Vol. LIL] Established by Edward I, ^oumans. [No. 6. 



APPLETONS' 



POPULAR SCIENCE 



MONTHLY. 



APRIL, 1898. 

 EDITED BY WILLIAM JAY YOUMANS. 



CONTENTS. p Aain 



I. An Industrial Object Lesson. By S. N. D. North 721 



II. The Electric Transmission of Water Power. By William Bax- 

 ter, Jr. (Illustrated.) 730 



III. Criminal Anthropology in Italy. By Helen Zimmern. (Illus.). . . 743 



IV. The Question of Wheat. I. By Worthington C. Ford 760 



V. A Spring Visit to Nassau. By Emma G. Citmmings. (Illus.) 772 



VI. Migration. By Prof. W. K. Brooks, LL. D 784 



VII. Principles of Taxation. XVII. The Case of Kirtland vs. Hotch- 



kiss. By Hon. David A. Wells 798 



VIII. Evolution and Teleology. By the Rev. Dr. J. A. Zahm, C. S. C. . . 815 



IX. Discovery of New Chemical Elements. By Clemens Winkler. . . 825 



X. The Significance of Language. By Michel Breal 832 



XI. Sketch of Carl Semper. (With Portrait.) 837 



XII. Editor's Table : Evolution and Design 843 



XIII. Scientific Literature 846 



XIV. Fragments of Science 855 



XV. Index to Volume LII 865 



NEW YORK: 

 D. APPLETON AND COMPANY, 



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 Single Number, 50 Cents. Yearly Subscription, $5.00. 



Copyright, 1898, by D. APPLETON AND COMPANY. 

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