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Front Matter Source: The Scientific Monthly, Vol. 70, No. 6 (Jun., 1950), pp. i-viii Published by: American Association for the Advancement of Science Stable URL: http://www.jstor.org/stable/20174 . Accessed: 01/05/2014 19:15 Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at . http://www.jstor.org/page/info/about/policies/terms.jsp . JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected]. . American Association for the Advancement of Science is collaborating with JSTOR to digitize, preserve and extend access to The Scientific Monthly. http://www.jstor.org This content downloaded from 130.132.123.28 on Thu, 1 May 2014 19:15:52 PM All use subject to JSTOR Terms and Conditions
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Page 1: Front Matter

Front MatterSource: The Scientific Monthly, Vol. 70, No. 6 (Jun., 1950), pp. i-viiiPublished by: American Association for the Advancement of ScienceStable URL: http://www.jstor.org/stable/20174 .

Accessed: 01/05/2014 19:15

Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at .http://www.jstor.org/page/info/about/policies/terms.jsp

.JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range ofcontent in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new formsof scholarship. For more information about JSTOR, please contact [email protected].

.

American Association for the Advancement of Science is collaborating with JSTOR to digitize, preserve andextend access to The Scientific Monthly.

http://www.jstor.org

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Page 2: Front Matter

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Page 3: Front Matter

the metal made especially for

FISHER PERMAS WEIGHTS

No coimmiiionly available material matches perfectly all Permas Weights are non-magnetic. They will not the specifications for analytical balance weiglhts. attract metallic particles and they are not affected by Permas - was developed especially to coinform to speci. the damping magnets frequently used in analytical ficationis prescribed by the Fisher Development Lab- balances. oratory. Permas is the only metal specifically com- Permas Weights are corrosion resistant. They are pounded for analytical weights, and it contains nlore not altered by the corrosive fumes often encountered than 50% non ferrous material. Permas Weights are manufactured exclusively by in the laboratory. the Fisher Scientific Company and Eimer & Amend. Permas Weights are not lacquered or plated. They They are adjusted to tolerances well within the range do Inot have the disadvantage of taking up moisture as reqtuired by the National Bureau of Standards. all lacquered surfaces do. Permas Weights are harder. The surface resists Permas Weights are machined, by tungsten carbide abrasive action better thana brass, bronze, gold, plati. tools, from rolled bar stock and polished to a perma- num, or any plating used on analytical weights. nent, durable, mirror-like finish.

Permas-permaszent mass--is a coined word, registered in the U. S. Patent Office, and is pronounced per'-mass.

Write for full information on all Fisher Permas Balance Weights.

The 100-gram set of Fishier Permas Weights illustrated at sight is adjutsted to toleranices

requtired by the National Buireau of Standards for class"S

,analytical weights. Price $52.00

FISHER SCIENTIFIC COMPANY AND EIMER & AMEND ~ 717 Forbes St., Pittsburgh (1 9), Pa. Greenwich and Morton Streets

2109 Locust St., St. Louis (3), Mo. New York (14), New York

In Canada: Fisher Scientific Co., Ltd., 904 St. James Street, Montreal, Quebec

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Page 4: Front Matter

0 eR -la McGRW-IL GENERAL CHEMISTRY. New second edition

By JOHN A. TIu:M, Simmons College. 764 pages, $4.50 By the addition of new material and rnore detailed treatment of reactions important to the study of qualitative analysis in the laboratory, this successful college text places relatively greater em- phasis on the descriptive chemistry of elements and their compounds. As before the book still retains a comprehensive discussion of matter and the forces acting between structure particles. LABORATORY EXERCISES IN GENERAL CHEMISTRY

By JOHN A. TIM:M and RAYMOND E. NEAL, Simmons College. International Chemical Series. 231 pages, $2.75

A laboratory manual to accompany Timm's General Chemistry. Enough exercises are included to cover the requirements of laboratory work for a year's course.

INTRODUCTION TO THE THEORY OF STATISTICS By ALEXANDER MOOD, Rand Corporation, Santa Monica, Calif. 431 pages, $5.00

Here is a new text for a standard course in statistical theory with a calculus prerequisite. The author first develops the necessary concepts and models of probability and then proceeds with distribution and sampling theory. This leads to thorough exploration of the two major problems of scielntific inference: the estimation of quantities and the testing of hypotheses. PRINCIPLES OF GENETICS. New 4th edition

By E. W. SINNOTT, Yale University; LESLIE C. DUNN, and THEODOsIus DOBZHANSKY, Colum- bia University. McGraw-Hill Publications in the Botanical Sciences. 510 pages, $5.00

This new edition incorporates many additions to the knowledge of genetics which have taken place in the last ten years. Not only is the book completely revised, but new sections cover such topics as population genetics and speciation, -mechanisms of genie effects on development, general prin- ciples of population genetics based on the Hardy-Weinberg equilibrium, and the use of fungi and microorganisms.

