August 19, 1949, VoL 110 SCIENCE 11~-

Recent and forthcoming textbooks

Elementary Laboratory Experimentsin Organic Chemistry, Fourth Edition

By Adams and JohnsonIn the fourth edition of this popular manual, the sections on laboratory operationshave been revised extensively so that greater emphasis is given to details of correctmanipulation and the exposition of underlying principles. Several new experi-ments have been added to provide a wider selection and permit further variationfrom one year to another. To be published in September. $3.25 (probable)

Laboratory Explorationsin General Zoology

Revised EditionBy Karl A. Stiles

This revision of a popular manual follows the same general plan of the first edition,with some changes in the order of the material and several new additions. Thebook has been revised throughout, now offering a wider range of material butretaining the flexibility of the first edition. Published June 28. $3.25

General Chemistry - A Systematic ApproachBy Sisler, VanderWerf and Davidson

A text for general chemistry courses, this new book emphasizes the modern princi-ples of atomic structure and the nature of the chemical bond. An abundance ofdescriptive, factual material is provided, organized in terms of the theoreticalprinciples involved. Designed for use in all but the most elementary freshmanchemistry eobftes, it is particularly well adapted for chemistry majors, engineers,premedical, pre-pharmacal, and other technical students. To be ppublished inSeptember. $5.00 (probable)

College BotanyBy Hylander and Stanley

This new text is designed for a full-year course in general botany. Part I dis-cusses the individual plant and its life problems, using a woody green plant tointroduce the student to the basic facts of plant morphology, histology, and cellstructure and function; Part II deals with plants as groups in our large vegeta-tion complex. To be published August 30. $6.00 (probable)

THE MACMILLAN COMPANY, 60 Fifth Avenue, New York 11

August 19, 1949, Vol. 1 10 SCIENCE 11

SCIENCE August 19, 1949, Vol. 110

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August 19, 1949, Vol. 1 10 15SCIENCE

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Biologist: Man, Ph.D. Fifteen years University experience teach-ing, directing research and administration. Publications in fields9f invertebrate zoology, growth, aquatic biology and conservation.Desire position as Department Head or teaching and research.Age 44. Box 296, SCIENCE. 8/19

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xtsAAAS PROCEEDINGS and-.Avadualrererence=DIRECTORY of MEMBERS

A directory of the 40,000 members of the AAAS, with briefbiographical sketches, making easily accessible the addressesand qualifications of spedalibts in every principal field of science,plus the history of the Association from its founding in 1848.

The list of names below is a photographic copy of the upper portion of page 673of the DIRECTORY. It illustrates the ease with which a name can be found.

MEMBERS AND FELLOWS

M

673

Ma, Fred ck; M40R40; CN.Ma, Robrta; P. O. Box 825, Berwyn, Md.; BotanicalS8ime; M46F47; G.Ma, T. S.; Dept. chemistry, National Peking Univ.,Piping, China; Chemistry, Medi ; M44; CN.Maa, 0. L.; Timken Boiler Bearing Co., Canton, Ohio;Chmistry, E ;giseri M42; CM.Mm, Philip; Hahe Medical CoIL, 236 North15th St, Philadelphia, Pa.; Chemistry, Medicine; M42;MN.Maaske, Cla ece A.; Univ. Colorado, Hoop. and Med.Sqb, 4200 E. Ninth Ave., Denver, Cobo.; Modioine,

iOn M46F47; NQ.Mabbott, Thomas 0.; M44R44; LMaby, Ster; M88R40.MeAdam, D. 3., Jr.; M18F25R46; MB.MbcAfee, Jer; M45R; CM.McAfee, William Keith (1893); Box 800, Redlands,Cal f.; B.S. Univ. Pennyvania; Ceramic gne ,;Pros, Universal ary Mf. Co, Redlands; M34-184L48; MB.MoAllater, Dean Vralnand (1910); Ph.D. Univ.Wisconsin; Plant Phyiolgy; Assoc. physiolog dlv.ora props, U. 8. D. A.; U. S. Regional Soybean Lab,206 Old Agr. Bldg, Urbana, Ill.; M37F89; G.MoAllater, Edwad Dowrs (1901); Brightford Hgt&.Rochester, N. Y.; Ph.D. Univ. California; PhyPi.Rdiaotin; Chid engr. cirumentation camera works,EastmanKodak Co, Rocheste; (M87F88R40)M47F88;BM.

