ResearehBiocItemmist

.7E~~~~~~~

I,,

The continued growth & expansion of our researchprogram has created a new position in our

Biochemical Research Section. IThe scientist we seek will possess a Ph.D. in Bio. __.

or have substantial experience at the Twenty-four distinguished scientists presentM.S. tevel. their findings in 17 chapters under four general

M.S.level. ~~~~~~~~headings:His interest & experience should be directed to- Geographical and clinical consideration.wards research in the isolation, purification and Nutrition and dental caries.biochemical characterization of enzymes and other Exprimental de riosiproteinofteaetc.motne Experimental considerations in oral soft tissue

proteins of therapeutic importance. lesions.

This position is located at our modern research Prenatally induced oral anomalies.laboratories in pleasant residential surroundingsnear the Chicago metropolitan area. AMERICAN ASSOCIATION

To learn more about this position, send abrief description of your professional background FOR THEor call Mr. J. R. Grover collect (815) 932-6771

ARMOUR PHARMACEUTICAl COMPANY lllADVANCEMENT OF SCIENCElARMOUR PHARMACEUTICAL COMPANY 1515 Massachusetts Ave., N.W.P. 0. Box 511 Kankakee, Illinois Washington, D.C. 20005

An Equal Opportunity Employer

POSIN WA PERSONNEL PLACEMENT IBiochemist, Ph.D. Experience in- isolation andcharacterization of proteins; enzymes, natural pro-ducts, clinical biochemistry; R&D in medicaland surgical products. Box 160, SCIENCE. X

Financial Administration, research organizationor college; strengths in new construction, account-ing, personnel, grants and contracts. Box 161,SCIENCE. X

NIH'er anticipating retirement this fall. Seeksresearch affiliation in non-NIAMD institute oruniversity, D.C. area. Ben Bloom, Ph.D. X

Neuroanatomist Ph.D., neurophysiology minor,postdoctoral and medical school teaching experi-ence, publications, grants, seeking academic orresearch position. Box 145, SCIENCE.

Pharmacologist, PhD. with laboratory and ad-ministrative experience, seeks position in researchand development. Box 163, SCIENCE. 8/5

|||||||||||||||||||||||||||||| POSITIONSOPEN|iiiiiiiilIlIIIBIOCHEMIST

579-bed university affiliated hospital haschallenging opportunity for a biochemist withM.S. degree to supervise biochemistry staff.Experience in diagnostic biochemistry desir-able. Individual and cooperative researchprojects available. Extensive automation equip-ment in use. Salary open. Box 147, SCIENCE29 JULY 1966

ParasitologyRX FORYOUR

FUTURE

Rapidly expanding Veterinary Research Division of pharmaceuticalfirm has excellent opportunities for two parasitologists.

SR. RESEARCH PARASITOLOGISTPh.D. or equivalent, experienced in parasitology to plan and superviseprograms for the development of compounds for use in the veterinaryfield.

RESEARCH PARASITOLOGISTM.S. or Parasitology major or B.S. with Parasitology training andexperience to work with problems on parasitic helminths of poultry andlarge animals.

These positions are open in our modern laboratories located in pleasant central New York State community.Company offers up-to-date compensation and benefit plans.

Send resume to: F. J. Benenati, Prof. Empl. Rep.

THE NORWICH PHARMACAL CO.P.O. Box 191 Norwich, New York 13815

An equal opportunity employer

||ll||||||||ll}tlllI MEETING I 111111ALASKA DIVISION, AAAS

The Alaska Division of the AAASwill hold its 1966 meeting during the period

29 August-2 Septemberat the Alaska Methodist University,

Anchorage.

For further information contact

Dr. William E. DavisAlaska Methodist University

Anchorage, Alaska561

New AAAS Symposium Volume

ENVIRONMENTAL VARIABLESIN ORAL DISEASE

Editors, Seymour J. Kreshover and F. J. McClure,328 pp., illus., bibliography index, 1966. Price:$8.75. AAAS members' cash orders: $7.75.

Recent research on the role of environmentalfactors in oral disease is reported in this collectionof papers from a symposium held at the AAASmeetina in Montreal, December 1964.

