INDEX. 777 



PAGE 



Science vs. Art of Chemistry 691 



" Philanthropic Fanaticism and 363 



" The Diffusion of 497 



Scientific Education, Prof. Martin on 368 



Seed-Production in the Sugar-Beet 122 



Seguin, Dr. E., Prenatal and Infantile Culture 38 



Selenium, Action of Light on 116 



Settlements, Aboriginal, of the Pacific Coast'. (Illustrated.) 353 



Sewage Utilization 123 



Sexual Selection among the Monkeys 379 



Sharks 348 



Shells from Colorado 248 



Signal, An Improved, for Railroads 253 



Simmons, "W. E., Gas-Manufacture 478 



Size of the Principal Telescopes in the World 574 



Smith, Adam, Honor to .' 496 



Societies for the Diffusion of Science 497 



Soil, Color of, its Influence 635 



Solar Distillery 758 



Some Questions answered 616 



Spencer, Herbert, Primitive Marriage 272 



Spencer's Classification of Sciences 609 



Spider, A Fishing 762 



Spontaneous Generation 757 



Statistics, Vital ' 697 



Steam, Economy in Use of. 382 



Struggle for Existence 382 



Studies of an Engineer 509 



Study and Teaching of Biology 298 



Study of Biology 527 



Sugar-Beet, Seed-Production in 122 



Sulphurous Acid as a Disinfectant 762 



Summer School of Natural History 766 



Sun, Distance and Dimensions of the. (Illustrated.) 402 



Supplement to the Glacial Theory 112 



Talking by Telegraph 507 



Telescopes, Size of the Principal 574 



Tenney, S., Plant-Eaters 678 



Theories of Primitive Marrriage 272 



Thomson, Sir W., Sketch of. (Portrait.) 357 



Tomato-Plant, The, as a Protection against Insects 250 



Tools, Mechanical. (Illustrated.) 173 



Transfusion of Blood 761 



Transmission of Habit * 380 



Trial of Galileo 385 



Trowbridge, J., Annihilation of the Mind 715 



Tyndall and Roberts on Abiogenesis 757 



Tyndall, John, Fermentation 129 



" " Infective Atmosphere 641 



" " Glen Roy 309 