ELEMENTS OF GEOGRAPHY. Physical and Cultural By VERNOR C. F'INCH and GLENN T. TREWARTHA. University of Wisconsin. McGraw-Hill Series in Geography. Third edition. 711 pages, $6.00

Treat physical geogralphy as a resource base for nations and peoples. This stressing of forms rather than processes gives the student a better concept of physical geography as the science which treats the potentialities of the physical earth for human use. The changes in this edition have been made in the light of the rapid advancement in some of the fields upon which the book touches; the practical test of classroom use; and suggestions of professional colleagues of the authors. PHYSICAL ELEMENITS OF GEOGRAPHY

By VERNOR C. FINCH and GLENN T. TREWAR.THA. McGraw-Hill Series in Geography. Third edition. 557 pages, $5.50

This book comprises Part I of Elements of Geography, published in a separate volume. THE NATURE OF P'HYSICAL REALITY. A Philosophy of Modern Physics

By HENRY MARG4ENAU, Yale University. 479 pages, $6.50 A discussion by a distinguished physicist of the philosophical implications of the developments of modern science, cove ring many topics not heretofore treated; metaphysics contained in physics, causality, the meaning of measurements, latent observables, the philosophy of the exclusion prin- ciple, and the meaning of reality.

Send for copies on approval

MWcGRAW.HILL BOOK COMPANY, INC. 330 WEST 42ND STREET, NEW YORK 18, N. Y.

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Page 5: Front Matter

you can co a ieconomically

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OR routine laboratory fractionation, the finesse and ultimate- degree precision of the T i u tic drop-counting collector

exceeds the requirement of the flow-rate collector is an efficient and economical insrmna ae na sound rate-of-flow prin- ciple, the time-controlled mechanis mwill automatically collect any number of samples up to 200: any predetermined volume-per-sample up to 25cc.

As each fraction is collected, the carriage automatically advances to repeat identical collections consecutively until the whole fractionation has been made. When speed is essential, a tandem-collector (optional) can be hooked-in to double output. The Technicon Flow-Rate Collector is completely automatic: requires no attention during operation. Set it for the given experiment and go away: it will shut off automatically on completion of the fractionation. Send the coupon below for details.

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Page 6: Front Matter

SCIEN<TIFIC MONTHLY VOL. LXX JUNE 1950 NO. 6

or Index Issue -

Geophysical Research, Using the Poulter Method, Taku Glacier, Alaska . . . . . Cover (Photo courtesy Stanford Research Institute)

Electrophoretic Detection of Plant Virus Proteins . Sam G. Wildman and James Bonner 347

Science and the Litexary Mind .Charles I. Glicksberg 352 A Survey of Geophysics .Friedrich Gassmann 358

Radionuclides in Mineral Engineering. A. M. Gaudin and P. L. de Bruyn 365

Principles and Problems of Biological Growth .H. R Crane 376 The Current Five-Year Plan of Soviet Science in Historical Perspective . Josef Brozek 390 The Moon (Verse) . . . . Gemma d'Auria 395 Some Observations on the Economics of Atomic Power .Joseph E. Loftus 396 Science on the March:

Eros, An Important Minor Planet .Paul Herget 404 Book Reviews by N. A. Court, Wilton Marion Krogman, William M. Mann, Gladys A.

Reichard, and Julian M. Scherr .406

Correspondence .409 Index .410

GLADYS M. KEENER, Executive Editor, THE SCIENTIFIC MONTHLY

EDII'ORIAL BOARD OF THE AAAS (Terms expire June 30, 1950)

HOWARD A. MEYERHOFF, Chairman K. LARK-HOROVITZ GEORGE A. BAITSELL LORIN J. MULLINS BENTLEY GLAS, MALCOLM H. SOULE

F. A. MOULTON, Advertising Representative

Established 1872 as The Poputlar Science Monthly; since 1915 an official publication of the American Association for the Ad- vancement of Science.

Publication office, Business Press, Inc., 10 McGovern Ave., Lancaster, Pa. Orders for subscriptions and requests for change of address should be directed to the Circulation Department, A.A.A.S., 10 McGovern Ave., Lancaster, Pa., or 1515 Massachu- setts Ave., N.W., Washingtoni 5, D. C. Subscriptions: $7.50 per year; single copies 75 cen-ts. Four weeks are required to effect changes of address.

Address all correspondence concerning editorial matters and advertising to The Scientific Monthly, 1515 Massachusetts Ave., N.W., Washington 5, D. C. The editors are not responsible for

loss or injury of manuscripts and photographs while in their pos- session or in transit; all manuscripts should be accompanied by return postage. The American Association for the Advancement of Science assumes no responsibility for the statements and opinions expressed by contributors. Copyright, 1950, by the American Association for the Advance- ment of Science. Entered as second-class matter at the Post Office at Lancaster, Pa., December 30, 1947, under the Act of March 3, 1879. Acceptanice for mailing at the special rate of postage pro- vided for in the Act of February 28, 1925, embodied in paragraph (d-2) Section 34.40 P.L. & R. of 1948. Indexed in the Reader's Guide to Periodical Literature. The A.A.A.S. also publishes Science, the scientist's news weekly.

iii

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Page 7: Front Matter

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time wasted trying to do a within relay bays; tools to a continuing job for Bell Tele-

complicated job with make- brush, burnish and polish; phone Laboratories. It's an-