INSECT MICROBIOLOGIST

University of California, Berkeley

Applications are invited from microbiologists for thestaff position of Insect Pathologist to study insectdiseases and their possible utilization in pest con-trol. Applicants with experience in bacteriology,mycology, virology, or protozoology are preferred.Opportunities for teaching may be available. Rankand salary will be commensurate with qualifications.To submit applications, or for further information,write: Division of Entomology, University of Cali-fornia, Berkeley, California 94720.

I

IMMUNOLOGIST - BIOCHEMISTRecent Ph.D., as colleague for long term re-search project on auto-immune phenomena;possibility of academic appointment; Florida:salary range $10,000-$12,000.

Box 164, SCIENCE

Please quote file reference

562

RESEARCHVIROLOGIST

Ph.D. Recent graduate or with ex-

perience. Background and interestsin viral diseases or cancer immu-nology. Medical Microbiologist can

qualify. Biochemical backgrounddesirable for cancer program.Graduate students expecting de-grees in near future will be con-sidered. Interested persons write to:MR. GORDON L. GERHARD,Supervisor,Professional Employment

Merck Sharp & DohmeResearch LaboratoriesWest Point, Pa.

An Equal Opportunity Emizployer

MICROBIOLOGISTSHazleton Laboratories, a leasling independent companyspecializing in the Life Sciences, needs B.S. Micro-biologists or Bacteriologists with 0-3 years' experience.Duties include microbial assay, biochemical, radiolog-ical, and immunological researeh. Stable employment,chance for advancement. competitive salaries, excellenteducational assistance policy, and profit-sbaring plan.Please send resume or write for application. Hall A.Acuff, Assistant Personnel Manaqer, Hazleton Labora-tories, Ine., P.O. Box 30, Falls Chureh, Virginia 22046.

An Equial Opportunity Employer M/F

Ph.D. VIROLOGISTVirologist with strong bio-chemicalbackground, for basic research pro-gram in virology and molecular biol.ogy.

SALARY COMMENSURATE WITHTRAINING AND EXPERIENCESend full resume including salaryrequirements in confidence to:

ADMINISTRTIVE DIRECTOR

SQUIBB INSTITUTEFOR MEDICAL RESEARCH

Now Brunswick, N.J. 08903An equal opportunity employer

'.sa*.*.*v.**ss~~~~~.5~~..5

The Market PlaceBOOKS * SERVICES * SUPPLIES * EQUIPMENT

.||||1|| SUPPLIES AND EQUIPMENTfllI

* HYPOPHYSECTOMIZED RATSShipped to all points via Air ExpressFor further information writeHORMONE ASSAY LABORATORIES, Inc.8159 South Spaulding Ave., Chicago 29, III.

PROFESSIONAL SERVICES |||||||||||||||||

Complete Bio-AnalyticalServices

Automated Wet Chemistry,UV, GLC, Clinical,

Hormones, Drugs, Lipids# Metabolic Research Foundation

2201 W. Holcombe BoulevardHouston, Texas 77025

MRF Phone: 71 3-664-4932

SCIENCE, VOL. 153

CLINICAL BIOCHEMIST- Large medicallaboratory needs department head. Academicappointment with supplemental salary. B.S.with at least 4 years' experience required.Salary range $10,000-$12,500, depending onqualifications. Generous retirement and otherbenefits. Send curriculum vitae to HerbertDerman, M.D., Director, City of KingstonLaboratory, Kingston, New York.

EMBRYOLOGIST - HISTOLOGISTAcademic position available September, 1966.Ph.D. preferred. Rank and salary dependenton degree attained and experience. Salarywill range from $6,000 to $10,000. Send ap-plications with vitae and names of refereesto Dr. Richard A. Ryan, Chairman, Depart-ment of Biology, Hobart and Wm. Smith Col-leges, Geneva, New York.

SCIENTISTSPhysicists, mathematicians, chemists, re-search engineers, statisticians, operations re-search analysts, systems analysts-above all,researchers who can apply the scientificmethod in new- contexts,-no_. matter whattheir discipline-will find rewarding work atthe Center for Naval Analyses of TheFranklin Institute.CNA engages in operations research andsystems analysis for the U.S. Navy andMarine Corps. Good salary, fringe benefits,stimulating environment, research opportuni-ties. See the results of your work in ac-tion . . . establish yourself in a permanentcareer . . . perform a vital defense function.For an interview, send letter with resume to:James S. HibargerCENTER FOR NAVAL ANALYSES1401 Wilson Blvd., Arlington, Va. 22209

An equal opportunity employer

Research Assoeiate, M.S. or equivalent in physiology,biophysics or zoology for ongoing research project onelastic properties of nornial, denervated and dys-trophic skeletal muscle. Experienced in small animalsurgery and electronic instrumentation. Some teachingof undergraduates in research electives and supervi-sion of laboratory personnel if desired. $7,000 -$9,000. First inquiry should include resume andreferences.Walter C. Stolov, M.D.

