33] 



VOLUMES I-X. 



511 



Night clotids, height of luminous, 2, 

 89. 



Nile delta, deposits of, Judd, 4, 74. 



Nipher, F. E., measurement of pres- 

 sure of wind, 5, 468 ; gravitation in 

 gaseous nebulas, 7, 459 ; properties 

 of light-struck photograjvhic plates, 

 10, 78. 



— Electricity and Magnetism, 6, 432. 

 North America, Later Extinct Floras 



of, Newberry, 8, 394. 



North Carolina and its resources, 3, 

 252. 



Norton, J. T., Jr., iodometric deter- 

 mination of molybdenum, 6, 168 ; 

 hydrochloric acid in titrations by 

 sodium thiosulphate, 7, 287 ; 

 estimation of iron in the ferric 

 state, 8, 25 ; titration of mercury 

 by sodium thiosulphate, 10, 48. 



Norway, Crustacea of, Sars, 7, 79. 



— North Atlantic Expedition, 3, 494 ; 

 10, 170. 



Nova Scotia, geology of southwest, 



Bailey, 6, 510. 

 Noyes, W. A., Organic Chemistry, 



5, 147. 



O 



OBITUARY— 



Argyll, Duke of, 9, 462. 



Bebb, M. "S., I, 78. Bertrand, J. 7, 



462. Blanchard, Emile, 7, 395. 



Brinton, Daniel Garrison, 8, 318. 



Bunsen, Robert Wilhelm, 8, 318. 

 Castillo, A., 1, 78. Clark, A. G., 



4, 83. Collier, P. 2, 246. Cope, 



E. D., 3, 427. 

 Daubree, A., 2, 90. Dawson, Sir 



John William, 8, 475 ; 9, 82. Des 



Cloizeaux, A., 4, 164. 

 Egleston, T.. 9, 160. 

 Fizeau, H.,' 2, 398. Flower, Sir 



William Henry, 8, 238. Frank- 

 land, Sir Edward, 8, 318. Fre- 



senius, C. R., 4, 84. 

 Geinitz, Hanns Bruno, 9, 236. 



Goode, G. B., 2, 313. Gould, B. 



A., 3, 81. Green, A. H., 2, 246. 



Grove, Sir W. R., 2, 314. 

 Hall, James, 6, 284, 437; Hauer, 



Franz Ritter von, 7, 474. 



Haughton, S., 5, 80. Hazen, 



Henry Allen, 9, 235. Hicks, Dr. 



Henry, 9, 84. Hubbard, Oliver 



Payson, 9, 396. Hughes, David 



E., 9, 236. 

 James, J. F., 3, 428. 

 Keeler, J. E., 10, 325. Kekule", A., 



2, 314. Krueger, 1, 494. 

 3 



OBITUARY— 



Lawson, G., 1, 78. Lea, M. C, 3, 

 428. 



Marcou, J., 5, 398. Marsh, O. C, 

 7, 403. Mayer, A. M., 4, 161. 

 Meyer, V., 4, 398. Milne- 

 Edwards, A., 9, 462. Mivart, St. 

 George, 9, 395. Mueller, F. von, 

 2, 464. Miiller, J., 1, 326. 



Newton, H. A., 2, 245 ; 3, 359. 



Orton, Edward, 8, 400. 



Palmieri, S., 2, 398. Peck, L. W., 

 7, 248. Preston, Thomas, 9, 395. 

 Prestwich, J., 2, 90, 170. 



Rogers, W. A., 5, 322. 



Sachs, J., 4, 164. Schrauf, A., 5, 

 160. Sylvester, J. J., 3, 358. 

 Svmons, George James, 9, 395. 



Ulrich, G. H. F., 10, 250. 



Waagen, Wilhelm, 9, 395. Wachs- 

 niuth, C, 1, 250. Walker, F. 

 A., 3, 164. Whitney, J. D., 2, 

 246, 312. Wiedemann, G., 7, 

 402. Winnecke, Prof., 5, 80. 

 Observatories, Mountain, Holden, 3, 



358. 

 Observatory, see Astronomical, and 



Astrophysical. 

 Optical instruments of, R. Fuess, 



Leiss, 7, 396. 

 Ore Deposits of the United States 



and Canada, Kemp, 9, 303, 

 Orthoptera, North America, Scudder, 



4, 250. 



Ortmann, A. E., climatic zones in 

 Jurassic times, 1, 257. 



— separation and its bearing on geol- 

 ogy and zoogeography, 2, 63. 



— Crangopsis vermiformis of Ken- 

 tucky, 4, 283 ; Linuparus atavus of 

 Dakota, 4, 290 ; large oysters of 

 Patagonia, 4, 355. 



— new marine Tertiary horizons near 

 Punta Arenas, Chile, 6, 478. 



— fauna of the Magellanian beds of 

 Chile, 8, 427. 



— invertebrate fossils from Pata- 

 gonia, 10, 368. 



Osborn, H. F., origin of mammals, 

 7, 92 ; Tertiary mammal horizons 

 of Europe and America, 10, 400. 



Oscillations, see Electric. 



Oscillatory currents, Seiler, 4, 71. 



— discharge of a large accumulator, 

 Trowbridge, 4, 194. 



Osmotic pressure and electrolytic dis- 

 sociation, Compton, 5, 65 ; Traube, 



5, 463. 



Ostwald, W., Lehrbuch der allge- 

 meinen Chemie, 3, 357 ; 5, 222; 8, 

 74 ; 9, 64, 65. 



