. sensitiveness of, Lea, i 

 ......... -r, A 



-'. derivatives of benzol, 



new localities of columbic acid n 

 erals, and new columbates, 234. 

 recent fall of meteoric stones, 24 



Report, 157. 

 , Gelsemium sempervirens, 



Star, new, in Cygnus, 3 

 Stars, spectra of, 324. 

 Stein, rock-crystal, bala 



Storer, F. . 

 rocks, 2; 

 Structure of precious opal, 326. 



Sulphur, copulated compounds 



Tiemann, beech- wood t 



Torett, 0., glacial phenomena of North 

 America, 76. 



J., vortex rings, 327. 



- - 



Turpentine, decomposition of oil of, 302. 



Vision, binocular, 35, 252. 

 Vogdes, A. W., American Trilobites, 

 Vortex rings in liquids, Trowbridge, 3 



Wheeler, G. M., geol. report of, 85, 468. 

 White, 0. A., In memoriam, Meek. 169. 

 Whiteaves, J. R, Mes i 

 Whitney, J. D., origin of forests and 



rons, 81. 

 Wilkinson, C. S., Miocene in southern 



New Guinea, 157. 

 Winds of the Globe, Coffin, 273. 

 Wines, alcoholic strength of, 87. 



Wohler, pailadium in alcohol flame, 148. 



n of alcohol in, 218. 



Wright, A. W., production of metallic 



films by electrical discharge, 49. 

 Wurtz, H., porcelain and porcelain rocks 



of Japan, 320, 389. 



z 



Zirkel, P., microscopical Petrography, 



309. 

 Zodiacal light, 399. 



meter, 466. 



Bison, living and extinct, 75. 

 Copper in blood of animals. Ul '«. 

 Corals, rate of growth of, 166. 

 Challenger expedition. i>;<. 



Echinoderms of, 164. 

 Echidna, new, from New Guinea, 24A 

 Fins, median and paired, 323. 

 kbits of, 241. 



%ns, 477, 480. 



