532 



INDEX. 



Sand, sonorous, of Sinai, Bolton, 151. 

 Schmidt, A., Geologie des Miinsterthals, 



72. 

 Seandinavia, geological map, 521. 

 Schuster, A., diurnal variation of terres- 

 trial magnetism, 411. 

 Scott, W. B., Mammalia of the Uinta 



formation, 403. 

 Seamon, W. H., zinciferous clays of 



southwest Missouri, 38. 

 Sedgwick and Murchison, Dana, 167, 



235. 

 Seely, H. M., calciferous formation in 



the Champlain Valley, 235. 

 Selwyn, A. R. C, tracks in rocks of the 



Animikie group, 145. 

 Sheldon, S., neutralization of induction, 



17. 

 South America, geology of northern, 



Karsten, 319. 

 Spectra of chemical elements, structure 



of, Rydberg, 400. 

 Spectrum of aqueous vapor, mountain 



study of, Cook, 258. 

 Spectrum of C Ursa Majoris, Pickering, 



46. 

 Squinabol, S., contribuzioni alia Flora 



Fossile<dei Terreni Terziarii della Li- 



gurio: I-II, 72. 

 Steinmann, G-., Elemente der Palaontolo- 



gie, 240. 

 Stoddard, J. T., improved wave appara- 

 tus, 218. 



Tarr, R. S., topographic features of cen- 

 tral Texas, 306 ; Lower Carboniferous 

 limestone series in central Texas, 

 404. 



Telescope and scale reading, simple 

 modification of method, Dubois, 66. 



Tension, superficial, studied by photo- 

 graphy, 519. 



Thermo-electricity, DeCoudres, 317. 



Texas, central, topographic features of, 

 Tarr, 306; Lower Carboniferous of, 

 404. 



Thompson, S. P., Elementary Lessons in 

 Electricity and Magnetism, 235. 



Thorpe, T. E., Dictionary of Applied 

 Chemistry, 519. 



Torrey, J., Jr., Iowa meteorites, 521. 



Trowbridge, J., neutralization of induc- 

 tion, 17; physical notices, 66, 153, 

 233, 316, 399, 519. 



Tunzelmann, G. W. de, Electricity in 

 Modern Life, 401. 



Vibrations, experiments with Hertz's, 



G. P. Fitzgerald, 233. 

 Viscosity of solids, liquids, gases, Barus, 



234. 

 Volcanic soils, Italian, Ricciardi, 404. 

 Volcanoes, Characteristics of with facts 



from the Hawaiian Islands, Dana, 323. 



w 



Walcott, C. D., review of Dr. R. W. 

 Ells's Report on Geology of portion of 

 Province of Quebec, 101; notice of 

 N. Y. Report, including Clarke on the 

 Hercynian Fauna, 155. 



Waldo, F., recent contributions to dy- 

 namical meteorology, 280. 



Ward, L. F., notice of a paper of fossil 

 plants of British America, 520 ; of 

 Fontaine's Potomac Flora, 520. 



Wave-motion apparatus, Stoddard, 218. 



Weed, W. H., Carbonic acid and other 

 gaseous emanations of Death Gulch, 

 320 ; Diatom beds and bogs of Yellow- 

 stone Park, 321. 



Wells, H. L., analyses of Branchville 

 phosphates, 201. 



White, D., Cretaceous plants from Mar- 

 tha's Vineyard, 93. 



Whittle, C. L., trap sheets of Connecti- 

 cut Valley, 404. 



Willcox, J., identity of modern Fulgur 

 perversus with Pliocene F. contrar- 

 ius, Conrad, 352. 



Williams, G. H., celestite from Mineral 

 Co., W. Virginia, 183; hornblende of 

 St. Lawrence Co., N. Y., 352. 



Williams, H. S., Devonian system of 

 Devonshire, 31. 



Willson, R. W., magnetic field in Jeffer- 

 son Physical Laboratory, 87, 456. 



Winchell, N. H.. Geological Survey ot 

 Minnesota, 1888, 67. 



Wood, J. W., Jr., geographical develop- 

 ment of northern New Jersey, 404. 



Woodward, A. S., Catalogue of British 

 fossil Vertebrata, 402. 



Yeates, W. S., new localities of ptiena- 

 cite, 325. 



Zoological bibliography, 163. 

 Zoology — 



Arthropoda, compound eyes of, Clarke t 



409. 

 Mollusca, economic of New Bruns- 

 wick, Ganong, 163. 

 See further under Geology. 



