512 



INDEX. 



Riddle, R. N., crystallized tungsten, 

 160. 



Rocks — 



Allanite and epidote. paragenesis of 



in rocks, Hobbs, 223. 

 Caniptonite of Hawes, new locality, 



Nason, 229. 

 Leucite-phonolite in "Wyoming Ter., 



Hague, -43. 

 Metamorphism of, Irving, 493. 

 Peridotite, Ark., Branner and Brack- 

 ets 50. 

 Porphyrite bosses in N. J., Kemp, 

 130. 

 Rosa, E. B., determination of the ratio 

 of electromagnetic to electrostatic 

 unit, 298. 

 Rowland, H. A., ratio of electromag- 

 netic to electrostatic unit of electri- 

 city, 289. 



Sargent, C. S., Scientific Papers of A. 

 Gray, 419. 



Sheldon, S., magnetism of nickel and 

 tungsten alloys, 462. 



Sky, blue color of, Crova, 491. 



Spectro-photometric comparison of light, 

 Nichols and Franklin, 100. 



Spectrum, aurora, wave-lengih of prin- 

 cipal line in, Huggins, 75; carbon, 

 Kajser and Runge, 411; of gases at 

 low temperatures, Koch, 491 ; of 

 great nebula in Orion, researches on, 

 Huggins, 170; of hydrogen, Thomas 

 and Trepied, 491 ; of rare earths, 

 Crookes, 486. 



solar, photography of invisible por- 

 tions of, Zenger, 411. 



Stars, fixed, parallaxes of, 329. 



Steam engine, output as a function of 

 speed and pressure, Nipher, 281. 



Stenzel, G, genus Tubicaulis of Cotta, 

 164. 



Sun light compared with electric arc, 

 Langley, 438. 



period of rotation of, Crew, 204. 



Telephonic vibrations, Frolich, 76. 



Tillman, S. E., Elementary Lessons in 

 Heat, 492. 



Trowbridge, J., physical notices, 75. 

 161, 246, U0, 491; radiant and elec- 

 trical energy. 217 ; magnetism of 

 nickel and tungsten alloys, 462. 



Tschirch, A.. Angewandte Pflanzenanat- 

 omie, 254. 



Tuckerman, F., gustatory organs of 



Lepus Americanus, 27 7. 

 Tyrrell, J. B., map of Duck and Riding 



Mountains, Manitoba, 78. 



Vibrations, telephonic, Frohlich, 76. 

 Volcano — 



Eruption of Baldai-san, July 15, 1888, 



Kikuchi, 247. 

 Volcanoes of western isles of Scot- 

 land, Judd, 163. 



w 



Walcott, C. D., Olenellus fauna of N. A. 

 and Europe, 29. 



Wallace, A. R., Darwinism, 170. 



Ward, L. F., geological notice, 414, 493. 



Watt's Dictionary of Chemistry, 409. 



"Waves, electrical, in conductors, Hertz, 

 246. 



Wheeler, H. A., plattnerite from Idaho, 

 79. 



White, C. A., Lower Cretaceous of the 

 Southwest, 440. 



Whiteaves, J. F., Fishes of Canada De- 

 vonian, Pt. II, 249. 



Contributions to Canadian Palaeon- 

 tology, 493. 



Wilkes, G., B. A. unit of resistance, 

 230. 



Williams. G. H., hemihedrism in the 

 monoclinic system, 115. 



Willson, R. W., measurement of inter- 

 nal resistance of batteries, 465. 



Winds, Treatise on, Ferrel, 420. 



Winnipeg Lake, ancient beaches of, 78. 



Woodward, R. S., mathematical theories 

 of the earth, 337. 



"Wright, G. F., Ice Age of N. A.,- 41 2. 



Yeates, W. S., pseudomorphs of native 

 copper after azurite, New Mexico, 

 405. 



Yokoyama, M., Jurassic Plants from 

 Japan, 414. 



z 



Zoology — 



Gastropoda and Scaphopoda of the 

 "Blake," Dall, 254. 



Lepus Americanus, gustatory organs 

 of, Tuckerman, 277. 



Mollusks from dredgings of the 

 ; ' Blake," Dall. 254. 



Pelecypods, hiuge of, and its devel- 

 opment, Dall, 445. 



Sponges, Monograph of Homey, Len- 

 denfield, 417. 



See further under Geology. 



