INDEX. 



501 



Chemistry — 



Iodine, phosphorus, and sulphur, mo- 

 lecular mass in solution, Beckmann, 

 164. 

 Nitrogen in uraninite, Hillebrand, 384. 

 Ozone and formation of nitrates in 



combustion, Ilosvay, 251. 

 Phosphorus, action of light on, Ped- 



ler, 492. 

 Selenic acid, Cameron and Macallan, 



494. 

 Silicates, natural, constitution of, 

 Clark and Schneider, 303, 405, 452. 

 Solutions, nature of, Pickering, 163. 

 Sulphuric acid, vapor tension, Perkins, 



301. 

 Tartrate solutions, circular polariza- 

 tion, Long, 275. 

 Tellurium, antimony and copper, new 



element in, Griinwald, 250. 

 Vapor-density method, Schall, 415. 

 Clarke, F. W., constitution of natural 



silicates, 303, 405, 452. 

 Coast and Geodetic Survey, U. S., report, 



260. 

 Cold-waves, prediction, Russell, 463. 

 Corona, solar, Bigelow, 343. 

 Cross-infertility, in evolution, Gulick, 



437. 

 Crystallography, elements, Williams, 

 424. 



Dana, B. S., Selenium and Tellurium 

 minerals from Honduras, 78. 



Dana, J. D., Rocky Mountain Protasis 

 and Post-Cretaceous Mountain mak- 

 ing, 181; Long Island Sound in the 

 Quaternary Era, 425. 



Denison University Scientific Labora- 

 tories, Bulletin, 499. 



Diller, J. S., Sandstone dikes in Califor- 

 nia, 334 ; Cretaceous rocks of north- 

 ern California, 746. 



Dodge, W. W., Lower Silurian Grapto- 

 lites from northern Maine, 153. 



Dredging, deep sea, Agassiz, 497. 



Dudley, W. L., curious occurrence of 

 vivianite, 120. 



E 



Earl, J., Laboratory work, 331. 



Earthquake countries, construction of 

 buildings in, Milne, 262. 



Electric conductivity of liquids, effect of 

 pressure on, Barus, 219. 



currents, alternating and continu- 

 ous in relation to the human body, 

 Lawrence and Harris, 420. 



discharges in magnetic fields, Witz, 

 331. 



Electric disturbances, velocity of trans- 

 mission, Thomson, 330. 



oscillations in air, Trowbridge and 

 Sabine, 166. L ;,,„ (gj 



Electricity, magneto-optical generation 

 of, Sheldon, 196. 



Emerson, B. K. ( "Bernardston series" 

 of metamorphic upper Devonian rocks, 

 263, 362. 



Engine and Boiler Trials, Hand Book of, 

 Thurston, 262. 



Ensign, J. R., determination of bromine, 

 145. 



Evolution, cross-infertility in, Gulick, 

 437 ; utilitarianism in relation to, Gu- 

 lick, 1. 



Expansion, determination of the coeffi- 

 cient of cubical, Mayer, 323. 



Exposition Universelle, Paris, 96. 



Eyerman, J., Determinative Mineralogy, 

 92. 



Feistmantel, Coal and Plant bearing beds 



of E. Australia, 495. 

 Fontaine, W.M., the Potomac or Younger 



Mesozoic Flora, 1 68. 

 Forel, F. A., Alpine Glaciers, 497. 

 Foshay, P. M., preglacial drainage of 



Western Pennsylvania, 397. 

 Fossil, see Geology. 



G 



Gas battery, improved form, Mond and 



Langer, 417. 

 Genth, F. A., Contributions to Mineral- 

 ogy No. 48, 114; No. 49, 199. 

 Geological Railway guide for America, 

 Macfarlane, 342. 



Society of America, Bulletin, 91 ; 

 Indianapolis meeting, 332. 



of London, presidential address, 

 Blanford, 254. 

 Geological survey, U. S., 8th Ann. report, 



1886-87, 90,' 334. 

 Geologists, international congress, Amer- 

 ican committee, 166. 

 Geology — 



Appomattox Formation, McGee, 1 5. 

 Araucarioxylon of Kraus, Knowlton, 



257. 

 Bandaisan, eruption of, 169. 

 Bernardston Series of Devonian rocks, 



Emerson, 263, 362. 

 Brotfruchtbaums, uber die Reste eines, 



Nathorst, 257. 

 Canadian fuels, hygroscopicity of, 



Hoffmann, 92. 

 Chert-beds, organic origin of, Hinde, 

 256. 



