490 



INDEX. 



Thorpe, T. E., Dictionary of Applied 



Chemistry, vol. hi, 395. 

 Trowbridge, J., oscillations of lightning 



discharges, 195: physical abstracts, 



72, 150, 301, 395, 478. 



Ulrich, E. 0., Minnesota geological Sur- 

 vey, vol. iii, 239. 



Upham, W., epeirogenic movements 

 associated with glaciation, 1 14. 



Upsala, Bulletin of Geological Institu- 

 tion, 309. 



Voltameter, use of cupric nitrate in, 

 Beach, 81. 



w 



Walden, P. T , double chlorides, bro- 

 mides and iodides of caesium and 

 cadmium, 4 25. 



Walther, J.. Bionomie des Meeres, 240. 



"Water, amount of, in the soil after a 

 drought, Reiset, 157. 



Waves in air, Raps, 479. 



Weichmann. P. C, Lecture notes on 

 Theoretical Chemistry, 300. 



Wells, H. L., ammonium-lead halides, 

 25; rubidium-lead halides, etc., 34; 

 double salts of lead tetra-chloride, 

 180; quantitative determination of 

 caesium, 186; peculiar halides of po- 

 tassium and lead. 1 90 ; double chlo- 

 rides, bromides, and iodides of caesium 

 and cadmium, 425; double chlorides, 

 bromides and iodides of caesium and 

 zinc, 431. 



Wheeler, H. L., double halides of arsenic 

 with caesium and rubidium. 88 ; double 

 halides of antimony with rubidium, 

 269. 



Whitfield, R. P.. geol. survey of New 

 Jersey, 308. 



Williams, G. H\, Piedmontite, and schee- 

 lite in rhyolite of South Mt, Pa., 50. 



Williams, H. S., ventral plates of the 

 Holonema of Newberry, 285. 



Willis, B., Appalachian faulting, 257. 



Wright, G. F., Kxtra-morainic drift of 

 New Jersey, 304. 



Wright, M. R., Heat, 301. 



Zepharovich, Y. von, Mineral. Lexicon 

 fur Oesterreich. iii Band, 482. 



Zirkel. P., Lehrbuch der Petrographie, 

 152. 



Zoological Station, Naples, 80. 



Erratum. — On page 83 of this volume, last paragraph, for cathode read 

 . wde, for anode read cathode. 



