VOL. LI.J ESTABLISHED BY EDWARD L. YOUMANS. [No. 6. 



APPLETONS' 

 POPULAR SCIENCE 

 MONTHL 



OCTOBER, 1897. 

 EDITED BY WILLIAM JAY YOUMANS. 



CONTENTS. PAGB 



I. The Racial Geography of Europe. IX. Italy. By Prof. WILLIAM 



Z. RIPLEY. (Illustrated.) 721 



II. Franklin's Kite Experiment. By ALEXANDER McAoiE. (Illus.). 739 



III. The Psychology of Belief. By W. B. PARKER 747 



IV. Free-Hand Drawing in Education. By H. G. FITZ. (Illustrated.). 755 

 V. Principles of Taxation. XL By Hon. DAVID A. WELLS 765 



VI. " Some Unrecognized Laws of Nature." By Prof. C. H. HENDERSON. 776 



VII. Science at the University of Chicago. By Prof . F. STARR. (Illus.). 784 



VIII. The Idea of Murder among Men and Animals. By G. FERRERO . . 805 



IX. A Decade in Federal Railway Regulation. By H. T. NEWCOMB. . 811 



X. Early American Chemical Societies. By Prof. H. C. BOLTON 819 



XL The Economic Value of Animals. By CHARLES F. HOLDER 827 



XII. Sketch of Louis Figuier. By IDA M. TARBELL. (With Portrait.). 834 



XIII. Editor's Table : Meeting of the American Association at Detroit. The To- 



ronto Meeting of the British Association 842 



XIV. Scientific Literature 846 



XV. Fragments of Science 855 



XVI. Index to Vol. LI.. . 865 



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