v„l. lvii. No. i. AUGUST, 1900. 



THE 



POPULAR SCIENCE 

 MONTHLY. 



>~~ "». 



EDITED BY J. MoKEEJf CATTELL. \ 





CONTENTS 



Professor E. S. Woodward, President of the American Association 



for the Advancement of Science. (Frontispiece.) 338 



Rhythms and Geologic Time. G. K. Gilbert 339 



The Photography of Sound Waves. Professor R. W. Wood 354 



The Psychology of Eed. Havelock Ellis 365 



Chapters on the Stars! Professor Simon Newcomb 376 



Colonies and the Mother Country. James Collier 390 



Causes of Degeneration in Blind Fishes. Professor Carl H. 



ElGENMANN 397 



The Evolution and Present Status of the Automobile. William 



Baxter, Jr 406 



Scientific Results of the Norwegian Polar Expedition. General A. 



W. Greely 420 



Discussion and Correspondence : 



Legislation against Medical Discovery. President C. W. Eliot. The Higher 

 Education for Colored Youth. Andrew F. Hilger 436 



Scientific Literature : 



Geology ; Geography ; Zoology ; Ornithology 439 



The Progress of Science : 



The Address of the Retiring President of the American Association for the 

 Advancement of Science : The President of the Meeting ; The Proceedings of 

 the Association ; Anthropometry ; The Quantitative Study of Variation ; The 

 Cave Fauna of North America ; The Officers of the Association ; The National 

 Educational Association ; University Summer Schools ; The International Cata- 

 logue of Scientific Literature 442 



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