Vol. LIV.] Established by Edward L. Youmans. [No. 3. 



APPLETONS' 





POPULAR SCIENCE 

 MONTHLY. 



JANUARY, 1899. 

 EDITED BY WILLIAM JAY YOUMANS. 





CONTENTS. PAM 



I. The Evolution of Colonies. VI. Industrial Evolution. By James 



Collier 289 



II. The Mind's Eye. By Prof. Joseph Jastrow. (Illustrated.) 299 



III. Nature Study in the Philadelphia Normal School. By L. L. W. 



Wilson, Ph. D 313 



IV. Principles of Taxation. XX. The Diffusion of Taxes. By the 



Late Hon. David A. Wells 319 



V. Our Florida Alligator. By I. W. Blake. (Illustrated.) 330 



VI. The Racial Geography of Europe. The Jews. II. By Prof. 



William Z. Ripley. (Illustrated.) 338 



VII. True Tales of Birds and Beasts. By David Starr Jordan 352 



VIII. Glacial Geology in America. By Prof. Daniel S. Martin 356 



IX. Modern Studies of Earthquakes. By Georg Geraland 362 



X. A Short History of Scientific Instruction. By Sir J. N. Lockter . . 372 

 XI. Should Children under Ten learn to Read and Write ? By Prof. G. 



T. W. Patrick 382 



XII. Soils and Fertilizers. By Charles Minor Blackford, Jr., M. D. . 392 



XIII. Sketch of Friedrich August Kekule. (With Portrait.) 401 



XIV. Editor's Table : A Voice from the Pulpit.— Lessons of Anthropology.— An 



Example of Social Decadence. — The Advance of Science 409 



XV. Scientific Literature 415 



XVI. Fragments of Science 425 



NEW YORK: 

 D. APPLETON AND COMPANY, 



73 FIFTH AVENUE. 

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



Copybight, 1898, bt D. APPLETON AND COMPANY. 

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