Department of Physical Medicine and RehabilitationUniversity of Washington Hospital

Seattle, Washington 98105

MANAGEMENT POSITIONVACCINE PRODUCTION

We need an experienced virologist for a new senior position in biological vaccine production.This person will have responsibility for the manufacture of all virus products including newproducts introduced from research. Future opportunities for additional management responsibil-ities are excellent. Work in an environment that encourages industrial initiative and develop-ment. Applicants should have a Ph.D. or experience equivalent in Virology and have worked invirus vaccine development or production. Reply in confidence to:PERSONNEL DIRECTOR

X 6 iTHE NATIONAL DRUG CO.Division of Richardson-Merrell Inc.4663 Stenton Avenue Philadelphia, Pa. 19144

An Equal Opportunity Employer

OIL SEED CHEMISTGrain Research Laboratory

WinnipegUp to $14,500

Responsibilities include directing an oil seed laboratory and conductingresearch on the quality of commercial oil seed crops.Overseas travel may be required.

Candidates should have a Ph.D. and experience in lipid research.Resumes should be submitted to:

Dr. G. N. Irvine, Director,Grain Research Laboratory,Board of Grain Commissioners for Canada,Winnipeg, Canada.66-100-GO.

. ....... > ,,,I

i

>; ;.;;o;:;::x-.-.-x:::.-.::... t ............. ........ .KIIIIN......4. .1m,S.,

........................... .................. -.-.-{seSe.-X.{.-.zsN."'.: IV,

0111111111111111111111111POSITIONS OPEN l.illillirlilili-Niilli illini[ilillilljl POSITIONS OPEN 11iiiiiiiiiiiiiiPOSITIONS OPEN

Recent AAAS Symposium Volumes#82. Civil Defense

1966. 154 pages, paper. Editor: Henry Eyring. Scientistsreport their findings on problems related to modemwarfare and passive civil defense systems.

Price: $4.00. AAAS Member's Cash Price: $3.50.

#81. Environmental Variables in Oral Disease1966. 328 pages. Editors: S. J. Kreshover, F. J. Mc-Clure. Contents: Geographical and clinical considera-tions; the oral environment-nutrition and dental caries;experimental considerations in oral soft lesions; pre-natally occurring influences.

Price: $8.75. AAAS Member's Cash Price: $7.75.

#80. Air Conservation1965. 348 pages. "The result of a 2-year study by theAAAS Air Conservation Commission, all aspects-socio-logical, technical, political and biological-of air pollu-tion are considered concisely." (Chemical Processingfor Operating Management, May 1966)

Price: $8.00. AAAS Member's Cash Price: $7.00.

#79. Science in Japan1965. 496 pages. Editor: Arthur H. Livermore. A broadand detailed review of recent scientific and technologicaldevelopments in Japan.

Price: $13.00. AAAS Member's Cash Price: $11.00.

#78. Man, Culture, and Animals1965. 304 pages. Editors: Anthony Leeds and AndrewP. Vayda. "This volume contains articles pertaining tothe relationship between man and animals in differentparts of the world, covering the influence of domesti-cated and non-domesticated animals on a variety ofcultures." (Biological Abstracts, 1 February 1966)

Price: $8.00. AAAS Member's Cash Price: $7.00.

#77. Food Quality1965. 306 pages. Editors: George W. Irving, Jr., andSam R. Hoover. "It is an excellent, well-edited reviewof the agronomical production and processing problemsof the basic commodities, fruits and vegetables, cereals,dairy products, poultry and eggs, and meat products."(Cereal Science Today, November 1965)

Price: $8.50. AAAS Member's Cash Price: $7.50.

#76. Agricultural Sciences for the Devel-oping Nations1964. 230 pages. Editor: Albert H. Moseman. "Thebook . . . is especially useful because of the author'scombined experience with the situations and problemsof agriculture in the less developed countries. . Thisbook will be a valuable reference for many years."(BioScience, March 1966)

Price: $6.75. AAAS Member's Cash Price: $6.00.

