I]^ DEX 



PAOB 



About Snakes 571 



Africa, Population of.'. 426 



Algeria, Cost of the Proposed Lake in 139 



Ancient Methods of Filtration 495 



Ancient Uses of Cork 429 



Animal Mounds in the Pyrenees 135 



Animal Transformations, New Views of. (Illustrated.) 625 



Anthropometric Observation 431 



Anthropology, Recent 145 



Antiquity of Man 572 



Arago's Statue, The Inauguration of. 114 



Archasopteryx, Carl Vogt on the 136 



Arithmetic, Early Methods in 204 



Arsenic in Kindergartens 694 



Arsenic in the Household and School 715 



Artesian WeUs and the Great Sahara 530 



Association of Ideas. (Illustrated.) 577 



Astronomical Discoveries, Announcement of 715 



Athletics in Schools 677 



Atlantis, On 266 



Authorship, Intellectual Straining in 93 



Bain, Alexander, On John Stuart Mill. 25, 311, 501 



Bain on the "Data of Ethics" 210 



Bennett, A. Hughes 519 



Billson, William W., on the Origin of Criminal Law 433 



Bird-Reasoning 139 



Bolton, Professor H. Carrington 495 



Books noticed : 



" Ethics of Science and Duty " (Bascom) • 125 



" Freedom m Science and Teaching " (Haeckel) 127 



" Geological Survey of Ohio," Vol. Ill 129 



" Distribution of Heat in the Spectra of Various Sources of Radia- 

 tion " (Jaynes) 130 



" A Defense of Philosophic Doubt " (Balfour) 1-30 



" The Science of the Bible " (Woolley) 131 



" Nests and Eggs of American Birds " (Ingersoll) 131 



" The Evidence of the Senses " (Stevenson) 131 



" Haeckel's Genesis of Man " (Ward) 132 



" Easy Lessons in Popular Science " (Monteith) 133 



TOL. XVI. — 55 



