INDEX. 789 



PAGE 



" Prehistoric Races of the United States " (by Foster), Notice of 646 



Primary Concepts of Modern Physical Science 705 



Prohlems of the Deep Sea 448 



Prophecy, Secular 732 



Psychology, The New 32 



Quatrefages on Human Crania 779 



Quinine, Substitute for 527 



Pace, A Singular 525 



Kailway Locomotion, Economy of 146 



Eemarkable Diamonds 251 



"Eeport on the Noxious, Beneficial, and other Insects of Missouri" 518 



"Eeport of the Board of Directors of the St. Louis Public Schools" 518 



Eeport on a Topographical Survey of the Adirondack Wilderness 519 



Reproduction of Eyes in Crawfish 525 



Eespiration, Artificial, in Snake-Poisoning 655 



Eiver-Beds, Changes in 127 



Sack-Tree 527 



" Sanitary Engineering " (by Latham), Notice of 772 



Schools, Geography in 389 



Science, its Sphere and Limits 105 



" Speculation in 741 



" in Educational Discipline 510 



" its Dangers and Securities 240 



" Physical, its Primary Concepts 705 



Scientific Education, Aims of 639 



" " in the Far West 391 



" " in England 651 



" Normal Schools 113 



" Theorizing 245 



Sea-Depths, how they are explored (Illustrated) 257 



Seal-Fishery 125 



Sea-Salt, Production of, in Portugal 252 



Selection, Natural 22 



" Second Book of Botany " (by Miss E. A. Youmans), Notice of 648 



Secular Prophecy 732 



Selection, Natural, in Politics , 230 



Sex in Butterflies 252 



Sherman Astronomical Expedition 72 



Sierra Leone, Education in 396 



Silk-Worms and Sericulture 657 



Smith, Prof. J. Lawrence, his Address 762 



Snake-Poisoning, Artificial Respiration in 655 



Snakes swallowing their Young 783 



Sociology, The Study of. 45, 172, 340, 594, 676 



Sounds, Audible and Inaudible 780 



Spectroscope, and the Bessemer Process 254 



Speculation in Science 741 



Speech, Tongueless 627 



