17] 



VOLUMES XXI-XXX. 



453 



Electrometer, gold leaf, effect oi 



temperature, Bottomley, 25, 347. 



Electrometers, quadrant, Schuize, 



25. 45 i- 



Electron Theory, Fournier d'All:)e, 



23, M5- 

 Electrons, Lodge, 23, 462; Abra- 

 ham and Longevin, 21, 466. 



— constitution of, Kaufmann, 21, 

 398. 



— emission from metallic oxides, 

 Jentzsch, 26, 512. 



— initial velocities of, Hull, 28, 



— moving, Hupka, 29, 189. 



— negative kinetic energy of, 

 Richardson, 26, 512. 



— positive, in the sodium atom. 

 Wood, 25, 258. 



Electro-Physiology, Bose, 25, 525. 



Elektrotechnik, Heinke, 28, 79. 



Elements, Rarer, Browning, 27, 

 262. 



Elephant, evolution. Lull, 25, 169. 



Elkin, W. L., parallax investiga- 

 tion of 162 stars, 22, 471. 



Engineers Manual, Ferris, 28, 566. 



Enzyme action, Bayliss, 27, 100. 



Equations, Differential, Campbell, 



23, 159- 



Erblichkeitslehre, Elemente der 

 exakten, Johannsen, 28, 85. 



Erosion as time-measure, Lev- 

 erett, 27, 349. 



Eruptions, submarine, near Pan- 

 telleria, Washington, 27, 131. 



Erythrea, East Africa, petrog- 

 raphy, Manasse, 29, 87. 



Esperanto, Griffin, 23, 471. 



Ethnology, Bureau of American, 

 publications, 21, 260; 24, 89, 91; 



26, 591; 28, 87. 

 Euler, Works of, 28, 88. 

 Evans, N. N., gedrite, 25, 509. 

 Eve, A. S., radium in minerals, 



22, 4; relative activity of radium 

 and thorium, 22, 477. 

 Evolution, Essays on, Poulton, 27, 



193- 



— and Animal Life, Jordan and 

 Kellogg, 24, 449. 



— of the elephant, Lull, 25, 169; 

 of the horse. Lull, 23, 161. 



— of Forces, Le Bon, 26, 579. 



— of Mammals, Hubrecht, 29, 

 271; of mammalian teeth, Os- 

 born, 25, 264. 



— of Matter, etc., Duncan, 23, 471. 



— work on. Steinmann, 27, 341. 



Ew^ell, A. W., air conductivity in 

 intense electric fields, 22, 368; 

 Gibl)s' Theory of reflection of 

 light, 24, 412; Physical Measure- 

 ments, 27, 488; 30, 350; Physi- 

 cal Chemistry, 28, 555. 



Expansion coefificient, method of 

 determining, Williams, 28, 180. 



Extinction angles, measurement 

 of, Wright, 26, 349. 



Farlow, W. G., Bibliographical 

 Index of North American Fungi, 

 vol. i, pt. 1, 21, 87. 



Farr, H. V., determination of ar- 

 senic, 27, 316. 



Farrington, O. C, Shelburne and 

 South Bend meteorites, 22, 93; 

 analysis of iron shale from Can- 

 yon Diablo, 22, 303; times of 

 fall of meteorites, 29, 211; new 

 Pennsylvania meteorite, 29, 350. 



Fauna, see GEOLOGY, ZOOL- 

 OGY. 



Feldspars, determination, Wright, 

 21, 361; decomposition, 23, 231. 

 See MINERALS. 



Fenner, C. N., crystallization of a 

 basaltic magma, 29, 217. 



Fenton, H. J. H., Chemistry, 28, 

 554- 



Fernald, M. R., Gray's Botany, 

 26, 518. 



Fernphotographie, Elektrische, 

 Korn, 24, 82. 



Ferris, C. E., Manual for Engi- 

 neers, 28, 566. 



Ferry, E. S., Practical Physics, 

 25, 452; Dynamics, 30, 296. 



Field Columbian Museum publi- 

 cations, 21, 408; 22, 93; 24, 88; 

 25, 532; 27, 493. 



Filter tubes, Penfield and Brad- 

 _ley,_2i, 453. 



Filtering crucible, Gooch and 

 Beyer, 25, 249. 



Finland, igneous rocks of. Hack- 

 man, 21, 85. 



Fisher, O., changes of level in the 

 earth's crust, 21, 216. 



Fizeau on change of azimuth of 

 polarization, 24, 498. 



Flames, electrical conductivity, 

 Wilson and Gold, 21, 399. 



Fletcher, L., Study of Rocks, 27, 

 490. 



