INDEX. 873 



PAGE 



St. Gothard Tunnel, The 530 



Struve, Otto Wilhelm, Sketch of. (With Portrait.) 263 



Suicide, A Consideration of 120 



Sully. James, the Pleasure of Visual Form 77 



Summer Schools of Natural History 279 



Tea and Coffee, Physiological Effects of * 853 



Temperatures in the Pacific and Atlantic Oceans 710 



Thompson, Daniel G., Letters from 120, 405 



Tissandier, Gaston, Atmospheric Dust 344 



Tyndall, Professor John, F. E. S., Goethe's Farbenlehre 215, 312 



Violin, The, its Construction and Perfection 423 



Visual Form, Pleasure of 77 



Vivisection, What it has done for Man 711 



Vocal Cords, Stammering of the 141 



Volcano rising from a Lake 713 



Volcanic Eruptions and Earthquakes in 1879 713 



Warring, C. B., the Solar System and its Neighbors 612 



Watches, A Test for 283 



Water, Germs of Disease in 570 



Watering-Places, Sanitary Perils at 426 



Wellcome, II. S., the Cinchona-Forests of South America 507 



Wernich, Dr. A 828 



Wild Silks 137 



Wilson, Dr. Andrew, Some Facts and Fictions of Zoology 96 



Wohler, Frederick, Biographical Sketch of 539 



Youmans, Eliza A., Chemical Exercises for Ordinary Schools 522 



Zadig, On the Method of 467 



Zanzibar, Climate and Meteorology of 857 



Zoological Education 666 



Zoology, Some Facts and Fictions of. 96 



EXT) OF VOL. XVII. 



