480 



INDEX. 



Speyers, C. L., laeat of a change and 

 changes in dielectric constants, 61. 



Spinthariscope, Crookes, 99. 



St. Vincent, tuffs of Soufriere, Howe, 

 317. 



Stellar revolutions within the Galaxy, 

 Very, 127. 



Talbot, M., fauna of Stafford lime- 

 stone of New York, 148. 



Texas, mercury minerals of, Hill, 

 251 ; Moses, 253. 



Thorium activity, induced, 470. 



U 



Ultra-Violet light, action upon rare 

 earth oxides, Baskerville, 465. 



— rays, absorption by ozone, Meyer, 

 470. 



United States — See Geological Ee- 

 ports ; also Coast Survey and Na- 

 tional Museum. 



Universe, Sub-mechanics of, Eey- 

 nolds, 331. 



Van't Hoff, J. H., Physical Chemis- 

 try, 390. 



Very, F. W., cause of nebulosity 

 around Nova Persei, 49 ; stellar 

 revolutions within the galaxy, 127. 



W 



Warren, C. H., mineralogical notes, 

 337. 



Washington, H. S., Chemical analy- 

 ses of igneous rocks, 396. 



Wasatch Mts, Little Cottonwood 

 granite, Emmons, 139. 



Weisbach, Tabellen, 335. 



Weller, S., Paleozoic faunas of New 

 Jersey, 103. 



Wheeler, L. P., radio-active gas in 

 surface water, 328. 



Wieland, G. R., polar climate in 

 time in relation to evolution, 401. 



Williams, H. S., correlation of geo- 

 logical faunas, 334; shifting of 

 faunas, 334. 



Williston, S. W., North American 

 Plesiosaurs, 473. 



Wisconsin geological survej^ , 267. 



Wolfrum, A., Chemisches Prakti- 

 kum, 101. 



Wortman, J. L., studies of Eocene 

 mammalia in the Marsh collection, 

 345. 



ZOOLOGY. 



Catalogue of Birds' Eggs, British 



Museum, 400. 

 Hand-list of Birds, Sharpe, 400. 



