Back MatterSource: The Scientific Monthly, Vol. 57, No. 3 (Sep., 1943), pp. v-viiiPublished by: American Association for the Advancement of ScienceStable URL: http://www.jstor.org/stable/17992 .

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THE SCIENTIFIC MONTHLY v

Thotographic Plates for Use in

Spectroscopy and Astronomy

FIFTH EDITION

Anew, fully revised edition of this well-known publication is now available. In it are listed

the cliaracteristics of the special plates for scientific work which are made in the Kodak Research Labo- ratories. There are over one hundred kinds of these plates, distributed among seven basic types of emul- sion, each carefully prepared to provide desirable combinations of speed, contrast, granularity, and resolving power. They are sensitized in various ways to permit photography in spectral regions ranging

from the short-wave-length ultraviolet to the infra-

red at 12,OOOA. A copy of the new edition of the booklet

will be sent free upon request.

EASTMAN KODAK COMPANY

Research Laboratories Roehester, N. V.

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vi THE SCIENTIFIC MONTHLY

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THE SCIENTIFIC MONTHLY vii

"A4 Federaetion of th e MOSr IMPORTANT FORCES...."

T HERE is something new under the sun. It is science. Of course science started a long time ago, but the greater part of it has been developed in

this century. Within two or three generations it has transformed the world. Science has become an extraordinarily important and pervasive influence

upon human beings, whether considered as individuals or as members of so- ciety. It has provided undreamed-of physical comforts. It has opened up unparalleled opportunities for intellectual development and aesthetic enjoy- ment. And, alas! it has enormously increased the complexities of the relations among men.

In the promotion of science, the Association has played a distinguished role for 95 years. Through its 15 sections and 187 associated societies it cov- ers essentially the whole field of pure and applied science. Like science itself, the Association is not limited by national boundaries. Its membership extends throughout the world, including even such islands of the sea as Haiti, Jamaica and Tahiti.

The Association has been holding two meetings each year, at the Christ- mas holiday season and in June. At these meetings general addresses are delivered by distinguished American and foreign scientists; notable symposia are held on broad fields of science and on the effects of science upon education and civilizationi; and technical reports are presented by specialists in nearly every field of science and its applications. In a very real sense American science speaks to the world at the meetings of the Association. It looks anxiously toward the futuire of civilization, but it realizes that progress in the future will depend, as it has always depended in the past, upon growth in understanding.

The regular membership dues of the Association, including a subscription to the recently established A.A.A.S. Bulletin and to either Science or The Scien- tific Monthly, are $5 a year. A member can obtain both of the latter journals by paying $3 a year in addition to his membership dues, or a total of $8. Any member paying to the Association $100 at one time becomes a life member sub- ject to no further dues. A person paying $i,000 becomes a sustaining member. Persons having been members of the Association continuously for 50 years are automatically exempt from the payment of dues.

All persons who are workers in science, all who get pleasure in following its discoveries from electrons to galaxies of stars, from microorganisms to man, all who see in it and its application the promise of a better world in which to live, all who look hopefully toward it to provide a new basis for ethics and pos- sibly for religion-all these are cordially invited to become members of the Association.

THEI AMERICAN ASSOCIATION FOR THEI ADVANCEMENT OF SCIENCE

SMITHSONIAN INSTITUTION BUILDING WASHINGTON 25, D. C.

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viii TTE SCIENTIFIC MONTHLY

Publications of the American Association for the Advancement of Science

SYMPOSIA (7 x 10 inches, double columq, illustrated, cloth bound) Prices to

Members Others Tuberculosis and Leprosy. 24 authors; 133 pages. 1938 ... $2.50 $3.00 Syphilis (out of print). 33 authors; 193 pages. 1938 ...... 2.50 3.00 Recent Advances in Surface Chemistry and Chemical Physics.

9 authors; 133 pages. 1939 ....... ................... 2.50 3.00 The Migration and Conservation of Salmon. 9 authors; 106

pages. 1939 ........................................ 2.00 2.50 Mental Health. 94 authors; 478 pages. 1939 ............. 3.50 4.50 Problems of Lake Biology. 9 authors; 142 pages. 1939 .... 2.00 2.50 The Gonococcus and Gonococcal Infection (out of print).

45 authors; 171 pages. 1939 ....... ................... 2.50 3.00 Genetics of Pathogenic Organisms. 11 authors; 90 pp. 1940 2.00 2.50 Blood, Heart and Circulation. 53 authors; 339 pages. 1940 3.00 4.25 The Cell and Protoplasm. 17 authors; 211 pages. 1940 .... 2.50 3.00 Human Malaria. 42 authors; 406 pages. 1941 ... 4.00 5.00 Liebig and After Liebig-A Century of Progress in Agricul-

tural Chemistry. 9 authors; 119 pages. 1942 ......... 2.50 3.00 Aerobiology. 55 authors; 299 pages. 1942 ................ 3.50 4.00 Relapsing Fever. 25 authors; 136 pages. 1942 ............ 2.50 3.00 Fluorine and Dental Health. 13 authors; 107 pages. 1942 . 2.50 3.00 Laboratory Procedures in Studies of Chemical Controls of

Insects. 53 authors; 214 pages. 1943 ................ 3.50 4.00 Surface Chemistry. 15 authors; 168 pages. 1943 .......... 2.75 3.25

NONTECHNICAL PUBLICATIONS Prices to (6 x 81 inches, illtstrated, cloth bound) Members Others

Multiple Human Births-Twins and Supertwins. 1940 ..... $2.00 $2.50 Strange Malady-The Story of Allergy. 285 pages. 1941 .. 2.50 3.00 Alcohol Explored. 305 pages. 1942 . ..................... 2.25 2.75 Man's Food: Its Rhyme or Reason. (In press)

THE SCIENTIFIC MONTHLY

Through this recently acquired magazine, now in its 57th volume, the Association aims to interpret broadly to the thoughtful public the progress of science and its relations to the problems confronting civilization. Subscrip- tions, $5 per calendar year; 50 cents per copy.

