526 



GENERAL INDEX. 



[22 



Graham, J. C, saud-trausportation by 

 rivers, xl, 476. 



Gratacap, L. P., Eozoonal rock of Man- 

 hattan island, iii 374. 



Gravitation, v, 414 ; velocity of propaga- 

 tion, Van Hepperger, ix. 400. 



Gravity, variations in Hawaiian Is., 

 Preston, vi, 305. 



Gray, Andrew, Absolute measurements 

 in Electricity and Magnetism, ix, 235. 



Gray, A., botanical necrology, i, 12, 312, 

 316; iii, 164; v, 260; botanical no- 

 tices, i. 76, 158, 231, 313, 477; ii, 79, 

 164, 224. 325. 411, 473, 485; iii, 80, 

 162, 244^ 318, 425; iv, 490. 



Synoptical Flora of N. A., i, 238. 

 Notice of Edward Tuckerman, ii, 1. 

 Elements of Botany, iv, 495. 

 Obituary notice of, v. 181. 

 list of writings and index, vi, Ap- 

 pendix. 



scientific papers of, viii, 419. 

 Manual of Botany, new edition, ix, 

 240. 



Greene, E. L., Pittonia, iii, 426; iv, 493. 



Groth, P., Grundriss der Edelsteinkunde, 

 v, 86. 



Tabellarische Uebersicht der Miner- 

 alien, ix, 324. 



Guadalupe Island, iv, 80. 



Guerne, J. de, Excursions Zoologiques, 

 etc., vi, 77. 



Gulf Stream explorations, Pillsbury, vi, 

 225. 



Gulick, J. T., divergent evolution and 

 Darwinian theory, ix, 21; inconsist- 

 encies of utilitarianism as the exclu- 

 sive theory of organic evolution, xl. 

 1 ; preservation and accumulation of 

 cross-infertility, xl, 437. 



Gumbel, K W. von, Geologie von Bay- 

 ern, iv, 158; v, 341. 



Gun-cotton, effects of detonation, Mun- 

 roe, vi, 48. 



Guppy, coral reefs of Solomon Islands, 

 iv, 229. 



H 



Hackel, E., Andropogoneae. viii, 253. 



Hague, A., volcanic rocks of Salvador, 

 ii, 26 ; deposition of scorodite from 

 geyser waters, iv, 171; leucite rock 

 in Wyoming, viii, 43. 



Hailstones. Huntington, xl, 176. 



Hall, A., Nova Andromeda}, i, 299; con- 

 stant of aberration, v, 505. 



Hall effect in electricity, iv, 151. 



Hall, E. H., effect of magnetic force on 

 equi-potential lines of electric current, 

 vi, 131, 277; ratio of electromagnetic 

 to electrostatic unit of electricity, viii, 

 289. 



Hall, J., Palasontology of New York, i, 

 311; vol. vi, v, 35; vol. vii. v, 499. 



Hallock, W., flow of solids, iv, 277, vi, 

 59 ; chemical action between solids, 

 vii, 402. 



Hanks, H. G., Report of Mineralogist of 

 California, i, 76. 



Hanksite in California, vii, 63. 



Hann, Meteorological Atlas, v, 263. 



Harding, S. L., bichromate of soda cell, 

 iii, 61. 



Harker, A., slaty cleavage, i, 475; Bala 

 volcanic rocks, ix, 406. 



Harper, D. N.. herderite and beryl, ii, 

 107 ; composition of ralstonite, ii, 380. 



Hastings. C. S., law of double refraction 

 in Iceland spar, v. 60 ; secondary chro- 

 matic aberration for double telescope 

 objective, vii, 291. 



Hawaiian Islands, coral reefs, A. Agas- 

 siz, viii, 169: flora of, Hillebrand, v, 

 501 ; variation of gravitation, vi, 305; 

 volcanic phenomena of, J. D. Dana, 

 vii, 48, 51, 81, 192. 242; rocks, E. S. 

 Dana, vii, 441 ; temperature record at 

 Hilo, Furneaux, vii, 241 ; Artesian 

 borings on Oahu, vii, 95. 



Hawkins. J. D., plattnerite from Idaho, 

 viii. 165 ; minium from Leadville, ix, 

 42 ; formation of silver silicate, ix, 

 311. 



Hay, O. P., deposit of glacial drift, iv, 

 52. 



Hayden memorial geological fund, vi, 79. 



Hazen, H. A., thermometer exposure, i, 

 320; verification of tornado predic- 

 tions, iv. 127; relation between wind 

 velocity and pressure, iv. 241 ; pre- 

 vailing wind direction, iv, 461. 



Heat conductibility of bismuth, iv, 228. 

 Elementary Lessons in, Tillman, 

 viii, 492. 



as a form of energy, xl, 495. 

 measurement, Helmholtz, vi, 292. 

 measurer, new, iv, 66; v, 251. 

 mechanical equivalent of, v, 77. 

 of moon, o Langley, viii, 421. 

 of sun, Angstrom, ix, 316. 



Heat-spectra, invisible, Langley, i, 1 ; ii, 

 83; vi, 397. 



Heilprin, A , Distribution of Animals, 

 iii. 242; Explorations in Florida, iv, 

 230; Geological Evidences of Evolu- 

 tion, v, 256 ; Bermuda Islands, viii, 

 418. 



Heim, Les Dislocations de l'ecorce ter- 

 restre, etc., v, 500. 



Hemihedrism in monoclinic system, 

 Williams, viii. 115. 



Hemsley, W. B, Botany of Central 

 America, viii, 166. 



