■ 



9 ¥» 



Vol. LIV.J Established by Edward L. Youmans. [No. 1. 



APPLETONS' 

 POPULAR SCIENCE 



MONTHLY. 



A/ 



NOVEMBER, 1898. * <*•<■«* 



EDITED BY WILLIAM JAY YOUMANS. * /* 



CONTENTS. PAGE 



I. Was Middle America Peopled from Asia ? By Prof. E. S. Morse. . 1 



II. The Possible Fiber Industries of the United States. By Charles 



Richards Dodge. (Illustrated.) 15 



III. What is Social Evolution ? By Herbert Spencer 35 



IV. The Torrents of Switzerland. By Edgar R. Dawson, M. E 46 



V. The Evolution of Colonies. V. Political Evolution. By J. Collier.. 52 



VI. Architectural Forms in Nature. By F. S. Dellenbaugh. (Illus.). 63 



VII. The Herds of the Yellow Ant. By James Weir, Jr., M. D. (Illus.). 75 



VIII. Two Gifts to French Science. By M. Henri de Parville. (Illus.). 81 

 IX. The Mongoose in Jamaica. By C. W. Willis. (Illustrated.) 86 



X. The Cause of Rain. By J. R. Plumandon 89 



XI. Dream and Reality. By M. Camille Melinand 96 



XII. A Practical Dutch Charity. By Prof. J. Howard Gore ,. 103 



XIII. Sketch of Frank Wigglesworth Clarke. (With Portrait.) 110 



XIV. Correspondence : The Moon and the Weather • • H8 



XV. Editor's Table : The Goal of Education.— A Doubtful Appendix to Science. 



— The Cause of Spain's Decadence. — Dream and Reality 118 



XVI. Scientific Literature 126 



XVII. Fragments of Science 135 



NEW YORK: 

 D. APPLETON AND COMPANY, 



72 FIFTH AVENUE. 

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



Copyright, 1898, by D. APPLETON AND COMPANY. 

 /Entered at the Post Office at New York, and admitted for transmission through the mails at second-class rates. 



