15] 



VOLUMES I-X. 



493 



Electric waves, measured by radio- 

 micrometer, Pierce, 9, 252. 



new method for showing, Neug- 



schwender. 7, 312. 



— — reflection of, DeForest, 8, 58. 



— — refractive index and reflective 

 power of water and alcohol for, 

 Cole, 1, 318. 



rise of the coherer in measur- 

 ing, Behrendsen, 7, 158. 



velocity in air, Maclean, 8, 1. 



along wires, Sommerfield, 7, 



311 ; Coolidge, 7, 396. 



— wind, Arrhenius, 5, 148. 

 Electricity, atmospheric, variation 



of, Chauveau, 10, 161. 



— carried by the ions produced by 

 Bontgen rays, Thomson, 7, 158. 



— conduction through gases by 

 charged ions, Thomson, 7, 312. 



- — discharge through gases, 1, 140. 



— does a vacuum conduct ? J. Trow- 

 bridge, 3, 343. 



— Industrial, Graffigny- Elliot, 6, 

 200. 



— and Magnetism, Nipher, 6, 432 ; 

 Foster and Atkinson, 2, 83; Perkins, 

 3, 246 . Webster, 4, 72. 



— production by chemical means, 

 Andreas, 5, 146. 



— Supply of, from Central Stations, 

 Gay and Yeaman, 9, 221. 



— in Town and Country Houses, 

 Scrutton, 8, 88. 



Electrified body, discharge from, by 

 means of the Tesla spark, Smith, 2, 

 381. 



Electro-chemical equivalents of cop- 

 per and silver, Eichards, Collins, 

 and Heimrod, 9, 218. 



Electrochemistry, ionic reactions, 

 Kiister, 6, 93. 



Electrolysis of water, 3, 149. 



Electrolyte, theory of Hall effect in, 

 6, 504. 



Electrolytes, conductivity of, Eich- 

 ards and Ti'owbridge, 3, 391 ; sur- 

 face travel on, Fiske and Collins, 

 5, 59. 



Electrolytic decomposition of aque- 

 ous solutions, Nernst, 5, 66. 



— dissociation, Jones, 10, 76; Noyes 

 and Blan chard, 10, 460 ; and os- 

 motic pressure. Compton, 5, 65 ; 

 Traube, 5, 463. 



— interrupter, Swinton, 7, 395. 



— production of hypochlorites and 

 chlorates, Oettel, 3, 149 ; of iodo- 

 form, Foerster and Meves, 5, 466. 



— solution and deposition of carbon, 

 Coehn, 4, 389. 



Electro-magnetic theory of light, 



Barus, 5, 343. 

 Electromotive force, J. Trowbridge, 



5,57. 

 Electroscope, vacuum, Pflaum, 9, 



294. 

 Electrostatic and electromagnetic 



units, ratio of, Hurmuzesca, 1, 140. 

 Electrosynthesis, Mixter, 4, 51 ; 6, 



217. 

 Elkin, W. L., November meteors, 4, 



480. 

 Elliott, E. B., Algebra of Quantics, 



1, 328. 

 Ells, R. W., Grenville and Hastings 



series of Canadian Laurentian, 3, 



173. 

 Emerald Mines of Cleopatra, Mac- 



Alister, 10, 468. 

 Emerson, B. K., Mineral Lexicon of 



Franklin Co., etc., Mass., 2, 306; 



geology of old Hampshire Co. , Mass. , 



8, 393 ; Carboniferous bowlders of 



India, 10, 57; bivalve from Con- 

 necticut Trias, 10, 58. 

 Endothermic gases, experiments 



with, Mixter, 7, 323. 

 Energy of cathode' rays, Cady, 10, 1. 



— Doctrine of, 6, 503. 



— luminous and chemical, Berthelot, 

 7, 309. 



Entomology, Test-book of, Packard, 



6, 103. 

 Ether, electrical conductivity of, 



Trowbridge, 3, 387. 



— jelly theory, Barus, 6, 285. 



— movements, Mil, 8, 75. 



— properties of, Eowland, 8, 405. 



— relative motion of earth and, 

 Michelson, 3, 475. 



Ethnology, 16th Ann. Eeport of 

 American Bureau of, 4, 480. 



Europe, Eaces of, Eipley, 8, 474. 



European Fauna, Scharff, 8, 395. 



Evolution, organic, Fairhurst, 7, 80. 



Ewell, A. W., rotatory polarization 

 of light produced by torsion, 8, 89. 



Expansion, coefficients of, for plati- 

 num, porcelain, etc., Holborn and 

 Day, 19, 172. 



Fairbanks, C, iodometric estimation 

 of molybdic acid, 2, 156 ; phos- 

 phorus in iron, 2, 181. 



Fairbanks, H. W., contact meta- 

 morphism, 4, 36; tin deposits at 

 Temescal, So. California, 4, 39. 



Fairchild, H. L., glacial lakes in 

 Central New York, 7, 249. 