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highly specialized. 90% of points without dismantling a value of your telephone serv-

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Page 8: Front Matter

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GOV'T 7x 50 BINOCULARS of mount at one end 60 mm. Lenigth of Flere's an unusual opportunity to mount 64 m-m. secure a fine set of Binoculars at a substantial saving of money. Stock #4033-X ........$3.00 Postpaid Coffered here are complete sets of COptics and Metal Parts for the MOUNTED PROJECTION LENS-Speed 7 x 50 Binoculars. These com- ponents are new and all ready F/1.9 . . .FL. 15 mm. $22.00 value for for assembly. We supply full in- $7.50. Low Reflection Coated. Used on S or structions. .16 mm. Movie Projectors . . . or to make a METAL PARTS-Set includes all Desk Viewer or Editor . . . for 16 mm. Micro-film Reader Metal Parts-completely finished . . . for Contour Projector for very small items. --for assembly of 7 x 50 Binocu- Stock #4045-X.$7.50 Postpaid bars. No machining required. A sturdy Binocular Carrying Case LENS CLEANING TISSUE-lst quality, sheet size 11" x 71/2". is optional with each set of Metal Made to Gov't, specs. Free of abrasives. Righ wet strength. Parts. Stock #721[-X ......500 sheets ......$11.00 Postpaid

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RIGHT ANGLE P-RISMS Government cost about $18.00. Focal length 24 mms. Lens Stock #3122-X 6 mm, x 6 mm. Face. $ .80 Pstpd. Diamecter 23 mms. Unusually wide field. Stock 4t3131-X . 11 mm,. x 13 mm. Face....$1.00 Pstpd. Stock 4#5189-X.$3.25 Postpaid Stock 4t3145-X....20 mm., x 19 mm. Face. $1.00 Pstpd. Stock 4#3162-X . 25 mm. x 25 mm. Face. $1.50 Pstpd. TERRIFIC BARGAIN!I Stock #3155-X . 31 mm., x 31 mm. Face. $3.00 Pstpd. Stock 4#3102-X . 32 mm. x 33 mm. Face. $1.00 Pstpd. BUBBLE SEXTANT Stock 4#3169-X . 41 mm. x 40 mm. Face....$3.00 Pstpd. BRN NE an wihAt Stock 4#3091-X . 47 mm. x 47 mm. Face....$1.00 Pstpd. BRN NEWadwt Auo Stock 4#3054-X . 167 mm, x 49 mm. Face. $4.00 Pstpd. matic Electric Averaging Device

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Page 9: Front Matter

ican Chemical Society. He stated also that one of the most significant developments in the use of nylon will be in the field of blends with other fibers.

Experiments reported to the American Chemical So- ciety indicate that cotton and rayon can be made almost as crease-resistant as wool by treating them with certain chemicals containing formaldehyde, thus greatly ex- tending the range of usefulness of fabrics made of these fibers.

A treatment involving the application of a water solu- tion of a titanium and antimony complex is a distinct improvement over previous flame-retardant processes ap- plied to cotton and rayon materials, according to Du Pont chemists. The process withstands repeated dry cleanings and normal horne launderings.

Other chemists say they will soon be able to eliminate the felting action of wool, with the result that socks, shirts, sweaters, blankets, and knitting yarns can be so processed as to make the:m easily and safely laundered, thereby saving thousands of dollars lost through shrink- age.

Report of' the Special Committee on the Civil Liberties of Scientists

The conclusions and recommendations of the special co,mmittee of the American Association for the Advance- ment of Science on Civil Liberties of Scientists, of which Maurice B. Visscher is chairman, were published in the August 19, 1949, number of Science. As there have been numerous requests for the complete report, the Executive Committee has voted to make it available at cost.

Although there is general recognition of the actual and potential dangers of national authoritarianism to scien- tific research and freedom of expression, it is inevitable that there should be wide differences of opinion among the more than 44,000 members of the AAAS regarding what is said in the name of the Association and how it is said. The special comrmittee worked long and con- scientiously on the report, accepted criticisms and sug- gestions, made sincere attempts to harmonize differences of opinion, and offers the report in the hope that its readers will recognize that it is an effort to present the problems and suggest remedies in the spirit of President Truman's statement, "Continuous research by our best scientists is the key to Amrerican leadership and true national security. This work may be made impossible by the creation of an atmosphere in which no man feels safe against the public airing of unfounded rumors, gossip, and vilification."

Copies of the report mray be obtained by addressing the Business Office, AAAS, 1515 Massachusetts Avenue, N.W., Washington 5, D. CA. The price is $1.00 for single copies; 904 each for 5 or more copies; 800 each for 20 or more copies. Checks or money orders must accompany requests, and orders should be sent in promptly. Copies of the report will be ready for shipment about June 1.

E. C. STAKMAN Chairman, Executive Committee, AAAS

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Page 10: Front Matter

The Only Photo-electric Colorimeter wilth NARROW-B.AND INTERFERENCE FILTERS AS STANDARD EQUIPMENT

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