532 



INDEX. 



Schumann. K., neue Untersuchungen 

 uber den Bliithenanschluss. 162. 



Scudder. S. H.. Carboniferous cock- 

 roaches. 72 ; fossil insects of X. 

 America. 330 ; Tertiary insects of X. 

 America. 517. 



Sella. A., native nickel. 252. 



Serpent from Iowa. Call. 297. 



Shooting stars, catalogue of radiant 

 points of. Denning. 75. 



Smith. E. A., geological survey of 

 Alabama. 330. 436. 



Smith, E. E.. Electro-chemical analvsis. 

 69. 



Snow, C. EL, turquois in X. Mexico. 511. 



Solar corona, reply to Xipher, 505. 



radiation, measures of the intensity. 

 Ferrel. 378.' 



spectrum in the ultra violet, limit 

 of. Simony. 243. 



recent progress in. "Rowland. 243. 



Soldereder. H.. die Tribus der Gaert- 

 nereen, 334. 



Solid and liquid states, continuity of. 

 Barus, 325. 



Solms-Laubach. EL. fructification von 

 Bennettites Gibsonianus. 331. 



Sound, intensity, Wead, 232. 



Spectrum, see Solar. 



Spencer. J. W M deformation of the Al- 

 gonquin Beach and birth of Lake 

 Huron. 12: high level shores of the 

 Great Lakes. 201. 



Sprengel pump. "Wells. 390. 



Sugar Analysis, Wiechmann, 69. 



Tarr, R. S., rifting in granite. 267. 



Telephone for measurement of electrical 

 currents, 515. 



Texas, geological survev. Dumble, 329, 

 436. 



Thompson. S, P., lectures on the Elec- 

 tromagnet, 32 7. 



Total-reflectometer, Pulfrich. 431. 



Trowbridge. J. T.. phvsical abstracts. 

 69. 155, 242, 326, 515. 



Turbellaria Accela, von Graff. 443. 



Upham, W., review of the Quaternary 

 Era. and deposits of flooded rivers, 33. 



Van Hise, C. R., conflicting views of 

 Lake Superior stratigraphy, 117. 



Veeder, M. A., periodicity of the aurora, 

 156. 



Yogdes. A. W., Bibliography of Palaeo- 

 zoic Crustacea from 1698 to 1889, 436. 



Yon Graff, die Organisation der Turbel- 

 lario Accela. 443. 



Yulcanite. physical properties, Maver. 

 54. 



w 



Walcott. C. D.. discovery of fish re- 

 mains in Lower Silurian beds, 245. 



Waldo. E.. Bruckner's Klimaschwank- 

 ungen. 141. 



Washburn ubservatory publications. 7 6. 



Water, volumetric composition, Worlev. 

 220. 276. 



Wead, C. K., intensity of sound, 232. 



Weed. W. H., formation of travertine 

 and siliceous sinter, 158. 



Wells, H. L., composition of pollucite. 

 213 : self- feeding Sprengel pump, 390. 



Wheeler H. A., ferro-goslarite, 212. 



Wiechmann, F. G., sugar analysis, 69. 



Williamson. W. C. fossil plants of the 

 Coal-Measures. 437. 



Winchell. H. Y.. age of the Saganaga 

 syenite, 386. 



Winchell. X. H.. geological survey of 

 Minnesota for 1889. 246. 



Winslow. A., geological survey of Mis- 

 souri, bulletin, 248, 329, 435*, 444. 



Wolff, J. E.. Cambrian fossils in the 

 Stockbridge limestone of Yermont, 

 435. 



Wood, R. W.. Jr.. pressure on ice, 30: 

 combustion of gas jets underpressure, 

 477. 



Worthen. A. H., geological survey of 

 Illinois, 159. 



Zittel. K. A., Handbuch der Palaeon- 

 tologie. 330. 



