25] 



VOLUMES I-X. 



503 



Insects, Aquatic, Miall, I, 249. 

 Interference rings, selenium, Long- 

 den, io, 55. 

 Interpolation, H. L. Rice, g, 394. 

 Ions, color of. Lea, i, 405. 



— and electric conduction, Thomson, 



7, 312 ; also 7, 158. 



— in gases at low pressures, masses 

 of, Thomson, 9, 66. 



Iowa, Geol. Survey, 1894, 1, 149 ; 

 1895, 2, 303 ; 7, 168 ; vol. ix, 8, 466 ; 

 10, 467. 



— Johnson Co., geology, Calvin, 5, 

 149. 



Iron, chemical analysis, Blair, 2, 450. 



— See CHEMISTRY. 

 Irrigation and Drainage, King, 9, 394. 

 Isham, G. S., registering solar radi- 

 ometer, 6, 160. 



Italian volcanic rocks, analyses, 

 Washington, 1, 375 ; 8, 286. 



Iwasaki, C, orthoclase crystals from 

 Japan, 8, 157. 



J 



Jackson, D. C, and J. P., Alternat- 

 ing Currents, 2, 455. 



Jacoby, H., division errors of a 

 straight scale, 1, 333. 



Jaggar, T. A., Jr., instrument for 

 inclining a preparation for the 

 microscope, 3, 129 ; conditions 

 affecting geyser eruption, 5, 323 ; 

 microsclerometer for determining 

 the hardness of minerals, 4, 399. 



Jamaica, late formations and changes 

 of level, Spencer, 6, 270. 



— Geology and Physical Geography, 

 Hill, 9, 222. 



— Yellow limestone, Hill, 3, 251. 

 Japan, earthquakes in, Omori, 9, 305 ; 



10, 471. 

 Jenaer Glas, Hovestadt, 9, 445. 

 Johanniskafer light, Muruoka, 5, 224. 

 Joly, J., geological age of the earth, 



8, 390. 



Jones, H. C, Electrolytic Dissocia- 

 tion, 10, 76. 



Jones, L. C, estimation of cadmium, 

 2, 269 ; action of carbon dioxide 

 on soluble borates, 5, 442 ; estima- 

 tion of boric acid, 7, 34, 147 ; 8, 127. 



Judd, J. W., rubies of Burma, 1, 64 ; 

 structure-planes of corundum, 1, 

 323 ; deposits from borings in the 

 Nile Delta, 4, 74 ; petrology of 

 Rockall Island, 7, 241 ; ruby in 

 North Carolina, 8, 370. 



— The Student's Lyell, 2, 86. 

 Judith Mts., Montana, geology, Weed 



and Pirsson, 6, 508. 



K 

 Kansas, Geol. Survey, 1, 489. 



— meteorites, 5, 447 ; 7, 233 ; 9, 410. 



— mineral resources, 1899, Haworth, 



8, 396 ; gypsum deposits of, 8, 466. 

 Kant as a natural philosopher, 



Becker, 5, 97. 



Kaolins and fire clays of Europe, 

 Eies, 7, 243. 



Kathode, see Cathode. 



Kayser, E., Paleozoic faunas of the 

 Argentine, 5, 72. 



Kayser, H., Handbuch der Spectro- 

 scopic, 10, 464. 



Keith, A., dikes of felsophyre and 

 basalt in Virginia, 6, 305. 



Kemp, J. F., Handbook of Rocks, 3, 

 76. 



— Ore Deposits of the United States 

 and Canada, 9, 303. 



Keyes, C. R., Bethany limestone, 2, 

 221 ; eolian origin of loess, 6 r 

 299. 



Kindle, E. M., Pakeozoic fossils from 

 Bafnnland, 2, 455. 



King, F. H., Irrigation and Drainage, 



9, 394. - 



Kingsley, J. S., Text-book of Verte- 

 brate Zoology, 8, 472. 

 Kite, Observations of , 1898, Franken- 



field, 9, 394. 

 Kleinasiens Naturschatze. Kannen- 



berg, s, 79. 

 Klondike gold fields, 5, 305 ; 9, 456. 

 Knight, W. C, Jurassic vertebrates 



from Wyoming, 5, 186, 378 ; 10, 



115. 

 Knipp, C. T., new form of make and 



break, 5, 283. 

 Knowlton, F. H., Tertiary floras of 



the Yellowstone Park, 2, 51. 



— Bohemian mining region of Oregon, 



10, 465. 



Koenig, G. A., on mohawkite, stibio- 



domeykite, domeykite, etc., 10, 439. 

 Koenig, R., limit of hearing, 9, 66, 



148. 

 Kohlenstoff-Verbindungen, Lexi- 



kon, Richter, 9, 445. 

 Kohlrausch, F., Practical Physics, 



10, 320. 

 Koken, E., die Leitfossilien, 3, 160. 

 Kraus, C. A., broadening of the 



sodium lines, etc., 3, 472. 

 Kreider, D. A., potassium and 



sodium, separation of, 2, 263 ; 



oxygen in air and in aqueous 



solution, 2, 361 ; structural and 



magneto-optic rotation, 6, 416 ; 



detection of dextro- and lasvo-rotat- 



jng crystals, 8, 133. 