THE A.A.A.S. BULLETIN

The Bulletin is published monthly by the Association and is sent without charge to all members. To others, 10 cents per copy.

For further information about the Association see page vii of this issue. Address all correspondence to the Office of the Permanent Secretary.

American Association for the Advancement of Science Smithsonian Institution Building Washington 25, D. C.

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THE HARVARD BOOKS - - ON ASTRONOMY

Edited by HARLOW SHAPLEY and BART J. BOK Harvard College Observatory

New * Atoms, Stars and Nebulae 150 Illus. This, the latest volume in the Harvard Series on Astronomy gives the reader 323 Pages a thrill of discovery as he probes into the seething atmospheres of the stars and

$2.50 even digs into their interiors. It discusses single stars, double stars, dwarf and giant, cool and hot stars, stars that pulsate and some whose surface layers (1943) are suddenly wrenched away in cataclysmic stellar explosions. There is a

fascinating discussion of stellar rainbows, atoms, molecules, etc. By Leo Gold- berg and Lawrence H. Aller.

Between the Planets 106 Illus. In summarising our knowledge of comets, meteors, asteroids and meteorites, this 222 Pages book gives a description of the latest discoveries and considers the multitude of vexing problems yet unexplained. The history of comets, motions and numbers

$2.50 of asteroids, meteor showers, etc., are some of the subjects discussed. By (1941) Fletcher G. Watson.

Earth, Moon and Planets 140 Illus. A concise, well illustrated account of the planets and their atmospheres with a 293 Pages discussion of the possibilities of life outside the earth is presented in concise, a non-technical language. The reader is carried in his imagination below the $2.50 clouds on Venus, Mars and the giant red planets, into the depths of the earth

(1941) and to the rough and airless surfaces on the Moon, Mercury and Pluto. A planet finder and star chart is included. By Fred L. Whipple.

The Milky Way 93 Illus. This book presents in semi-popular form, a summary of our present knowledge

204 Pages of the Milky Way and explains some of the problems which remain to be solved. The dust and gas in the vast spaces between the stars, the compositions and

$2.50 dimensions of star clusters, the appearance of our galaxy to an observer in the (1941) Andromeda nebula and the problems related to the past and future of our galaxy

are discussed. Two large scale photographic maps of the Milky Way and por- traits of our leading scientists in the field are included. By Bart J. Bok and Priscilla F. Bok.

The Story of Variable Stars 82 Illus. The cepheid variables provide not only information about the deep interiors of

226 Pages stars, but they also prove to be a useful yardstick for sounding the universe. $2.50 l'he book introduces the reader to the technique of observation and then pro- $2.50 ceeds to analyse the present state of our knowledge of variable stars. A list (1941) of brighter variables, a Julian calendar and other uset'ul tables are included.

-By Leon Campbell and Luigi Jaeehia.

PHILADELPHIA 5 THE BLAKISTON COMPANY

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- Books from the

CAMBRIDGE UNIVERSITY PRESS

PHYSICS AND PHILOSOPHY

by SIR JAMES JEANS $2.75 Sir James explores the borderland between physics and philosophy. "Easy and charming to read as 'Alice in Wonderland,' champagne for thinkers, fascinating as a novel." -N. Y. Journal-American.

BIOCHEMISTRY AND MORPHOGENESIS

by JOSEPH NEEDHAM $12.50 This book is concerned with the great problem of the relation be- tween morphology and chemistry; greatest attention is given to bio- chemical investigation of the mor- phogenetic hormones.

THE IRISH STONE AGE by HALLAM L. Movius, JR. $7.50 A comprehensive and interesting ac- count of the life and industries of Irish civilization in the transition between the Old Stone Age and the full Neolithic.

ON GROWTH AND FORM by SIR D'ARCY W. THOMPSON

$12.50 "A beacon light for all."-Scientific Monthly. "A fascinating guide for traveling an unusual route through the worlds of aesthetics, mathemat- ics, mechanical engineering, colloidal chemistry, biology, and the history of science."-Anatomical Record.

SCIENCE, RELIGION, AND THE FUTURE

by CHARLES E. RAVEN $2.00

An indictment of the failure of both Science and Religion, and a challenge to moral and scientific leaders to provide guidance, if civili- zation is not to grow bankrupt.

HEAT ENGINES by D. A. WRANGHAM $10.50

The book follows an easy logical sequence from the elementary prin- ciples to specialized details; at each stage both the theory and modern practice are exhaustively studied.

THE GENETICS OF THE MOUSE

by HANS GRUNEBERG $7.00

This is likely to be the standard treatise on the subject and to retain its importance for many years; it should be useful to geneticists, em- bryologists, physiologists, patholo- gists and others.

AN INTRODUCTION TO PLANE GEOMETRY

by H. F. BAKER $4.00 A new approach to plane geometry intended to eliminate the notion of distance as an axiom and to give the so-called imaginary elements equal standing with the real elements.

CAMBRIDGE UNIVERSITY PRESS THE MACMILLAN COMPANY

60 FIFTH AVENUE NEW YORK 11, N. Y.

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