Index. 



36T 



Rift Valleys of East Africa, J. W. 



Gregory, 353. 

 Tertiary, California, fish fauna, 



Jordan, 354. 

 Trenton Group fauna, Raymond, 



57- 

 Trigonise from the Pacific Coast, 

 Packard, 57. 

 Grabau, A. W., Geology, 355. 

 Gregory, J. W., Rift Valleys in 



East Africa, 353. 

 Guppy, reprints of Paleontological 

 writings, Harris, 235. 



H 



Hackh, I. W. D., Chemical Reac- 

 tions, 300. 



Hawkes, W. H., Factory Chemis- 

 try, 53. 



Heath, T. L., Copernicus of Anti- 

 quity, 232. 



Henderson, W. E., Chemistry, 229. 



Holm, T., Dirca palustris, 177; 

 studies in Cyperacese, XXXI, 



. 285; XXXII, 322. 



Hyracodon, new, Troxell, 34. 



Illinois, geography, Ridgley, 361. 



Industry, Personnel Relations in, 

 Simons, 238. 



Interferometer, Etalon, 350. 



Iowa Geol. Survey, 58. 



Isostasy, relation to uplift and sub- 

 sidence, Bowie, I. 



Isotopes, discussion on, 300. 



J 



Java, Encyclopaedisch-Bureau, pub- 

 lications, 356. 



— Idjen Highland geology, Kem- 

 merling, 355. 



Knowlton, F. H., evolution of geo- 

 logic climates, 187. 



Lambert, W. D., mechanical curi- 

 osities in earth's field of force, 

 129. 



Lankester, R., Secrets of Earth 

 and Sea, 307. 



Lind, S. C, Chemical Effects of 

 Alpha Particles and Electrons, 

 231. 



Llanoria, Paleozoic area in 

 Louisiana and Texas, Miser, 61. 



Lull, R. S., fauna of Dallas sand- 

 pits, 159. 



M 



Map, new, of Alaska, 360; of the 

 North Pacific Ocean, z^2. 



— projection, Deetz, 306. 



Maps, Geologic, Elles, 357. 



Marble, Alabama, drag-folding in, 

 Dale, 319. 



Marsh Collection of Vertebrates, 

 Thorpe, 93, in, 309, 334; Trox- 

 ell, 21, 34, 41, 197. 



Mason, F. A., Processes of Dye 

 Chemistry, 52. 



Mathematics for Students of Agri- 

 culture, Rasor, 352. 



Mathematik in der Natur, Emch, 

 232. 



Matthew, W. D., fossil vertebrates 

 of Cretaceous Tertiary, 209. 



Maxted, E. B., Ammonia and the 

 Nitrites, 228. 



McPherson, W., Chemistry, 229. 



Merycoidodon, Thorpe, 334. 



Miller, E. H., Analytical Chemistry, 

 227. 



Mills, J., Within the Atom, 351. 



Mineralogie, Lehrbuch, Tschermak, 

 306. 



Mineralogische Tabellen, Groth 

 and Mieleltner, 306. 



MINERALS. 



Alabandlte, 239. 

 Antimony, California, 330. 



Miser,H. D., Llanoria, Paleozoic 



area in Louisiana and Texas, 61. 

 Morse, E. S., living gastropods of 



New England, 308. 



N 



Neon lamps for Stroboscopic work, 

 Ashton, 54. 



Nevada, Cenozoic Mammalian 

 remains, Stock, 250. 



Newman,, H. H., Evolution, Gene- 

 tics, etc., 360. 



New Mexico, Stratigraphy of, 

 Rich, 295. 



Noyes, W. A., Organic Chemistry, 

 52. 



' O 



OBITUARY. 



Allen, J. A., 364. 