#75. Mechanisms of Hard Tissue Destruction1963. 776 pages, 430 illustrations. Editor: R. F.Sognnaes. "Scientists in the fields of dentistry, medicine,and zoology presented a multidisciplinary symposiumin 1962, dealing with varied but cognate topics suchas coral reefs, dental caries, deer antlers, osteoclasticdiseases, bone metabolism, chelation. It is a refreshinglywell-planned, well-edited, and interesting symposium."(Journal of the American Medical Association, July1964)

Price: $13.00. AAAS Member's Cash Price: $11.00.

#74. Aridity and Man1963; 2nd printing, 1965. 604 pages, 98 illustrations.Editors: Carle Hodge and Peter C. Duisberg. "Best col-lection of background material . . . well balanced andhighly readable . . . probably the broadest and mostnearly complete treatment of arid lands yet published."(Journal of Forestry, May 1964)

Price: $12.00. AAAS Member's Cash Price: $10.00.

# 72. Spermatozoan Motility1962. 322 pages, 113 illustrations. Editor: David W.Bishop. "This book is an excellent assemblage of recentfindings and reports of new data relative to the perplex-ing problem of sperm motility and includes the opinionsand ideas of cytologists, biophysicists, biochemists andphysiologists." (Journal of Animal Sciences, March 1963)

Price: $7.50. AAAS Member's Cash Price: $6.50.

#71. Great Lakes Basin1962. 320 pages, 92 illustrations. Editor: Howard J.Pincus. "It is difficult to do justice to all the topicscovered in a book as rich as this one in content, inter-pretation, and discussion. . . Highly recommended toscientist and layman alike." (Transactions, Amer. Geo-physical Union, December 1963)

Price: $7.50. AAAS Member's Cash Price: $6.50.

#70. Fundamentals of Keratinization1962. 202 pages, 136 illustrations. Editors: E. 0.Butcher and R. F. Sognnaes. "This book . . . makes fas-cinating reading for all clinicians and research workersinterested in keratinising tissues" (British Dental Jour-nal, 15 January 1963)

Price: $6.50. AAAS Member's Cash Price: $5.75.

#67. Oceanography1961; 4th printing, 1966. 665 pages, 146 illustrations.Editor: Mary Sears. "Oceanography is a milestone inoceanographic advance, a worthy publication to comeout of the first international congress of its kind."(Geographical Review, Vol. 52, No. 3)

Price: $14.75. AAAS Member's Cashl Price: $12.50.

Britishl Agents: Bailey Bros. & Swinfen, Ltd., Warner House 48 Upper Thames Street, London, E.C.4Clip out this Form. Fill in and Mail Today

.__ __ ____ _____________ _

Circle VolumesYou Wish ToOrder ... 82

81 80 79

78 77 76

75 74 72

71 70 67

American Association for the Advancement of Science1515 Massachusetts Avenue, NWWashington, D.C. 20005Please send the symposium volumes circled oni this form, to:

..............

Address ..........................................................................

City .............. State ....... Zip Code ............

Note: Special prices are allowed only to AAAS members for orders submitted directly to AAAS with payment.Individual membership at $8.50 per year includes a subscription to SCIENCE.

SCIENCE, VOL. 153

/'. The definitive difference is PHAS5EaIL

Epithelium Cells,Bright Contrast.10OX Objective

Epithelium Cells.Dark Contrast,10OX Objective

AO Phasestar brings out detail that was there all the timeMaterials too transparent to see under ordinary bright- ment. And once you center the annulus, ifield microscopes take on visual form and body under centered. A dual-viewing body accessory for sthe new AO Phasestar. Even slightly pigmented prep- neous observation, wide choice of contrastsarations become visible to the utmost detail. bright and B-minus) and many other exclusiAO Phasestar's exceptional resolution and flatness add up to make the new AO Phase-

of field, plus a wide range of phase objectives, allow star the first significantly newyou to see details that were never before possible. This phase microscope in 20 years.is the definitive difference. See for yourself. Ask your AO Sales

But that's not all. There are convenience differ- Representative or dealer for a demon-ences, too. You will find new ease in annulus align- stration, or write:

it stays;imulta-(dark,

iives all

Y AM ERICAN OPTICAL COMPANYINSTRUMENT DIVISION * BUFFALO. NEW YORK 14215