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Back Matter Source: The Scientific Monthly, Vol. 51, No. 2 (Aug., 1940), pp. v-viii Published by: American Association for the Advancement of Science Stable URL: http://www.jstor.org/stable/17206 . Accessed: 02/05/2014 21:23 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 Fri, 2 May 2014 21:23:29 PM All use subject to JSTOR Terms and Conditions
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Back MatterSource: The Scientific Monthly, Vol. 51, No. 2 (Aug., 1940), pp. v-viiiPublished by: American Association for the Advancement of ScienceStable URL: http://www.jstor.org/stable/17206 .

Accessed: 02/05/2014 21:23

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

This content downloaded from 130.132.123.28 on Fri, 2 May 2014 21:23:29 PMAll use subject to JSTOR Terms and Conditions

THE SCIENTIFIC MONTHLY-ADVERTISEMENTS v

I NFRARED PHlOTOGRlAPHY

For scientific, medical, documentary, and general pho- tography, for photomicrography, and for photoen-

graving there are available: Eastman Infra-Red Safety Film; Eastman Infra-Red Sensitive Plates; Eastman Infra-Red Process Plates; Kodak Infra-Red Film, for miniatu[re and roll-film cameras.

Foor spectroscopy, there are seven classes of infrared sensitizing; some of them can be applied to five different types of emulsions. They permit photography of the spectru-n to beyond 12,000 A.

Detailed information about the first group of mate- rials is the basis of the Kodak publication, Infrared Pho- tography with Kodak Materials price, 25 cents; data about the second group are included in the booklet, Photographic Plates for Use in Spectroscopy and Astron- omy--furnished free on request.

Be sure to visit the Kodak Building at the New York World's Fair -Kodak in Science,

Medicinie, Education . . . a New Cavalcade of Color . . . photographic experts to

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vi THE SCIENTIFIC MONTHLY-ADVERTISEMENTS

Recently Published EARLY PUBLICATIONS THE CARE OF A of the

SMALL RAT COLONY CARNEGIE INSTITUTION OFWASHINGTON By ROLLAND J. MAIN, Department of Physiol- A Few Copies Now Available at Reduced Prices ogy and Pharmacology, Medical College of Virginia.

101 pages, 12 illustrations. Durably bound. Pub. No. PRICE, postpaid, $2.00 5. Burnham, S. W. General Catalogue of

This new book is a report of the experiences han- Double Stars within 121i of the dling a rat colony at the Medical College of Virginia. North Pole. 2 volumes. $5.00 set It is a manual which could be given a technicianNotPle 2vlu s.$00e, totally unfamiliar with rats and is complete enough paper; $6.00 set, cloth. to enable him to learn the job by himself. 32. Dean, Bashford. Chirnaeroid Fishes The coverage is as follows: The Rooms. Equip-anThiDelo et.$00per ment. Cleaning and Painting. Rearing, Mating, and TheirDevelopment. $2.00paper; and Growth. Feeding. Economics. Diseases and $2.50 cloth. Vermin. Notes on the Assay of Vitamin D. Milk. 46. Adams, F. D., and E. G. Coker. An The Daily Routine. Investigation into the Elastic Con- C. V. MOSBY CO.-3525 PINE ST.-ST. LOUIS stants of Rocks, more especially with

reference to Cubic Compressibility. $1.00 paper; $1.50 cloth.

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Boiler Feed Water Control formance of the Screw Propeller. Residual Chlorine Control $0.25 paper; $0.50 cloth. and others. 110. Jones, Harry C., and J. A. Anderson.

Standard routine tests developed by LaMotte Re- Absorption Spectra of Solutions. search Department in cooperation with authorities $1.50, cloth only. in these fields. LaMotte outfits are standardized, The Carnegie Institution of Washington, accurate, inexpensive and easy to operate. Write Washington, D. C., has published some 750 for further information on the subject in which you volumes covering the wide range of its re- are interested.voueeoem th dernefisr-

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Originators of Practical Application of which you are interested, and catalogue will pH Control be sent upon request.

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THE SCIENTIFIC MONTHLY-ADVERTISEMENTS vii

Complete Equipment FOR ,

Explorers, Scientists, engineers, Hunters and Tavelers

We Have Equipped Many ~ Expeditions fErom the Poles to the Equator

Some of these exploring parties we equipped with practically everything they needed from engineering instruiments to rifles, ammunition and food. Our tents, made of Equatorial Water- proof Cloth, have stood the sun of the tropics and the freezing blasts of the Polar regions.

