INDEX. 



515 



Chemistry — 



Metargon, Dewar, 360, 361. 



Molecular mass of solid substances, 

 Traube, 95. 



determined by the boiling 

 point, "Walker and Lumsden, 429. 



Molybdenum, iodometric determi- 

 nation, Gooch, 168. 



Neon and Metargon, Ramsay and 

 Travers, 360. 



Nickel and cobalt, separation by hy- 

 drochloric acid, Havens, 396. 



Ozone, boiling point, Troost, 362. 



Salts, photoelectric properties of 

 colored, Elster and Geitel, 95. 



Sodic sulphate, transition tempera- 

 ture, Richards, 201. 



Sodium carbide, Matignon, 196. 



sub-oxide and peroxide, For- 

 crand, 501. 



Sulphides, etc., detection of, 

 Browning and Howe, 317. 



Vapor pressure of reciprocally sol- 

 uble liquids, Ostwald, 93. 

 Coherer, theory of, Van Gulik, 433 ; 



Aschkinass, 503. 

 Colloids, compressibility of, Barus, 



285. 

 Crookes, W., position of helium, ar- 

 gon and krypton, in scheme of ele- 

 ments, 189. 



Dana, E. S., Text-Book of Mineral- 



ogy, 275. 

 Darton, N. H., dikes of felsophyre 



and basalt in Virginia, 305. 



E 



Eakle, A. S., erionite, 66; biotite- 

 tinguaite dike in Essex Co., Mass., 

 489. 

 Earthquakes of the Pacific coast, 



Holden, 200. 

 Eaton, G. F., prehistoric fauna of 



Block Island, 137. 

 Electric currents excited by Rontgen 

 rays, Winkelmann, 432. 



discharge, chemical effects of 

 silent, Berthelot, 430. 



in vacuum tubes, J. E. Moore, 

 21. 



energy by atmospheric action, 

 Warren, 93. 

 furnace, fusion, Oddo, 194. 

 Electricity, Industrial, Graffigny- 

 Elliot, 200. 

 and Magnetism, Nipher, 432. 

 Electrochemistrv, ionic reactions, 

 Ktister, 93. 



Electrolvte, theorv of Hall effect in, 



504. 

 Electrosynthesis, Mixter, 217. 

 Energy, Doctrine of, 503. 

 Entomologv, Text-book of, Packard, 



103. 



F 



Field Columbian Museum, 104. 



Fiji, Tertiary limestone reefs of, 



Agassiz, 165. 

 Foote, W. M., native lead with roeb- 



lingite, Franklin Furnace, N. J. ,187. 

 Fossils, vertebrate, for the National 



Museum, Marsh, 101. 

 See Geology. 



G 



Gas, a new, Brush, 431. 

 Gases, Free Expansion of, 504. 

 Geological Reports and Surveys — 



Canada, 1897, 434, 510. 



Nova Scotia, 510. 



United States, 18th annual report. 

 Walcott, 433 ; Topographic Atlas, 

 102. Publications of, 508, 509. 

 Geology — 



Biachiopod fauna of Rhode Island, 

 Walcott, 327. 



Calainaria of the Dresden Museum, 

 Geinitz, 198. 



Cephalopoda, fossil, of the British 

 Museum, Crick, 198. 



Ceratopsia, new species, Marsh, 92. 



Cretaceous f oraminif era of New Jer- 

 sey, Bagg, 509. 



Cycad horizons in the Rocky Moun- 

 tain region, Marsh, 197. 



Devonian fauna of black shale of 

 Kentucky, Girty, 384. 



Fauna, prehistoric, of Block Island, 

 Eaton, 137. 



Fossil Medusae, Walcott, 509. 



Fossils from Canada, two new, 

 Whiteaves, 198. 



use of, in determining geolog- 

 ical age, Marsh, 483. 



Geological history of Panama and 

 Costa Rica, Hill, 435, 505. 



Ichthyodectes, species of, Hay, 225. 



Judith Mountains, geology, Weed 

 and Pirsson, 508. 



Jurassic formation on Atlantic 

 coast, Marsh, 105. 



Loess, eolian origin of, Keyes, 299. 



Mammals, origin of, Marsh, 406. 



Metarnorphisni of rocks and rock 

 nowage, Van Hise, 75. 



