528 



GENERAL INDEX 



[24 



Hutchinson, C. T., B. A. unjt of resist- 

 ance, viii, 230. 



Hyades, Mission Scientiflque du Cap 

 Horn, v, 83. 



Hyatt, A., larval theory of origin of 

 tissue, i, 332 ; Genesis of the Arietidse, 

 ix, 243. 



Ice Age of North America, Wright, viii, 

 412. 



Period in Altai mountains, iii, 165; 

 of N. America, iii, 77. 



Greenland, damming and erosion 

 by, iv, 312. 

 Icebergs, making of, Loomis, xl, 333. 

 Iddings, J. P., columnar structure in 

 igneous rock, i, 321; volcanic rocks 

 of. Salvador, ii, 26 ; lithophysas and 

 lamination of acid lavas, iii, 36; ori- 

 gin of quartz hi basalt, vi, 208 ; Trans- 

 lation of Rosenbusch's Micr. Physio- 

 graphy of Rock-making Minerals, vi, 

 471 ; Obsidian Cliffs, vii, 502 ; fayalite 

 in the obsidian of Lipari, xl. 75. 

 Ice, conductivity, etc., ii, 481. 

 viscosity, Main, iv, 149. 

 Illumination, artificial comparison of 

 sources of, Nichols and Franklin, viii, 

 100. 

 Image transference, Lea, iv, 33. 

 India in 1887, Wallace, vi, 302; fauna, 

 Blanford, vi, 297 ; flora, Hooker, ii, 

 325; fossils in Salt Range, ix, 159; 

 geology of, ii, 78 ; mineralogy of, v, 

 416; wind-drift scratches in, vii, 413. 

 Induction, magnetic, electrostatic field 

 produced by, Lodge and Chaltock, 

 viii, 77. 



neutralization of. Trowbridge and 

 Sheldon, ix, 17. 

 Insect Life, new periodical Bulletin, vi, 



296. 

 Insulator, quartz as an, Boys, viii, 76. 

 Interference experiment, Michelson, ix, 



216. 

 Iowa, meteorites, ix, 521 ; xl, 318. 

 Irelan, W., Mineralogical Report of Cali- 

 fornia, 1887, vi, 73; viii, 166; xl,. 92. 

 Iron, behavior of, under magnetic forces, 

 iii, 422. 



carburets, properties, i, 67, 386. 

 destruction of passivity, Nichols 

 and Franklin, iv, 419. 



effect of magnetization on viscosity 

 and rigidity, Barus, iv, 175. 



in magnetic field, chemical behavior, 

 Nichols, i, 272. 



magnetization of, vii, 226. 



meteoric, see Meteoric 



naturally reduced, Tyrrell, iii. 73. 



Iron, nickeliferous metallic, TJlrich, iii, 

 244. 



ores of Michigan and Wisconsin, 

 Van Hise, vii, 32. 



phosphorus in, Browne, vii, 299. 



silicon, influence of, on properties, 

 iii, 509. 

 Irving, R. D., formation of quartzite, i, 

 225 ; origin of ferruginous schists and 

 iron ores of Lake Superior region, ii, 

 255 ; Hurouian group, iv. 204, 249, 

 365. 



Obituary notice of, vi, 80. 



Japan, Amer. eclipse expedition, Todd, 



vi, 474. 



botany, i, 478. 



volcanic eruptions in, vi, 104, 293. 

 volcanoes of, Milne, ii, 233. 

 Jerofeieff, Meteorit von Nowo-TJrei. vi, 



74. 

 Johnson, L. C, structure of Florida, vi, 



230 ; " Grand-Gulf " formation, viii, 



213. 

 Jones, D. E , Examples in Physics, vii, 75. 

 Jordan, D. S., obituary of S. Stearns, vi, 



303. 

 Joubert, J., Electricity and Magnetism, 



vi, 68. 

 Joule, J. P., Joint Scientific Papers, iv, 



229. 

 Judd, J. W., Eruption of Krakatoa, vi, 



471 ; volcanoes of W. Isles, Scotland, 



vii, 412; viii, 163. 



K 



Karston, H., Geologie de l'Ancienne 

 Columbia Boliva ienne, etc, ix, 319. 



Kayser, H, iron spectrum, vii, 495. 



Keep, J., West Coast Shells, v, 264. 



Kellogo-, A., Illustrations of West Amer- 

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



Kemp, J. F., diorite dike, Orange Co., N. 

 T., v, 331 ; Rosetown extension of 

 Cortlandt series, vi, 247 ; barite from 

 Aspen, Col., vii, 236; porphyrite bos- 

 ses in New Jersey, viii, 130 ; minerals 

 from Port Henry, N. Y., xl, 62. 



Kennelly, A. E., voltametric measure- 

 ment of alternating currents, vi, 453. 



Kentucky, Geol. report, vii, 232. 



Kerl, B., Assayer's Manual, viii, 171. 



Ketteler, E., Theoretische Optik, i, 64. 



Keyes, C. R., sedentary habits of Platy- 

 ceras, vi, 269; Carboniferous Echino- 

 dermata, viii, 186. 



Kimball, J. P., siderite-basins of the 

 Hudson River epoch, xl, 155. 



Kinahan, G. H, Irish Esker drift, iii, 

 276. 



