Vol. XLVII.J Establishe d by Edw ard L. Youmans. [No. 4. 



POPULAR" SCIENCE 

 MONTHLY. 



AUGUST, 1895. 



EDITED BY WILLIAM JAY YOUMANS. 



CONTENTS. 



PAGE 



I. Professional Institutions. IV. Orator and Poet, Actor and 



Dramatist. By Herbert Spencer 433 



II. New Chapters in the Warfare of Science. XX. From the Divine 

 Oracles to the Higher Criticism. III. The Continued Growth 

 of Scientific Interpretation. By A. D. White, LL. D., Ph. D. 446 



III. Art and Eyesight. By Lucien Howe, M. D. (Illustrated.) .... 458 



IV. The Physical Element in Education. By Prof. E. L. Richards. 471 



V. Apparatus for Extinguishing Fires. Development of American 



Industries since Columbus. XIX. By John G. Morse. (111.) 477 

 VI. The Motive for Scientific Research. By Hubert Lyman Clark. 501 

 VII. Pleasures of the Telescope. VI. From Lyra to Eridanus. By 



Garrett P. Serviss. (Illustrated.) 508 



VIII. Argon. The New Constituent of the Air. By Dr. J. T. Stoddard. 522 

 IX. The Nervous System, and its Relation to Education. By John 



Ferguson, M. D., Ph. D 528 



X. To Barbava. By Prof. David Starr Jordan. (With Portrait. ) 538 



XL The Work of Ideas in Human Evolution. By Gustave Lb Bon 541 



XII. Sketch of Charles Upham Shepard. (With Portrait.) 548 



XIII. Editor's Table : The Sphere of Science. Prof. Huxley Honor not Honors. ;>>! 



XIV. Literary Notices ' ),)! ' 



XV. Popular Miscellany :,,i,i 



XVI. Notes " )7: > 



NEW YORK: 

 D. A PPL ETON AND COMPANY, 



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Copyright, 1895, by D. APPLETON AND COMPANY. 

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