INDEX. 



469 



EOCKS — 



Alnoite, Manheim, N, Y., Smyth, 

 290. 



Augite syenite, Montana, 136. 



Flow and fracture as related to 

 structure, Hoskins, 213. 



Leucitite, Montana, 143. 



Missourite, Highwood Mts., Mis- 

 souri, 315. 



Nephelite Basalt, Montana, 140. 



Pseudo - leucite - sodalite - tinguaite, 

 Montana, 194. 



Quartz - tinguaite - porphyry, Mon- 

 tana, 194. 



Tinguaite porphyry, Montana, 189. 



Trachyte, Montana, 137. 

 Hontgen rays, 452. 



nature of, Thomson, 381. 



and Phenomena of the Anode and 



Cathode, Thompson, 392. 



specular reflection of, Rood, 173. 

 Eood, 0. N., specular reflection of the 



Rontgen rays, 173. 

 Rosenbusch, Mikroskopische Physio- 



graphie, 460. 

 Roth well, R. P., Mineral Industry, 



vol. iv, 396. 



s 



Safford, phosphates in Tennessee, 462. 

 Sea-water, gold and silver in, Liver- 



sidge, 304. 

 Smyth, C. H., Jr., dikes of alnoite at 



Manheim, N. Y. , 290. 

 Soils, analvsis of Hawaiian, Lyons, 



421 ; alkali in, Hilgard, 100. 

 Solar spectrum, photometry of the 



ultra violet portion, Simon, 380. 

 Solar X-rays on Pike's Peak, search 



for, Cajori, 289. 

 Somali-land, geology of, 393. 

 South Africa Geological Society, vol. 



1, Draper, 169. 

 Species, origin of, in relation to sepa- 

 ration, Ortmann, 63. 

 Steam jet, rate of condensation in 



the, Palmer, 247. 

 Steam, saturated dryness of, and the 



condition of steam gas, Reynolds, 



450. 

 Steel magnets, induction coefficients 



of hard, Peirce, 347. 

 Switzerland, glacial deposits in, 301. 



Tennessee, phosphates in, Safford, 

 462. 



Thermal expansion, residual viscos- 

 ity, Day, 342. 



Thompson, E. P., Rontgen Rays, 392. 

 Thorpe, T. E., Humphrey Davy, Poet 



and Philosopher, 449. 

 Transformer, the Principles of the, 



Bedel], 453. 

 Tyrrell, J. B., is land around Hudson 



Bay at present rising ? 200. 



u 



United States Geological Survey, 

 1894-95,84,456. 



Van Hise, C. R., North American 

 pre-Cambrian geology, 205. 



Verrill, A. E., the Opisthoteuthidse, 

 74 ; molluscan archetype, 91. 



w 



Walker, T. L. , percussion figures on 

 cleavage plates of mica, 5. 



Warming, E. , Okologischen Pflanzen- 

 geographie, 89. 



Washburn Observatory, Univ. of 

 Wisconsin, publications, 90. 



Weather period, seven-day, Clayton, 7. 



Weed, W. H., Bearpaw Mts., Mon- 

 tana, 136, 188 ; Missourite, High- 

 wood Mts., Montana, 315. 



Weeks, F. B., Bibliography of N. A. 

 geology, etc., 303. 



White, T. G. , original Trenton rocks, 

 430. 



Wieland, G. R., Archelon ischyros 

 from South Dakota, 399. 



X-rays, see Rontgen Rays. 



solar search for, on Pike's Peak, 

 Cajori, 289. 



Yellowstone Park, Tertiary floras, 



Knowlton, 51. 

 Yucatan, analysis of specimens from, 



Howe and Campbell, 413. 



Zittel, K.A. von, Text-Book of Palee- 



ontology, 394. 

 Zoology — 



Molluscan archetype, Yerrill, 91. 



Opisthoteuthidse, Yerrill, 74. 



