti c tioti, De. imed: HonioLrs degi-ee itt or in-

clUidiite mnitlintriatica,t statistics and some experi-cIcc in apphlied statistics, preferably biologicalsci t'c e.

I)Diuiei: Apptointee ill be itt charge of Bio-iiictrics SectitiI. ssvill ict as statistucal consultantto oificers ctigagchd in the full range of forcstrymnd ftorest prOtLcLicts rcsearch arid will undertakercc,icrfli ilntO the application of statistical meth-ods to reseamrch problems.

For tiirtlhier informriatiort please write to theNess Zezilarich Fmorest Service, Prisate Bag,Vellitriuton New Zealard.

Apphication formnismay be obtained from theNews Zealand Enhbassay, 19 Observatory Circle,N's, "'asihington, DC. 20008: with whom appi-cirtions clostse o 27 Jcine 1973.PIe,mse qlmmtC svacaricy No. 9/72/5034.

PIIIIIIIIIIIIIIIIIOSITION7S OPEN |||||||||||||||||

ASSOCIATE PROFESSOR O.F PATHOLOGYPositioii available I JLIly 1973 for an individualpotscssing a D.D.S., M.D., or V.D.M. degreeand Ph.D. C andidate should have strong researchexperience in cancer immunobiology and cellkinetics. Calididate should be sinccrcly interestedin tceaching pathology to tundergraduate and post-gradLiate dental sticdents. Applicants shocild replyproit to JLIly 1973 by forwarding a resume ofteaching and research experieIlce, curriculuLmsitac, references, atid so forth to Chairman,I)epartment of Pathology, Unisersity of Penn-sy,l}ania, School of Dental Medicine, Philadelphia,Pa. 19174. Women and minority groups arespecifically encoLuraged to reply.

INS'l'ITUTE OF NUCLEAR SCIENCES,DEPARTMENT OF SCIENTIFIC AND

INDUSTRIAL RESEARCH,WELLINGTON, NEW ZEALAND

A scientist with a Ph.D. or similar qLialificationis rcqulircd. The positioni will involve initiating,ind Conducting research on radiation biologywith partictular reference to (i) the mechanismof .iction of agents sshichi sensiitize or protect.against radiation effects at the molecular level,lnd (ii) applicationis of radiobiology of agricul-

tiral, mcdical, or entomological significance inNcw Zealand. Collaboration vsill be encoturaged

ith radiation chemists at the InIstitLite and with

biologists It ceiitrcs nearby. A range of radia-tion facilities and E.S.R. eqclipment is available,iticludilng a 3-MeV electron accelerator and as-soc iatcd rapid mixiing apparatus.A conmmencing salary of up to $NZ 8749 is

pisable depending on qualifications.For fLirther information please swrite to the

l)ircctor, InIstitute of NuLclcar Sciences, PrivateBIag, I ower HLitt, New Zealand.The closing date for applications is 13 June

1973.Applicatioin forms may be obtained from the

New Zealand Embassy, 19 Observatory Circle,NW, Washington, D.C. 20008.

|||||||||||||||GRAD)UATE STUDY |||||||||||||||

PREDOCTORAL ASSISTANTSHIPSIN PHYSIOLOGY

Excelleilt opportunities for graduatc students lcad-ing to the Ph.D. Stipends arid free tuitioti. Traininganild rescarch in cardiovasciLlar, cellttlar, endocrine,g.istrointestinal, energy metabolism, neuroplhysiol-ogy, rcspiratioti and transport physiology. Writef'or details to Head, Department of Physiology,School of Basic Medical Sciences, University ofIllinois at the Medical Center, P.O. Box 6998,Chicago, Illinois 60680.

I HREIE POSTDOCTORAL FELLOWSHIPS IN1HE EARTH AND PLANETARY SCIENCES

The Larmonit-Doherty Geological Obsersvatory ofC olumbia Uniiversits invites scienitists ititeresteditn aiy ficldl of tilc carth and planctary scicnccsto apply for the following fcllowslhips:

T1wo postdoctoral fellowships, cacti awarded fora pcriod of year (extendible to 2 years inSpecial itnstances) begininitng ill Septemiiber 1973.ss iti a stipeiid of $12,0(1(0 per anntiLuml. Onec ScniiorPostdoctoral Fellowship, the stipend and tei-m ofthe award to be arratgcd to Slit tie specialt-eqiircmeitts o the slIcCeCsfuLl applicant. Coni-pleted applications a re to b e rctuLrnied bs IJliiii.

Application forms niay be obtained(lbv writingto the Director, Lamont-Dohertv Geological Ob-sersatory, I'alisades, N.Y. 10964.

The Market PlaceOLIGO(dT)-CELLULOSE-Type 1

Prepared by the method of Gilham (4).One ml. will bind and retain 250 nmolesof Poly(A) in 1 M NaCI solution contain-ing 0.01 M phosphate at pH 7.5. Con-tains 0.02%, sodium azide. Wash outwith water before use.

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