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HISTORICAL GEOLOGY by Carl 0. Dunbar.Much new material from original sources and new illustrations characterize thisnew textbook which presents geology in a vivid and interesting manner.January 1949 Approx. 567 pages 380 illus. Prob. $5.00

PHYSICAL GEOLOGY by Chester R. Longwell, Adolph Knopf,and Richard Flint.This revised edition states the elementary facts of physical geology and conta'insrecent data on glaciation, 'igneous geology, and metamorphism.Third Edition, 1948 602 pages 365 illustrations $5.00

OUTLINES OF PHYSICAL GEOLOGY by Longwell-Knopf-Flint.Designed for a one-semester course, this book represents a brief summary of geo-logic processes as agents of changes.Second Edition, 1947 387 pages 281 illustrations $3.25

OUTLINES OF HISTORICAL GEOLOGY by the late CharlesSchuchert and Carl 0. Dunbar.This book is written for students who wish, to get in one brief course a generalsurvey of the history of the earth.Fourth Edition, 1941 291 pages 176 illustrations $3.00

OUTLINES OF GEOLOGY by Longwell-Knopf-Flint-Schuc~hert-Dunbar.This book combines Outlines of Physical Geology by Longwell, Knopf, and Flint,and Outlines of Historical Geology by Schuchert and Dunbar.Second Edition, 1941 672 pages 431 illustrations $5.00

ROCKS AND ROCK MINERALS by the late Louis V. Pirsson andAdolph Knopf.A thorough study of rocks and their minerals, this volume presents importantproperties of minerals and tables for their determination.Third Edition, 1947 349 pages Illustrated $4.00

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SCIENCE, December 24, 1948, Vol. 108 9

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Important forthcoming texthooks

PRE-MEDICAL PHYSICAL CHEMISTRYBy Matsen, Myers and Hackerman

Alt of the University of Texas

This new text is designed to fill the textbook need for those special courses in physicalchemistry given to premedical students. It sets forth and develops chemical prin-ciples with particular reference to those principles which now have application to thestudy of medicine and other biological sciences. To be published in February. $4.50(probable)

A BRIEF BIOLOGYBy James W. Mavor

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Based on the author's longer General Biology, and following the same plan and se-

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BIOLOGY of the VERTEBRATESThird Edition

By Walter and Sayles

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SCIENCE, December 24, 1948, VoL 1081111SCIENCE, December 24, 1948, Vol. 108

Personnel Placement

POSITIONS WANTED

Physiologist; B.A. (Biochemistry); M.A. (Zoology), eastern uni-versity; Ph.D. (Zoology, Limnology and Physiology); four years,instructor in Biology, eastern university; four years. research inphysiology, teaching hospital; past several years, head of depart-ment of zoology, Middle Western university; prefers teaching posi-tion in physiology or limnology; for further information, pleasewrite Burneice Larson, Director, Medical Bureau. PalmoliveBuilding, Chicago 11. X

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Applications are invited for two post of Superintending Geologistsfor the Geological Survey of Pakistan under the Ministry of Edu-cation and Industries, Government of Pakistan. Appointmentswill be on contract for 3 years with possibility of renewal at theend of that period. Pay: $456.00-152.00-516.80, plus Overseas payof $53.86. Qualifications: (i) High academic qualifications inGeology, preferably a Doctorate, (ii) adequate practical training inGeology and Mining, (iii) considerable experience of field Geologyand as in-charge research parties. Age not above 50 years.Duties: General Field and Administrative work relating to theMines and Geological Survey. Applications marked "Geologists"should be addressed to Education Attache, Embassy of Pakistan,2201 R Street, N.W., Washington, D. C. 1/14

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Botany: Graduate Assistantships for Feb. or Sept. 1949. $400 or$500 per semester, tuition waived on 8 units. Write for applica-tion blanks and information to Dept. of Botany, Univ. So. Califor-nia, Los Angeles 7. X

Pharmaceutical Research Chemist: Good opportunity available fora man 30-40 who can demonstrate marked professional ability inthe development of new pharmaceutical products. Men with ex-perience in the manufacture of tablets, ampuls, liquids, ointments,and related products will be given preference. Initial appraisal ofrespondent will be based on completeness and content of resumeof academic training, scope of experience, and evidence of possess-ing qualities as a leader. Position has good future with largemidwestern pharmaceutical firm. Box 526A, SCIENCE. 12-24

Pharmacologist: A leading manufacturer of fine chemicals has anopening for a graduate pharmacologist for research and investiga-tory work concerned with new drugs and anti-biotics. Expandedresearch program offers an excellent opportunity. Location inNew York City. In replying, give details of training and ex-perience, salary expected, and pertinent personal data. Box 510A.SCIENCE. 1-7

Physicist with M.A. degree or its equivalent, preferably with sometraining in chemistry, who is inclined toward the applied field ofmechanical properties of matter, heat and moisture transfer, opti-cal properties of films, and sound absorption, is required by manu-facturer of wood fiber products. Location: Upper Midwest. Box534A, SCIENCE. X

SCIENCE, December 24, 1948, Vol. 108

CHARGES FOR CLASSIFIED ADVERTISINGRegular setting 10¢ a word. Minimum charge $2.50 foreach insertion ( 15¢ per word, $3.00 minimum beginningJanuary 1, 1949). A box number counts as 8 words of theadvertisement (e.g. 25 words plus box number equals 33words). Make checks payable to the AAAS. All inser-tions must be accompanied by correct remittance and sent14 days in advance of publication date to the AdvertisingDepartment, AAAS, 1515 Massachusetts Avenue. N. W.,Washington 5, D. C.

