474 



INDEX. 



Hough, R. H., mechanical equiva- 

 lent of heat vaporization of water. 

 81. 



Howorth, H. H., Ice or Water, 166. 



Ice or Water, Howorth, 166. 

 Iddings, J. P , optical study of the 



feldspars, 72. 

 India, Cambrian faunas of, Walcott, 



404, 405. 

 Indiana, geol. survey, 322. 

 Ions and nuclei in dust -free air, 



Barus, 448. 

 Iowa, geol. survey, 1904, 468. 



J 



Jamieson, G. S., tychite, 217. 

 Japan, magnetic survey, Tanakadate, 

 167. 



K 



Kayser, H., Handbuch der Spectro- 

 scopic, 69. 



Keyes, C. R., Triassic system in 

 New Mexico, 423. 



Kilimandjaro to Meru, Africa, 

 Uhlig, 78. 



Korea, Mesozoic plants from, Yabe, 

 406. 



Kreider, D. A., iodine titration vol- 

 tameter, 1. 



Kreider, J. L., typical hydrous bro- 

 mides, 97. 



Laboratoire de 1' Usine, Houllevigue, 

 168. 



Lakes, A., Geology of Western Ore 

 Deposits, 409. 



Landolt-Bornstein Physikalisch- 

 Chemische Tabellen, 401. 



Leith, J. B., rock cleavage, 406. 



Littleton, N. H., geology, Hitch- 

 cock, 161. 



Lockhart, L. B., action of radium 

 emanations on minerals, 95 ; phos- 

 phorescence of zinc sulphide, 93. 



Long, J. H., Physiological Chemis- 

 try, 399. 



Loughlin, G. F., Clays of Connecti- 

 cut, 408. 



Louisiana geol. survey, bulletins, 

 323. 



Lull, R. S., restoration of Dicera- 

 tops, 420. 



Luquer, L. Mel., Minerals in Eock 

 Sections, 468. 



M 



Magnetic survey of Japan, Tanaka- 

 date, 167. 



Maldives and Laccadives, Fauna and 

 Geography, Gardiner, 77. 



Manhattan Island, origin of chan- 

 nels around, Hobbs, 71. 



Manila, ethnological survey, publi- 

 cations, 167. 



Mastodon remains from Bolivia, 

 Pompeckj, 465. 



Mellor, E. T., glacial conglomerate 

 of South Africa, 107. 



Merriam, J, C, Thallatosauria from 

 California, 161. 



Metals, emission of negative corpus- 

 cles by alkali, Elster and Geitel, 

 461. 



MINERALS. 



Beckelite, 323. Bowmanite, 324. 

 Cassiterite, new cleavage, 410. 

 Diamond, formation, Crookes, 460. 

 Enargite, 280. 

 Feldspars, thermal properties, Day 



and Allen, 72 ; optical study, 



Iddings, 72. 

 Hematite, N. J., 283. Hutchinson- 



ite, 324. 

 Lengenbachite, 324. Luzonite, 277. 

 Marrite, 324. 

 Northupite, 217. 

 Platinum in black sands, Day, 410. 



Purpurite, 146. 

 Quartz, San Diego Co., Cal., 125. 

 Eiebeckite, genesis, 133. 

 Smithite, 324. Sylvanite, 282. 

 Tin deposits of the Carolinas, 

 ' Pratt and Sterrett, 75. Trech- 



mannite. 324. Tychite, 217. 

 Wolframite, Boulder, Colo., 281. 



Minerals, action of radium emana- 

 tions on, Baskerville and Lockhart, 

 95. 



— in Rock Sections, Luquer, 468. 



— optical character of birefracting, 

 Wright, 285. 



— radio-active, Eutherf ord and Bolt- 

 wood 55 ; Strutt, 68. 



Montana, Agricultural College, 

 Science Studies, 78. 



— petrography of Central, Pirsson, 

 35. 



Moody, S. E., iodometric determin- 

 ation of aluminium, 181. 



Murgoci, G. M., riebeckite and rie- 

 beckite rocks, 133. 



Musical strings, properties of, Ben- 

 ton, 383, 462. 



