542 



GENERAL INDEX. 



[46 



Schceberle'J. AT., collimation constant of 

 a transit circle, v, 144. 



lateral astronomical refraction, vii, 

 466 bis* 

 Schaeffer, C. A., tantalite locality, viii, 



430.. 

 Schenk, A., Handbuch der Botanik, vii, 



322. 

 Schmidt, A., zinc-ore of Wiesloch, i, 502. 

 Schott, C. A.. Rain and Snow Tables, iii. 

 250. 



Magnetic Declination in the United 

 States, vii, 245. 



Variation of, vii, 245. 

 Science, prospectus of. v, 87, 240. 

 Scotland, physical features of, - xxx, 159. 



rocks of the Highlands, ix, 10, 62. 

 Scott. W. B., Orthocynodon from the 

 Eocene,'iv,'.223. 



new marsupial from the Miocene of 

 Colorado, vii, 442. 

 Screens, transmission of light by, Lang- 

 ley, xxx, 210. 

 Screw, millimeter, Weacl, iii, 176. 

 Scribner, G-. H., "When did Life begin, 



xxx, 88. 

 Scudder, S. H., Devonian insects, i, 111. 

 Euphoberia, i, 182. 

 types of ancient myriapods, iv, 161. 

 Triassic insects, viii, 199. 

 Butterflies, noticed, ii, 239. 

 Tertiary lake-basin of Florissant, ii, 

 409. 



Nornenclator Zoologicus, iv, 157. 

 Anatomy of Diurnal Lepidoptera, 

 iv, 235. 



Carboniferous Cockroaches and My- 

 riapods, viii, 470. 



Paleozoic Arachnida, ix, 70. 

 American Fossil Cockroaches, ix, 

 418. 

 Sea, see Ocean. 



Seamon, W. H., palladium-gold, v, 161. 

 Seaton, C. W., Census Reports, ix, 261. 

 Seeds, vitality of, iv, 297. 

 Seely, H. M., new genus of Chazy spon- 

 ges, xxx, 355. 

 Seismological Commission, Swiss, iii, 337. 

 Society, Japan, Transactions of, ix, 

 346. 

 Seismology, see Earthquake. 

 Seismometer, new, vi, 321. 

 Selenium, actinometer, ix, 404. 



and tellurium, method of separating, 

 xxx, 156. 



cell, new form of, Fritts, vi, 465. 

 microphonic action of, ii, 317. 

 sensitiveness of, to light, ix, 495 : 

 xxx, 313. 



"The paging 466, 467 is duplicated in vol. xxvii. 



Selwyn, A. R. C, Canada Geological 

 Reports, iv, 151 ; vii. 410; xxx, 241. 

 Geological Map of Canada, ix, 340. 

 Sequoiene, i, 68. 

 Shadows, molecular, xxx, 314. 

 Shaler, N. S., Illustrations of the Earth's 



Surface, noticed, ii, 78. 

 Shells, worked, in New England shell- 

 heaps, :i. 323. 

 see Zoology. 

 Shepard, G. U., meteoric iron, Lexington 

 Co.,'S. C, i, 117. 



meteoric iron of unknown locality, 

 ii, 119. 



monetite, monite and pyroclasite. 

 iii, 400. 



meteoric iron from Dalton, Georgia, 

 vi, 336. 



corundum gems in India, vi, 339. 

 meteoric iron from Trinity County, 

 California, ix, 469. 



meteoric stone from Jalisco, Mexico, 

 xxx, 105. 

 Shepard, N., Darwinism stated by Dar- 

 win himself, vii. 414. 

 Sheridan, P. H., Explorations in "Wyom- 

 ing, etc., vi. 241. 

 Sherman, O. T., arctic ocean tempera- 

 tures, i, 163. 



magnetic observations in Davis 

 Strait, ii, 49. 



a pendulum study, iv, 175. 

 observations of the Pons-Brooks 

 comet, vii, 76. 



residual elasticity and composition 

 of glass, ix. 385. 



thermometers, ix, 385 ; xxx, 42. 

 spectrum of Nova Andromedas, xxx, 

 378. . 



bright lines in stellar spectra, xxx. 

 475. 

 Siberia, climate of, in era of Mammoth. 



i, 148. 

 Siemens, C. W.. addresses by, iv, 310 ; 

 v, 150. 



theory of the sun, iv, 311; v. 78, 

 148, 230; vi, 67, 146. 

 Siemens. Dynamo-Electric Machine, iii, 



147. 

 Siemens mercury unit, v, 148; ix, 168. 

 Sight, LeConte, i, 405. 

 Signal Service, professional papers of, 

 iv, 238, 407 ; vi, 490. 

 Report, iii, 78. 

 Silica, crystallization of, iv, 230, 290. 

 Silicon sulphides, iv, 465. 

 Silliman, B., turquois of N. Mexico, ii, 67. 

 on vanadates, etc., Arizona, ii, 198. 

 obituary of Draper, iii, 163. 

 aconitic acid from sorghum juices, 

 iii, 488. 



