Page:Popular Science Monthly Volume 43.djvu/895

 Vol. XLIIL] Established by Edward L. Youmans. [No. 4.

POPULAR SCIENCE MOKTILY.

��AUGUST, 1893. EDITED BY WILLIAM JAY YOUMAKS.

CONTENTS. TAGE

I, Studies of Animal Speech. By Prof. E. P. Evans 433

II. Learn and Search. By Prof. Rudolph Viechow 440

III. Protection from Lightning. By Alexander McAdie. (Illus.). 453

IV. Success with Scientific and other Meetings. By George Iles. . 463 V. Professor Weismann's Theories. By Herbert Spencer 473

VL The Color Changes of Frogs. By Prof. C. M. Weed. (Illus.). 490 VII. Why a Film of Oil can calm the Sea. By G. W. Littlehales.

(Illustrated.) 494

VIII. How Plants and Animals Grow. By Dr. Manly Miles 503

IX. The Revival of Witchcraft. By Ernest Hart. (Concluded.). 516 X. Some Remarkable Insects. By William J. Fox. (Illustrated.). 527 XL The Material View of Life and its Relation to the Spiritual.

By Prof. Graham Lusk 533

XII. Sealing in the Antarctic 539

XIII. Honey and Honey Plants. By Dr. G. G. Groff 545

XIV. Sketch of Paolo Mantegazza. By Prof. Frederick Starr.

(With Portrait.) 549

XV. Editor's Table : a Great Work concluded 552

XVI. Literary Notices 554

XVII. Popular Miscellany 565

XVIIL Notes 575

NEW YORK: D. APPLETON AND COMPANY,

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COPYHIGHT, 1893, BT D. APPLETON AND COMPANY. Entered at the Post-Offlce at New York, and admitted for transmission through the mails at second-class rates.

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