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SCIENCE, December 24, 1948, Vol. 108

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NE[WI AAAS PROCEEDINGS and* DIRECTORY of MEMBERS

MEMBERS AND FELLOWS 673

MMa, Frederick; M40R40; CN.Ma, Roberta; P. 0. Box 825, Berwyn, Md.; BotanicalSciences; M46F47; G.Ma, T. S.; Dept. chemistry, National Peking Univ.,Peiping, China; Chemistry, Medicine; M44; CN.Maag, 0. L.; Timken Roller Bearing Co., Canton, Ohio;Chemistry, Engineering; M42; CM.Maas, Philip; Hahnemann Medical Coil., 235 North15th St., Philadelphia, Pa.; Chemistry, Medicine; M42;CN.Mamalce, Clarence A.; Univ. Colorado, Hosp. and Med.Sch., 4200 E. Ninth Ave., Denver, Colo.; Medicine,Education; M46F47; NQ.Mabbott, Thomas 0.; M44R44; UMarby, Roger; M38R40.

McAdam, D. J., Jr.; M18F25R45; MB.McAfee, Jerry; M45R45; CM.McAfee, William Keith (1893); Box 300, Redlands,Calif.; B.S. Univ. Pennsylvania; Ceramic Engineering;Pres., Universal Sanitary Mfg. Co., Redlands; M34-F34L43; MB.McAlister, Dean Verdinand (1910); Ph.D. Univ.Wisconsin; Plant Physiology; Assoc. physiologist, div.forage crops, U. S. D. A.; U. S. Regional Soybean Lab.,205 Old Agr. Bidg., Urbana, Ill.; M37F39; G.

McAlister. Edward Dorris (1901); Brightford Hgts.,Rochester, N. Y.; Ph.D. Univ. California; Physics,Rdiaation; Chief engr. instrumentation camera works,Eastman Kodak Co., Rochester; (M37F38R40)M47F38;BM.

McAmis, J. C.; Tennessee Valley Authority, Knoxville,Tenn.; Agriculture, Botanical Sciences; M47; OG.McArdle, Edward H.; M42R42; C.MacArthur, C. G.; Bowmansville, N. Y.; Chemistry,Medicine; M28F33; CN.MacArthur, Edith Helena (1892); R. D. 1, Fort Ann,N. Y.; Ph.D.; Chemistry, Nutrition; Prof. and chrmn.,dept. home economics, Skidmore Coll., Saratoga Springs;N. Y.; M29F33; CN.MacArthur, John Wood (1889); 200 Glencairn Ave.,Toronto, Ont., Canada; Ph.D. Univ. Chicago; Genetics;Prof. genetics, dept. Zoology, Univ. Toronto, Toronto,M13F15; FG.McArthur, Selim Walker (1888); 122 S. MichiganAve., Chicago, Ill.; M.D. Univ. Chicago; Surgery; Assoc.prof. surgery, Univ. Illinois and sr. attending surgeon,St. Lukes Hosp., Chicago; M42; NF.MCAtee, Veva; M38R38; FG.McAuley, Auley A.; Miami Univ.; Oxford, Ohio;Zoology Sciences; M48; F.McAuliffe, Gervais Ward (1896); 630 Park Ave., NewYork, N. Y.; M.D. Long Island Coil. Medicine; Otolaryn-gology; Assoc. prof. otolaryngology, Cornell Univ., NewYork; M44; N.McAvoy, Blanche (1885); 108 W. Ash St., Normal, Ill.;Ph.D. Univ. Chicago; Ecological Botany; Assoc. prof.biology, Illinois State Normal Univ.; M21F33; G.McBain, James William (1882); 571 Foothill Rd.,P. 0. Box 1408, Stanford Univ., Calif.; Ph.D. Univ.Leipzig, Germany; Chemistry; Prof. chemistry, StanfordUniv.; M28F32: CB.

The above list of names is a photographic copy of the upper portion of page 673 of theDIRECTORY of the 40,000 members of the AAAS. It illustrates the ease with whicha name can be found and the clarity of the printing.

This particular part of page 673 is chosen because it contains brief examples ofnearly all types of biographical sketches. The first item is the name of a person, whowas a member only one year. The next to the last name in the first column includes theusual biographical sketch: the subject was born in 1910, took his doctor's degree atWisconsin, his specialty is Plant Physiology, he became a member of the Association in1937, a fellow in 1939, and is affiliated with the Section on Botanical Sciences (G).

Preceding the Directory of Members is a history of the Association from its found-ing in 1848 to 1948, and a summary of the organization, objects, classes of members,numbers of members, dues, journals, awards, etc., of each of the 203 affiliated andassociated societies of the AAAS. It is a compact survey of organized Americanscience from its earliest days to the present time.

1219 pp. 6 x 9 inches, cloth bound, in cdrtons, postageprepaid-$8.50 to members, $9.50 to non-members.

AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCENCE1515 Massachusetts Ave. N.W., Washington 5, D. C.

SCIENCE, December 24, 1948, Vol. 10814

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