INDEX. 



477 



Minerals — 



Tourmaline, etching-figures, 178 ; 



secondary enlargement, 187. 

 Tripuhyite, Brazil, 316. 

 Xenotime, Ontario, 235. 

 Zircon, No. Carolina, 127; Calif., 



426. 

 Zirkelite, 153. 



Mississippi river, floods, 240. 



Missouri Botanical Garden, 8th an- 

 nual report, 78. 



N 



Nebraska, Phytogeography of, Pound 

 and Clements, 471. 



New Jersey, physical geography, 

 Salisbury, 468. 



Nipher, F. E., measurement of pres- 

 sure of wind, 468. 



Noyes, W. A., Organic Chemistry, 

 147. 



Obituary — 



Haughton, S., 80. 



Marcou, J., 398. 



Sogers, W. A., 322. 



Schrauf, A., 160. 



Winnecke, Prof., 80. 

 Ostwald, W., Works on Chemistry, 



221, 222. 

 Ostwald's Klassiker der exakten Wis- 



senschaften, 80. 



319. 



Peirce. B. 0., properties of seasoned 



magnets, 334. 

 Pendulum, new form, Stevens, 14. 

 Penfield, S. L., clinohedrite from 



Franklin, N. J., 289. 

 Pennsylvania, Brownstones of, Hop- 

 kins, 78. 

 Perry, J., Applied Mechanics, 80. . 

 Petrology for students, Harker, 317. 

 Pfeffer, W., Pflanzenphysiologie, 317. 

 Phosphorescence produced by X-rays, 

 Burbank, 54 ; by electrification, 

 Trowbridge and Burbank, 55. 

 Physical Experiments, Gage, 222. 

 Physics, Deductive, Rogers, 148. 



Experiments in General, Stratton 



and Millikan, 389. 

 Manual of Experiments in, Ames 



and Bliss, 302. 

 Stone, 222. 



Physikalisch-chemische Propadeutik, 

 Griesbach, 321. 



Pilsbrv, H. A., " Florencia forma- 

 tion," 232. 



Pratt, J. H. , mineralogical notes from 

 North Carolina, 126, 429; rhodo- 

 lite, 294. 



Preston, H. L., San Angelo meteorite, 

 269 ; iron meteorites, structure and 

 origin, 62. 



Prinz, geological experiments, 392. 



Psychrometer, Leavitt, 440. 



R 



Eadiant heat, transmission by gases, 



Brush, 222. 

 Eansome, F. L., lava flows of the 



Sierra Nevada, 355. 

 Rayleigh, nature of the X-rays, 467. 

 Rice, W. N., Dana's Textbook of 



Geology, revised, 393. 

 Riggs, E. S., skull of Amphictis, 257. 

 Rocks— 



Amphibole-pvroxene rock, Calif., 



423. 

 Diorite, Calif., 422. 

 Granitic breccias of the Cripple 



Creek region, Stone, 21. 

 Itacolumite, accessory elements of, 



Derby, 187. 

 Latite, Sierra Nevada, Ransome. 



355. 

 Quartz-alunite rock, Calif., 424. 

 Quartz - amphibole - diorite, Calif. , 

 421. 

 Rogers, F. J., Deductive Physics, 148. 

 Rontgen radiation, influence on com- 

 bination of ions, Rutherford, 386. 

 Rontgen rays, heat produced by, 

 Dorn, 148. 



nature of, Stokes, 301. 

 original papers on, Rontgen, 223. 

 and ordinary light, Rayleigh, 467. 

 see also X-rays. 

 Rubens, H., absorption of infra-red 



rays by rock salt and sylvine, 33. 

 Russell, I. C, Volcanoes of North 

 America, 74. 



Salisbury, Physical Geography of 



New Jersey, 468. 

 j Science abstracts, 398. 

 : Self-inductance, measurement of, 



Guthe, 141. 

 Seward, A. C, Fossil Plants. 472. 

 Shunt box, Stine, 124. 



