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Front MatterSource: The Scientific Monthly, Vol. 33, No. 2 (Aug., 1931), pp. i-viiiPublished by: American Association for the Advancement of ScienceStable URL: http://www.jstor.org/stable/15254 .

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THE AUGUST

SCIENTIFIC MONTHLY

EDITED BY J. MCKEEN CATTELL

BIOLOGICAL OPPORTUNITIES IN SIAM. PROFESSOR GORDON ALEEXANDER ........................................................................ ........................... ...... 97

DEVELOPMENT OF THE EGG FROM THE STANDPOINT OF THE GENETICIST. DR. C. W. METZ ........................................................ .......... 117

THE WATER SUPPLY OF CITIES IN THE UNITED STATES. PROFESSOR ROBERT M. BROWN .135

WHENCE OUR METALS? NAHUM SABSAY .142

INSECTS IN ENGLISH POETRY. PEARL FAUILKNER EDDY . 148

SCIENCE SERVICE RADIO TALKS: MATERIAL CULTURE AND THE RACIAL MATRIX. DR.

WALTER HOUGH .164

CHARTING THE SEA AND THE AIR. REAR ADMIRAL W. R. GHERARDI, U. S. N . .168

THE THIRST OF PLANTS. DR. D. T. MAcDOUGAL .171

THE EXTIRPATION OF ONE BUTTERFLY BY ANOTHER. AUSTIN H. CLARK. 173

PHOTOMICROGRAPHY WITH ULTRA-VIOLET LIGHT. A. P. H. TRIVELLI.I.I. . . . . . . . . . ..... . .175

THE PROGRESS OF SCIENCE: The Pasadena Meeting of the American Association for the Ad- vancement of Science, PROPESSOR E. C. WATSON; Appreciation of the Pasadena Meeting by the Director of the Press Service, AUSTIN H. CLARK; Dr. L. 0. Howard and the Capper Award, PROFESSOR GLENN W. HERRICK; The Capper Award, SENATOR ARTHUR CAPPER. 181

THE SCIENCE PRESS LANCASTER, PA.-GRAND CENTRAL TERMINAL, N Y. CITy-GARRISON, N. Y.

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THE SCIENTIFIC MONTHLY-ADVERTISEMENTS i

Sudhoff's First Book in English

ESSAYS IN THE HISTORY OF MEDICINE

By

KARL SUDHOFF, M.D. Professor of History of Medicine in the University of Leipzig, 1895-1924

Translated by various hands and edited, with foreword and biographical sketch,

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ical Archaeology Archives XI. Medicine in the Stone Age XXVII. Medicine and Art

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iv THE SCIENTIFIC MONTHLY-ADVERTISEMENTS

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THE SCIENTIFIC MONTHLY-ADVERTISEMENTS v

Social Sciences In this important--scientific field, the University of California Press has

published one complete vrolume, and a second is in progress, on

MEXICAN LABOR in the UNITED STATES By PAUL S. TAYLOR

No. 1 of Vol. II deals with the steel workers of Bethlehem, Pennsylvania

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University of B erkeley California Press

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vi THE SCIENTIFIC MONTHLY-ADVERTISEMENTS

Vol. XXXIII, No. 2 AUGUST, 1931 Whole No. 191

The Scientific Monthly An Illustrated Magazine Devoted to the Diffusion of Science

J. McKEEN CATTELL, Editor WARE CATTELL, Associate Editor

Published by THE SCIENCE PRESS LANCASTER, PA.-NEW YORK, N. Y., Grand Central Terminal-GARRISON, N. Y.

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THE SCIENTIFIC MONTHLY-ADVERTISEMENTS vii

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viii THE SCIENTIFIC MONTHLY-ADVERTISEMENTS

Bureau of Soils Conductivity Bridge

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