INDEX. 



475 



N 



Negritos of Zambale, Eeed, 167. 

 New Hampshire, geology of, Pirs- 



son and Washington, 344. 

 New Jersey geol. survey, 1904, 323. 

 New Mexico, Triassic system, Keyes, 



423. 

 New York, graptolites of, Buede- 



mann, 406. 



— Helderbergian crinoids, Talbot, 17. 



— overthrust faults in central, P. F. 

 Schneider, 308. 



New Zealand, glaciation, Andrews, 



464. 

 Nobel prizes in 1902, 167. 

 Nuclei, efficient, in dust-free air, 



Barns, 297. 



OBITUARY. 



Von Bezold, W., 470; Brace, D., 

 470; Buckton, G. B., 412. 



Gopeland, B., 470. 



Errara, L.,412. 



Eeclus. E., 412. 



Yon Eichthofen, F., 412. 

 Observatory, Cincinnati, 411 ; Har- 

 vard College, 411 ; Mt. . Wilson, 



Cal., 80 ; West Hendon House, 80 ; 



Yerkes, 411. 

 Optical character of birefracting 



minerals, Wright, 285. 

 Ore deposits, Geology of western, 



Lakes, 409. 



Pacific, tubicolous annelids from, 

 Bush, 75. 



Palaeontologia Universalis, 406. 



Penck A., die Alpen im Eiszeitalter, 

 407. 



Penfield, S. L., tychite, 217. 



Peterson, origin of Daemonelix, 465. 



Physikalisch-chemische Tabellen, 

 Landolt-Bornstein, 401. 



Physiologie, Beitrage zur chem. 

 Hofmeister, 168. 



Pirsson, L. V., petrographic pro- 

 vince of Central Montana, 35 ; 

 geology of New Hampshire, 344. 



Portugal, Lower Cambrian fauna, 

 Delgado, 159. 



Pumpelly, R., Explorations in Turk- 

 estan, 245. 



Quartz apparatus for laboratory pur- 

 poses, Mylius and Meusser, 66. 



— permeability to gases, Berthelot, 

 66. 



Radio-active elements, disintegra- 

 tion products, Boltwood, 253. 



— minerals, Eutherford and Bolt- 

 wood, 55; Strutt, 68. 



— waters, Hot Springs, Ark., Bolt- 

 wood, 128. 



Radio-activity, absence of excited, 

 due to temporary exposure to y- 

 rays, 68 ; of thorium, Sackur, 65. 



Radium, action of emanations on 

 minerals, Baskerville and Lock- 

 hart, 95. 



— effect of temperature on rate of 

 decay of deposit from, Bronson, 60. 



— emanations, helium from, Him- 

 stedt and Meyer, 399. 



— production from uranium, Bolt- 

 wood, 239. 



— slow transformation products, 

 Eutherford, 321. 



— and uranium in radio-active miner- 

 als, Eutherford and Boltwood, 55. 



Ramsay, neon and helium in air, 65. 

 Raymond, P. E., fauna of Chazy 

 limestone, 353. 



ROCKS. 



Andesites, Arizona, Guild. 314. 

 Basalt, Arizona, Guild, 316. 

 Belknap Mts., N. H., Pirsson and 



Washington, 344. 

 Granites, secondary origin of, Daly, 



185. 

 Petrographic province of Central 



Montana, Pirsson, 35. 

 Quartz-basalt, Arizona, Guild, 318. 

 Ehyolite, Arizona, Guild, 313. 

 Eiebeckite rocks, genesis, Murgoci, 



133. 

 Eock cleavage. Leith, 406 ; Becker, 

 407. 

 Rogers, A. W., Geology of Cape 



Colony, 163. 

 Rontgen rays, charging effects, 



Halm, 461. 

 Rutherford, E., radium and uranium 

 in radio-active minerals, 55 ; slow 

 transformation products of radium, 

 321. 



Shaller, W. T., purpurite, a new 



mineral, 146. 

 Schneider, H., Soils and Fertilizers, 



398. 

 Schneider, P. T., overthrust faults 



in central New York, 308. 



