Vol. XLIV.] Established by Edward L. Youmans. [No. 2. 



POPULAR SCIEICE 

 lOITHLI 



DECEMBER, 1893. 



EDITED BY WILLIAM JAY YOUMAJVS. 



CONTENTS. PAOK 



I. The Story of Bob. By David Starr Jordan. (Illustrated,).. . 145 



II. How Old is the Earth ? By Prof. Warren Upham 153 



III. Modern War Vessels of the United States Navy. By W. A. 



DoBsoN, M. S. N. A. (Illustrated by C. C. Dodge.) 164 



IV. Evolution and Ethics. By Prof. T. II. Huxley. (Concluded.). 178 

 V. Evolutionary Ethics. By Robert Mathews 192 



VI. The Creation : a Penobscot Indian Myth. By Abby L. Alger. . 195 



VII. State Interference in Social Affairs. By Joseph S. Nicholson . . 196 



VIII. The Fruit Industry in California. By Charles H. Shinn. (Illus.) 200 



IX. Criminal Woman. By Miss Helen Zimmern 218 



X. Ethics and the Struggle for Existence. By Leslie Stephen . . . 224 

 XI. The Calumet in the Champlain Valley. By Prof. G. H. Per- 

 kins. (Illustrated.) 238 



XII. The Essays of Jean Rey. By MM. L. A. Hallopeau and Alb. 



PoissoN 247 



XIII. Sketch of Sir Daniel Wilson. By Horatio Hale 256 



XIV. Correspondence : A Critic Criticised. Colored Audition 266 



XV. Editor's Table : Science and Civilization. A Scientist, but not a Philosopher 267 



XVI. Literary Notices 270 



XVII. Popular Misc^ellany 278 



XVIIL Notes 287 



NEW YORK: 

 D. APPLETON AND COMPANY, 



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Copyright, 1893, by D. APPI-ETON AND COMPANY. 

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