McAmls, 3. C.; Tennessee Valley Authority, Knoxville,Tenn.; Agriculure, Botanical Sciences; M47; OG.MeArdle, Edward 1.; M42R42; C.MacArthur, C. G.; Bowmansville, N. Y.; ChemidtryMedicine; M28F33; CN.MacArthur. Edith Helena (1892); R. D. 1, Fort Ann,N. Y.; Ph.D.; Chemistry, Nutriion; Prof. and chrmn.,dept. home economics, Skidmore Coil., Saratoga Springs;N. Y.; M29F83; CN.MacArthur, John Wood (1889); 200 Glencafrn Ave.,Toronto, Ont., Canada; Ph.D. Univ. Chicago; Geneics;Prof. genetics, dept. Zoology, Univ. Toronto, Toronto,M18F15; FG.McArhur, Selim Walker (1888); 122 5. MichiganAve., Chicago, Ill.; M.D. Univ. Chicago; Surgery; Aisoc.prof. surgery, Univ. Illinois and or. attending surgeon,St. Luks Hop., Chicago; M42; N?.McAteor Veoa; M88R38; FG.MeAuley, Auley A.; Miami Univ.; Oxford, Ohio;Zoology Senes; M48; F.MeAuliffe, Gervai Ward (1896); 630 Park Ave., NewYork, N. Y.; M.D. Long Island Coil. Medicine; OtolaryasIgg; Asso. prof. otolaryngology, Cornell Univ., NewYork; M44; N.MeAvoy. Blanche (1886); 108 W. Ash St., Normal, Il.;Ph.D. Univ. Chicago; Ecologic Botany; Assoc. prof.biology, Iflinob State Normal Univ.; M21F33; G.McBal. James William (1882); 571 Foothill Rd.,P. 0. Box 1408, Stanford Univ., Calif.; Ph.D. Univ.Leipsig, Gemay; Chmistry; Prof. chemistry, StanfordUniv.: M28F32: CB.

This particular part of page 673 is chosen because it contains brid examples of nearly all typesof biographical sketches. The first item is the name of a person who was a member only one year.The next to the last name in the first column includes the usual biographical sketch; the subjectwas born in 1910, took his doctor's degree at Wisconsin; his specialty is Plant Physiology; he be-came a member of the Association in 1937, a fellow in 1939, and is affiliated with the Sectionon Botanical Sciences (G).

Preceding the Directory of Members is a history of the Association from its founding in 1848to 1948, and a summary of the organization, objects, classes and numbers of members, dues,journals, awards, etc., of each of the 203 affiliated and associated societies of the AAAS. It is acortipact survey of organized American science from its earliest days to the present time.1219 Jpp 6 x 9 inches, clotbbound, in cartons, postage prepaid-$S.50 to members, $9.50 to non-members.

Personal check or money order please.

ORDER YOUR COPY NOW!To: AAAS PUBLICATIONS1 s 15 Massachusetts Ave., N.W.,Washington 5, D. C.

Please accept my order for one copyof the AAAS Proceedings and Direc-tory of Members. Remittance in theamount of $ ...... is enclosed.

NAME ........

ADDRESS

CITY ..................ZO....ZONE

STATE ............... .................

on August 19,1949, Vol. 110SCIENCE

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Write for Bu1letin S-21.

Western Division2295 San Pablo Ave., Berkeley 2, California

New York OfficeGeneral Motors Bldg., 1775 B'way, N. Y. 19

Midwest OfficeLaSalie-Wacker Bldg., 221 N. LaSalle, Chicago

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A SPENCER STEREOSCOPIC MICROSCOPE

Microscope No. 21

PRICES START AT $19L00including optics

Model illustrated-No. 21X with1.OX and 2.OX paired Objectives,9X paired Wide Field Eyepiecesand cabinet-s priced at $254.00.

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SPENCER

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