512 



INDEX. 



GE O L O G Y — continued. 



Paleontologia Universalis, 447. 

 Plains in Cape Colony, Sckwarz, 



185. 

 Strornatoporoids in Ontario, Parks, 



86. 

 Terraces, aggraded, of the Eio 



Grande, Keyes, 467. 

 Tertiary formations of the John 



Day region, Merriam, 377. 



— mamnial horizons of No. Amer- 

 ica, Osborn, 504. 



— peneplain in Arizona and New 

 Mexico, Eobinson, 109. 



Trias, stratigraphy of the Western 



American, Smith, 446. 

 Trilobites in the Chicago area, 



Weller, 445. 



— Silurian, of the East Baltic, 

 Schmidt, 445. 



Unionidas, from Montana Laramie 

 clays, Whitfield, 446. 



Upper Perrnian red beds of Okla- 

 homa and Texas, Beede, 86. 



Volcanic activity, Barus, 483. 



Volcanoes, active, of the earth, 

 Mercalli, 282. 



— of Catalonia, Washington, 217 ; 

 Calderon, Cazurro and Fernan- 

 dez-Navarro, 282. 



Wyoming, Big Horn basin, geology. 

 Fisher, 503. 



Gibbs' geometrical theory of reflec- 

 tion of light, Ewell, 412. 



Goldschmidt, V., anhydrite twin 

 from Aussee, 487. 



Gooch, F. A., determination of cop- 

 per, 65 ; potassium aluminium sul- 

 phate, 167. 



Gordon, C. H., Mississippian forma- 

 tions of Eio Grande valley. New 

 Mexico, 58. 



Gregory, H. E., Bibliography of 

 Connecticut Geology, 447. 



H 



Harvard College Observatory, 509. 



Heath, F. H., determination of cop- 

 per, 65. 



Herter, C. A., Bacterial Infections 

 of the Digestive Tract, 91. 



Hillebrand, W. F., vanadium sul- 

 phide patronite, etc., from Peru, 

 141 ; Texas, mercury minerals, 259. 



Hofmeister, F., Beitrage zur chem- 

 ischen Physiologie, 91. 



Holm, T., Anemonella thalictroides, 

 243. 



Horse, skeleton of Arab, Osborn, 380. 



Hough, T., Physiology, 448. 

 Housum, C. R., action of dry am- 

 monia, 479. 

 Hunter, G. W., Biology, 448. 



I 

 Illinois geol. survey, 447. 

 India, Board of Scientific Advice, 



report, 508 ; geol. survey, 181. 

 Indians, Handbook of American, 



Hodge, 91. 

 Inorganic and Organic Substances, 



Solubilities, Seidell, 440. 

 Islay, geology, Wilkinson, Teall and 



Peach, 503. 



Jahrbuch fur Mineral ogie, etc., 92. 

 Jones, H. C., Physical Chemistry, 



440. 

 Jordan, D. S., Evolution and Animal 



Life, 449. 



K 



Kellogg, V. L., Evolution and Ani- 

 mal Life, 449.' 



Keyes, C. R., aggraded terraces of 

 the Eio Grande, 467. 



Kip, H. Z., determination of the 

 hardness of minerals, 23. 



Korn, A., Elektrische Fernphoto- 

 graphie, 82. 



Kristallographie, Physikalische, 

 Somerfeldt, 381. 



Kunz, G. F., forms of Arkansas dia- 

 monds, 275. 



Larmar, J., Memoir and Correspond- 

 ence of Sir G. G. Stokes, 81. 



Lawton, E. E., bands in the spec- 

 trum of nitrogen, 101. 



Lehigh University, Astronomical 

 papers, Ogburn, 283. 



Light, Gibbs' geometrical theory of 

 reflection of, Ewell, 412. 



Linneus, Memorials of, 508. 



Lotka, A. J., Mode of growth of 

 material aggregates, 199, 375. 



M 



Magnetic compounds of manganese 

 and boron, 80. 



— fields on the resistance of elec- 

 trolytes, Berndt, 442. 



Martin, G., Practical Chenristry, 440. 



Maryland geol. survey, 180, 181. 



Material aggregates, mode of growth, 

 Lotka, 199, 375. 



