498 



INDEX. 



Messina earthquake, Perret. 321. 



Meteorites, stony, composition, Mer- 

 rill, 469. 



Michelson's ether research, Kohl, 

 338. 



Microscope, artificial daylight for 

 use with, Wright, 98. 



Miller, W. J., ice-movement and 

 erosion in Adirondacks, 289. 



Milne, W. J., Algebra, 272. 



Mineral Catalogue, Foote, 490. 



— Collections, Prendler, 343. 



Mineralogie, Hintze, 265. 



Mineralogy, Optical, N. H. and A. 

 N. Winchell, 412. 



MINERALS. 



Alamosite, Mexico, 399. 



Benitoite, crystal form, 398. 



Diamonds in Africa, 489. Diopside, 

 1. 



Hollandite, 344. 



Iodyrite, Nevada, 210 ; New South 

 Wales, 212. 



Jadeite, Upper Burma, 343. 



Neptunite crystals, Calif., 235. 



Pyrite, crystals, Utah, 467. 



Quartz, as geologic thermometer, 

 421. 



Eubies, Upper Burma, 344. 



Warwickite, composition, 179. 

 Minerals, Eock-forming, Johannsen, 



490. 

 Minnesota, divided lakes, Griggs, 



388. 

 Mississippi geol. survey, 264. 

 Missouri Devonian, Greger, 374. 

 Mixter, W. G., heat of oxidation of 



tin, 229 ; heat of formation of 



titanium oxide, 393. 

 Molecular attraction, electric origin, 



Sutherland, 487. 

 Mount Stephen rocks and fossils, 



Walcott, 414. 

 Mount Weather Observatory, bul- 

 letin, 270, 492. 



N 

 New Jersey geol. survey, 189. 

 New York, glacial waters in central, 



Fairchild, 340. 

 New Zealand geol. survey, 89. 

 Nichols, E. L., Physics, 85. 

 North Carolina geol. survey, 87. 



OBITUARY. 



Ayrton, W. E., 100. 

 Frazer, P., 420. 

 Gibbs, W., 100, 253. 



Hough, G. W., 196. 

 Seeley, H. R,, 272. 

 Observatory, Allegheny, 270, 420. 



— Harvard College, publications, 

 269, 420. 



— Mt. Weather, 492. 



— Washburn, 270. 

 Oklahoma geol. survey, 339. 

 Osborn, H., Economic Zoology, 97. 



Palache, C, benitoite, 398 ; alamo- 

 site from Mexico, 399. 



Palmer, H. E., estimation of thal- 

 lium, 379. 



Parasitology, 194. 



Penck, A., die Alpen im Eiszeitalter, 

 341. 



Perret, F. A., Messina earthquake, 

 321. 



Petrology, Hatch, 410. 



Physical measurements, Duff and 

 Ewell, 488. 



Physics, Adams, 339 ; Hoadley, 339. 



— Elements, Nichols and Franklin, 

 85. 



— Text-Book, Duff, 85. 

 Physiologie, Allgemeine, Verworn, 



419. 

 Pierce, B. O., permeabilities and 



reluctivities for steel, 273. 

 Plimmer, R. H. A., Chemical Con- 

 stitution of Proteins, 271. 

 Polarization, absence in artificial 



fogs, Barus, 402. 

 Positive rays, Wien, 84. 

 Potential in dark cathode space, 



Westphal, 84. 

 Poulton, E. B., Essays on Evolution, 



193. 

 Prisms, deviation of rays by, Uhler, 



223. 

 Proteins, Chemical Constitution, 



Plimmer. 271. 



Radiation investigations, Coblentz, 



188. 

 Radio-active elements, chemistry, 



Stromholm and Svedberg, 404. 

 Radio-activity, Raffety. 406. 



— of thorium, Ashman, 65. 

 Radiometer for observing small 



pressures, Dessar, 405. 

 Radium, a particle from, Rutherford 

 and Geiger, 262. 



— heat evolved by, von Schweidler 

 and Hess, 83. 



— emanation, Rutherford, 185, 336 ; 

 condensation of, Rutherford, 487 ; 



