INDEX. 



485 



GEO L OGY— Con tinned. 



Triassic cephalopod genera of 



America, Hyatt and Smith, 253. 

 Unconformities, significance of cer- 

 tain, Keyes, 296. 

 Upper Carboniferous genera, Ul- 

 rica and Bassler, 469. 

 Geology, Chamberlin and Salisbury, 

 400. 



— Lapparent, 401. 



— American, History of, Merrill, 467. 



— Economic, of the United States, 

 Bies, 256. 



Geophysical research, Gibbs, 461. 



Gibbs, J. W., geophysical research, 

 461. 



Goodale, G. L., new form of "Con- 

 tainer" for Museums, 451. 



Gordon, C. E., early stages in Paleo- 

 zoic corals, 109. 



Gordon, C. H., lower Paleozoic for- 

 mations in N. Mexico, 390. 



Graton, L. C., lower Paleozoic for- 

 mations in N. Mexico, 390. 



Greenland, rocks of northwest, 

 Belowsky, 184. 



Gregory, W. K., Prorosmarus alleni 

 from Virginia, 444. 



Groth, P., Crystallography, 185. 



H 



Handlirsch, A., revision of Paleozoic 



Insects, 468. 

 Harvard Botanical Station, Cuba, 475. 

 Hatcher, J. B., Geology of Judith 



Eiver beds, 177. 

 Headden, W. P., phosphorescent 



calcites, 301. 

 Heating effects of Bontgen rays in 



different metals, Bumstead, 1. 

 Hershey, O. H., Western Klamath 



stratigraphy, 58. 

 Hilgard, E. W., peculiarities of rock- 

 weathering, 261. 

 Hillebrand, W. F., new mercury 



mineral from Texas, 85. 

 Hintze, C., Mineralogie, 257. 

 Hobbs, W. H., configuration of rock 



floor of New York, 182. 

 Hofmeister, F., Beitrage zur ckemis- 



chen Physiologie, 337. 

 Hopkins, N. M., Electro-Chemistry, 



249. 

 Howard, K. S., new meteorite from 



Texas, 186. 

 Howe, E., red beds of southwestern 



Colorado, 328. 

 Hunt, W. F., sulphur and celestite 



in Michigan, 237. 



I 



Invertebrates, Guide to, Boston So- 

 ciety Natural History, Sheldon, 336, 

 475.' 



Ions, Electrons and Corpuscules, 

 Abraham and Langevin, 466. 



— in air, recombination of, Bragg and 

 Kleeman, 399. 



Jones, H. C., Electrical Nature of 

 Matter, 465. 



K 



Kentucky, lead, zinc and fluorspar 



deposits, Ulrich and Tangier Smith, 



84. 

 Keyes, C. R., significance of certain 



unconformities, 296. 

 Klamath stratigraphy, Hershey, 58. 

 Knebel, W. von, Hohlenkunde, 473. 

 Knight, C. W., pseudo-leucite, 



Yukon T., 286; re-formation of 



soda-leucite, 294. 

 Kraus, E. H., sulphur and celestite 



in Michigan, 237. 

 Kunz, G. F., production of Precious 



Stones in 1904, 187. 



Lampard, H., celestite in Canada, 



188. 

 Langevin, P., Ions, Electrons and 



Corpuscules, 466. 

 Langley, Samuel Pierpont, obituary 



notice, Abbe, 321 

 Lapparant, A. de, Geologie, 401. 

 Leidy, Joseph, Memorial, 338. 

 Life and Matter, Lodge, 338. 

 Lightning discharges, after glow 



from, Walter, 173. 

 Lindgren, W., copper deposits of 



Arizona, 332. 

 Lodge, O., Life and Matter, 338. 

 Loeb, }., Dynamics of Living Matter, 



479. 

 Loomis, F. B., Wasatch and Wind 



Eiver primates, 277. 

 Lull, R. S., new name for the genus 



Ceratops, 144. 



M 



Magnetic field and coronal stream- 

 ers, J. Trowbridge, 189. 



— relations of powdered iron, Tren- 

 kle, 465. 



Magnetization by rapidly oscillating 

 currents, Madelung, 80. 



