606 



INDEX. 



Schenzl, 99. 



Scheurer, 494. 



Scheurer-Kestuer, 212. 



Schiaparelli, 35. 



Schiff, Hugo, 207. 



Schimper, Prof., 297. 



Schjellerup, 38. 



Schlosing, 85. 



Schluter, 33. 



Schmaukiewitsch, 335. 



Schmidt, 19, 35, 45, 54. 



Schmitz, Eloy,433. 



Schueebeli, 167. 



Schneider, 442. 



Schonbeiu, 210. 



Schonfeld,7, 16,38. 



Schoufeldt,Dr.,15S. 



Schoolcraft, Hou. Henry R., 262. 



Schott, 69, 106, 



Schreiber, Prof., 110. 



Schroeder, H., 154. 



Schuller and V. Wartha, 148. 



Schulte'8 Archives, 1874, 346. 



Schultz, Dr., 16, 50. 



Schulze, Franz E., 317. 



Schuniachoff, 297. 



Schiitzenberger, 284. 



Schwarz, 482, 512. 



Schweitzer's solvent for cellulose, 500. 



Schweudler, Louis, 169. 



Schwendler's method in duplex teleg- 

 raphy, 169. 



Sclerostoma pinguicola, 338. 



Scotland, climatic changes in, 116. 



Scrope, George Poulett, 545. 



Scudder, S. H., 327, 330. 



Sea, temperature of the, 66. 



Sea-waves, force of, 123. 

 -weed, soda from, 200. 



Seal Islands, Alaska, 389. 



Seal-fisheries on the Greenland coast, 3S9. 



Secchi, Father, 9, 14, 20, 55, 57. 



Secretion of Drosera, 359. 



Sections of coal, 226. 



Sediments, deposition of fine, 229. 



Seeds, floating, 353. 



self-burying, 352. 



Seeley, Prof. H. G., 318. 



Seismographs, self-registering, 72. 



Selenium, conductivity of crystalline, 166. 



Self-registering instruments, time of set- 

 ting, 95. 



S^na,' Barou von, 545. 



Serpent, a tame, 313. 



Serpieri, 72. 



Seventeen-year cicada, 326. 



Sevier plateau, 257. 

 River, 261. 



Sewage question, the, 538. 



Sewers, construction of, 467. 



Sexes in a saw-fly, 329. 



in vegetables and animals, 280. 



Shad in the Mississippi, 406. 



Shafting accidents, to prevent, 521. 



Shaw, B. F., 399. 



Thomas, 437. 



Shellac solution, clarifying, 499. 



Shooting-stars seen from balloons, 14. 

 observed Aug. 5, 1875, 14. 



Shower of dust, remarkable, 83. 



Siberian mammoth, the, 297. 



marmot, destroying the, 382. 



Siderazot, a new mineral, 221. 



Sidot, 191'. 



Sieben-Gebirge, meteorology in the, 79. 

 Siebold, Prof. Von, 319. 

 Siemens, Alexander, 237. 



Dr. C. W., bathometer of, 235. 

 Dr. Werner, 106. 

 Siemens-Halske telegraph works, 461. 

 Sierra Banca group, 243. 

 Signaling, electric light for, 461. 

 Silicate cotton, 457. 

 Silk dyeing, 490. 



threads and fabi'ics, numbering, 504. 

 Silk-worm, transformation of, into the 



moth, 331. 

 Silk-worms, hatching, by electricity, 331. 

 Silphium, 525. 

 Silver and copper alloys, 205. 



in Uintah Mountains, 

 259. 

 mine, xjaurium, 293. 

 Silver-wax'e, cleaning, 424. 

 Silvestri, Prof., 221. 

 Simmons, 453. 

 Simon, Dr., 545. 

 Simskowsky, George F., 545. 

 Sinderman, A., 418. 

 Singer, 493. 



Sirius, the companion of, IS. 

 Sivel, 452. 

 Skeletons of pile-dwelling inhabitants, 



292. 

 Slack, Dr. J. H., 397. 

 Smell in insects, sense of, 290. 

 Smith, George, 545. 



G. B.,329,432. 

 Hamilton L., ISS. 

 Prof. J. L., 28, 225. 

 W. G., 341, 362. 

 Smithsonian Institution, 262, 302, 304. 

 Smoke as a protection against frost, 369. 

 Snake-eating snakes, 316. 

 Snell, Prof. Ebenezer S., 545. 

 Snow on the Pic-du-Midi, red, 125. 

 Snow-formation observed from balloons, 



118. 

 Soap, cheap, 421. 

 Soda from sea-weed, 200. 



process, another direct, 520. 

 Soil, temperature of, 77. 

 Solar and terrestrial phenomena, correla- 

 tion of, 8. 

 atmosphere, absorption of, 15. 



and radiant heat, 40. 

 corona, photographs of, 60. 

 eclipse, April 16,1874,58. 

 Dec. 11,1871, 11. 

 heat, absorption by the atmosphere, 



150. 

 observatory at Potsdam, 56. 

 parallax, 51. 



rays, chemical action of, 193. 

 spectrum, atmospheric lines of, 154. 

 spots, 53. 



and protuberances, 55. 

 r,uA terrestrial electricity, 122. 

 and terrestrial phenomena, 13. 

 temperature of, 12. 

 system, motion in space, 49. 

 Solutions in castor-oil, fluorescence of, 

 156. 

 on a growing vine, 358. 

 Somoff 's baryccntric theorem, 54. 

 Sonnenschein, 207. 

 Sorby, H. C, 265, 273, 304. 

 Siireusen, 506. 