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Firearms-Ammunitions-Special Food Cases Have your Holsters, Belts, and Cases made in

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The Paulin Altimeter the most accurate aneroid used for leveling by engineers and geologists.

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viii THE SCIENTIFIC MONTHLY-ADVERTISEMENTS

TAYLOR Slide Comparators for pH,

Chlorine and Phosphate Control.

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The louvers, front and rear, cause a free circula- with standards and reading pH, chlorine, tion of cooling air throughout the lamp without loss or phosphate values directly from the slide. of light, so that even after extended use, the lamp All color standards carry an unlimited can be handled. The frosted daylight filter diffuses the light and gives uniform illumination approximat- guarantee against fading. ing daylight. Single Comparators ............ $15.00 A-1493 ADAMS Scopelite .............. each $. 2.50 Extra Slides, each ........ 7.50

dozen $25.00 Full information on Comparators and Cole- Write for discounts on larger quantities man Glass Electrode on requtest.

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ARE THESE 3 STATEMENTS ACCURATE?I

(1) You cannLot afford to miss even one important development in your own field, or an allied field of science.

(2) But you are much too busy on your own problems to read all the new scierntific books.

(3) Therefore you would enjoy having sound, impartial advice as to which really ARE the most significant scientific books of each month--especially if that advice cost you nothing.

JF the three foregoing statements are true in These famous leaders in science do the pre- your case-as with most alert scientists- liminary work of discovering and studying the

then only one point remains: Do you buy six books worthy of club members' serious atten- books a year? Six books of any kind-scien- tion. Their authoritative, concise reports are tific or otherwise? mailed free to members each month in the Sci-

entific Book Club Review. Of course the If you do, and if you will buy them from committee only suggests what books are out-

the Scientific Book Club at regular prices, then standing-they do not dictate your choice in you may have sounid, impartial advice at no any way. cost as to the leading scientific books published each month. That advice will come to you Beyond your agreement to take six books a from these distinguished scientists who make year in any field, there are no obligations of up the Editorial Committee of the Scientific any kind implicit in your membership in the Book Club: Scientific Book Club. No book will ever be

sent you until -you have had plenty of time to Kirtley F. Mather, Ph.D., Sc.D. decide from the Editorial Committee's report

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in and returning the coupon. There are no Edward L. Thorndike, Ph.D., Sc.D., LL.D. fees or dues; you need send no money.

Scientific Book Club, Inc. 7 80 Lafayette Street, New York, N. Y.I The Scie ific Book I You may enrol me as a subscriber to your service. I am not 1 7 f * committed to take more than six books during the coming year Glub functions 4s and I agree to notify you promptly during any Thonth in which

no book is wanted. The price of the book sent to me each month central clerI n ,is to be the publisher's price plus postage. A bill is to be sent a central clearzing I with each book and I agree to pay it within 10 days of receipt.

house for works of N SM4O

scientific interest. Adde. . . . City and State ..................................................................|

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A scientifically sound knowledge of the -nain facts of all the biological sciences

An appreciation of the far-reaching significance of these facts to man and the developmtent of his civili- zation . . . .

An insight into the methods by which life in its many forms is studied, and into the vast network of rela- tionships between living things . .

All this is now offered in the new text for survey or orientation courses in the biological sciences:

MAN and THE LIVING WORLD By E. E. Stanford, College of the Pacific and Stockton Junior College

This book gives the student a sound body of scientifically reliable in- formation on all the chief discoveries about the living world, emphasiz- ing the great importance of these discoveries to mankind. It includes a complete survey of both the plant and animal kingdoms; an up-to- date account of important findings in bacteriology and microbiology; a full section on food and nutrition, poisons, disease and its prevention; much interesting material on plant and animal breeding, soil conserva- tion, and other aspects of the agricultural sciences; a clear discussion of the human body, its structure and functions; and a well presented digest of the facts of evolution and heredity, including some interesting ma- terial on present racial groupings. The whole book is lavishly illus- trated. To be published in September. $3.50 (probable)

The Macmillan Company, 60 Fifth Avenute, New York

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