INDEX. 771 



PAGE 



"First Book of Botany " (by E. A. Youraans), Notice of 120 



Fish as Food 247 



Flying Beptiles of the Chalk Formation in Kansas 380 



Food, Nutritive Salts of 405 



" Forms of Water " (Tyndall), Notice of 245 



Fossil Flowers and Insects 252 



Four-legged Fish 636 



Frogs and Eeptiles, Chameleonization in 376 



Fungi in Cow's Milk 636 



Gastric Juice, Late Researches on the 371 



" Geological Surveys of Ohio," Notice of Report on 630 



Germany, Scientific Advance in 251 



Germination, Cold in 254 



Gray, Prof., Sketch of (with Portrait) 491 



Gun-Cotton, Spontaneous Explosions of. 376 



Guns, Length of. 372 



Has our Climate changed ? 665 



"Healthy Houses," Eassie, Notice of 628 



Herbert Spencer and Dr. Carpenter 754 



Higher Education, Modern Literatures in 396 



Hints on House-building 126 



Hooker, Dr., and the Kew Gardens 762 



" How Plants behave," Gray, Notice of 502 



Human Nature, The Study of 327 



Hydrogen Flame, Observations on the 377 



Hydrophobia, Chloral Hydrate in 507 



Imported Enemies 620 



Impure "Water, Tests of 250 



Insects and Flowers 758 



" Instinct " (by P. A. Chadbourne), Notice of 117 



Intellect, Town and Country as Producers of 600 



Iron and Civilization 339 



Is there a Social Science ? 159 



Judges, Juries, and Insanity 440 



Jute 761 



Knowledge, Loose and Accurate 238 



Labor, The Source of 40 



Lagoon Islands, Elevation of, in the Pacific 506 



Lead Pipes, Action of Sewage-Gas on 251 



Length of Guns 372 



Lessons from a Brick 633 



Liebig's Extract of Meat 373 



Life in the Aquarium 434 



Lightning-Rods, The Office of. 639 



Long Island Conglomerate 632 



Loose and Accurate Knowledge 238 



