478 



INDEX. 



Leavitt, B, G., cause of root-pressure, 



381. 

 Lightning, spectrum of, 68. 

 Liquid air, density and composition, 



Ladenburg and Kriigel, 234. 

 Luquer, Minerals in rock sections, 319. 



M 



Mammals, origin of, Osborn, 92. 

 Marsh, 0. C, footprints of Jurassic 

 Dinosaurs, 229 ; note on a Bridger 

 Eocene carnivore, 397 ; obituary no- 

 tice by C. E. Beecher, 403 ; biblio- 

 graphy of, 420. 

 Maryland Geol. Survey, 69. 

 Matter, Energy, Force and Work, 



Holman, 237. 

 Means, T. H., determination of solu- 

 ble mineral matter in a soil, 264. 

 Membranes, semi-permeable, Mijers, 



235. 

 Meteoric iron, containing platinum 



and iridium, Davison, 4. 

 Meteorite, Ness Co., Kansas, Ward, 



233. 

 Meteorites, gases yielded by, Travers, 



244. 

 Micas, crystal symmetry of, 199. 

 Minerals in rock sections, Luquer, 319. 

 Minerals — 



Amphibole, 297. 



Bastnasite, Colorado, 51. Batavite, 



76. Biotite, 202, 294. 

 Cedarite, 76. Chromite, North Car- 

 olina, 281. Corundum in India, 

 and in Canada, 318. Covellite, 

 Montana, 56. 

 Enargite, Montana, 56. 

 Gold of Georgia, 168. Goldschmidt- 



ite, 357. Grunlingite, 76. 

 Hydromica, New Jersey, 365. 

 Jeffersonite, 55. 

 Ktypeite, 320. 



Lagoriolite, 319. Lepidolite, 202. 

 Mitchellite, 286. Mossite, 75. Mus- 

 covite, 203. 

 Phlogopite, 201. Planoferrite, 76. 

 Polycrase, Canada, 243. Powel- 

 lite crvstals, 367. Prosopite.Utah, 

 53. 

 Eoscoelite, 451. 



Senaite, 75. Silver, No. Carolina, 

 242. Sulphate, fibrous, Mon- 

 tana, 57. 

 Thalenite, 320. Tourmaline, 97. 



Tysonite, 51. 

 Valleite, 75. 

 Zinnwaldite, 202. 



Mixter, W. G., experiments with 

 endothermic gases, 323 ; partial 

 non-explosive combination of ex- 

 plosive gases and gaseous mixtures, 

 327. 



Mont Blanc, geology and petrog- 

 raphy, Duparc and Mrazec, 242. 



Moore, B., Physiology, 473. 



N 



New Guinea, etc., Zoological studies, 



Willey, 79, 322. 

 Newth, G. S., Manual of Chemical 



Analysis, 67. 

 Nipher, F. E., gravitation in gaseous 



nebulae, 459. 

 Norton, J. T., Jr., hydrochloric acid 



in titrations by sodium thiosul- 



phate, 287. 

 Norway, Crustacea of, Sars, 79. 



Obituary — 



Hauer, Franz Eitter von, 474. 



Marsh, O. C, 403. 



Peck, L. W., 248. 



Wiedemann, G., 402. 

 Optical instruments of E. Fuess, 



Leiss, 396. 

 Osborn, H. F., Origin of mammals, 



92. 

 Ostwald's Klassiker der exacten Wis- 



senschaften, 170. 



Palache, C, powellite, 367. 



Patagonia, mollusks from, Pilsbry, 

 126. 



Penfield, S. L., composition of tour- 

 maline, 97. 



Peters, C. A., titration of oxalic acid, 

 461. 



Phosphorescence at low temperatures, 

 Lumiere, 472. 



Physical Geography, Davis, 248. 



Physics, General, Hastings and Beach, 

 314. 



History of, Cajori, 394. 



Physiology, Moore, 473. 



Pilsbry, H. A., mollusks from Pata- 

 gonia, 126. 



Pirsson, L. V., phenocrysts of intru- 

 sive igneous rocks, 271. 



Pratt, J. H., chromite, origin, etc. of, 

 281. 



