530 



INDEX. 



Gravitation, velocity of propagation, 



Van Hepperger, 400. 

 Gray, Andrew, Absolute measurements 



in Electricity and Magnetism, 235. 

 Gray. Asa, Manual of Botany, new 



edition, 240. 

 Groth, P., Tabellarische Uebersicht der 



Mineralien, 324. 

 Gulick, J. T., divergent evolution and 



Darwinian theory, 21. 



H 



Harker, A., Bala volcanic rocks, 406. 



Hawkins, J. D., minium from Leadville, 

 42 ; formation of silver silicate, 311. 



Heat, sun's, Angstrom, 316. 



Hidden, W. E., Polycrase in N. and S. 

 Carolina, 302 ; Hamiinite, new min- 

 eral from Maine, 511. 



Hilgard, E. W., concentration of some 

 California saline lakes, 165. 



Hill, R. T., check list of Cretaceous in- 

 vertebrates of Texas, 521. 



Hillebrand, W. F., tyrolite from Utah, 

 271. 



Hutchins, C. C, radiant energy of the 

 standard candle; mass of meteors, 

 392. 



Hyatt, A., Genesis of the Arietidae, 243. 



Induction, neutralization of, Trowbridge 



and Sheldon, 17. 

 Interference experiment, Michelson, 216. 



K 



Karsten, H., G-eologie de l'Ancienne 

 Columbie Bolivarienne, etc , 319. 



Kellogg, A., illustrations of West Amer- 

 ican Oaks ; text by E. L. Greene, 79. 



Kunz, G. K., Gems and Precious Stones 

 of N. A., 521. 



Laboratory, physical, magnetic field in, 

 Willson, 87, 456. 



Lane, A. C, estimation of the optical 

 angle in parallel light, 53. 



Leidy. J., mammalian remains of Flor- 

 ida, etc., 321. 



Light and electricity, Righi, 66. 



Light, mechanical equivalent, Tumlirz, 

 153. 



Light-waves, measurement of, Michel- 

 son, 115. 



Loomis, Elias, memorial address, New- 

 ton, 427; list of papers, Appendix. 



Loubat prize of the French Institute, 

 413. 



Lydekker, R., Manual of Palaeontology, 

 239. 



M 



Mackintosh, J. B., polycrase in N. and 



S. Carolina, 302. 

 Magnetic field in Jefferson Physical 

 Laboratory, Willson, 87, 456. 

 Magnetic results of the Challenger expd., 



154. 

 Magnetism, diurnal variation in terres- 

 trial, Schuster, 411. 

 Magnetization at different temperatures, 



Dubois, 400. 

 Mar, F. W.. determination of chlorine 

 in mixtures of alkaline chlorides and 

 iodides, 293. 

 Marsh, O. C, new Dinosaurian reptiles, 

 81; distinctive characters of the or- 

 der Hallopoda, 415 ; additional char- 

 acters of the Ceratopsidae, with notice 

 of new Cretaceous Dinosaurs, 418; 

 new Tertiary Mammals, 523. 

 Mayer, A. M., experiments with pen - 

 dulum-electrometer, 327 ; electric po- 

 tential measured by work, 334; spring- 

 balance electrometer, 513. 

 Mercury, rotation of, Schiaparelli, 245. 

 Merril! F. J. H., metamorphic strata of 



S. E. New York, 383. 

 Meteor. May 2d, orbit, 522. 

 Meteoric iron from N. Carolina, Eakins, 



395. 

 Meteorite, new stone, Eakins. 59. 

 Meteorites, fall in Iowa, May 2, 521. 

 Meteorological Society, American,. 163. 

 Meteorology, dynamical, recent contribu- 

 tions to, Waldo, 280. 

 Meteors, mass of, Hutchins, 392. 

 Michelson, A. A., measurement by 

 light- waves, 115; interference ex- 

 periment, 216. 

 Miller, S. A., North American Geology 



and Paleontology, 67. 

 Minerals — 



Amphibole, secondary, 359; St. Law- 

 rence Co., N. Y., 352. Andalusite, 

 Patrick Co., Va., 48. Arsenic, na- 

 tive, Colorado, 161. 

 Barium sulphate, Templeton, Quebec, 



61. Bournonite, Arizona, 45. 

 Calamine, origin in Missouri, 38! 

 Calcite, pseudomorph after glauber- 

 ite, 45. Celestite, Mineral Co., W. 

 Virginia, 183. Chloritoid, Patrick 

 Co., Va., 50. Cohenite, 74. Co- 

 rundum, Patrick Co., Va., 47, 48. 

 Cyanite, Patrick Co., Va., 49. 

 Dickinsonite, Branchville, Ct., 213. 

 Edisonite, 159. Epigenite, Sweden, 



161. 

 Fairfieldite, Branchville, Conn., 212. 

 Ferrostibian, Sweden, 160. Fillow° 

 ite, Branchville, Conn., 215. 

 Glaubente, Verde Valley, Arizona, 44. 

 Gold, native, in calcite, 160. 



