15] 



VOLUMES XXI-XXX. 



511 



Electrical Works Noticed — . 

 Magneto- and Dynamo-Electric Ma- 

 chines, Krohn, Biggs, ix, 336. 

 Magneto-elektrischen und dynamo- 

 elektrischen Maschinen, etc.. Glas- 

 er-BeCew, v, 151. 

 Mathematical Theory of Electricity 

 and Magnetism, Watson & Burbury. 

 xxx, 241. 

 Measurements in Electricity and Mag- 

 netism, Gray, vii, 481. 

 Physical Treatise on Electricity and 



Magnetism, Gordon, i, 140. 

 Treatise on Electricity and Magnetism, 

 Mascart and Joubert, vi, 148. 

 Electricians, conference of, vii, 1 59 ; viii, 



386. 

 Electricity and light, iv. 145. 

 applications of, iv, 310. 

 as the equivalence of a chemical 

 process, iv, 286. 



atmospheric, vii, 144; viii, 70. 

 B. A. unit, Fletcher, xxx, 22. 

 conduction of. in rarefied air, ix, 

 335. 



conservation of, ii, 74, 148. 

 due to evaporation, vi, 145. 

 earth currents, vii, 237 ; viii, 71. 

 Hall's phenomenon, vi, 477 ; vii, 

 486; ix, 117. 

 heat and, ix, 60. 

 inertia of, hi, 240. 

 influence of surrounding gas on pro- 

 duction, by induction-machines, vii. 

 316. 



International Exposition of, i, 164. 

 storage of. ii, 75 ; iii, 414, 415 ; vi, 

 319. 



Thomson effect, Trowbridge and Pen- 

 rose, iv, 379. 



"transfer resistance" in voltaic cells, 

 xxx, 238. 



transmission of power by, ii, 397 ; 

 v, 469. 

 Electrification by evaporation, Freeman, 



iii, 428. 

 Electrodes, disintegration of, iii, 240. 



metallic in hydrogen, i, 323. 

 Electro-dynamic balance, ii, 398. 

 Electrolysis, quantitative determination 



of metals by, ix, 164. 

 Electrolytes, dielectric polarization in, 



iii, 321. 

 Electro-magnetism, theory of, iii, 240. 

 Electrometer, new capillary, vi, 477. 

 Electrometric measurements, viii, 390. 

 Electromotive force, v, 76. 



of a Daniell cell, Carhart, viii, 374. 

 Elements, specific heat of, ix, 331. 

 Elephant pipes in the Museum at Daven- 

 port, Iowa, ix, 411. 



Elevations, supposed, of New England 

 Coast, i, 77. 



Elkin, W. L., Heliometer determinations 

 of Stellar Parallax, viii, 404. 



Elliott, H. W., Seal-islands of Alaska, 

 iii, 334. 



Elliott, J. B., age of the southern Ap- 

 palachians, v, 282. 



Ellis, G. E. R., Introduction to Practical 

 Organic Analysis, xxx, 168. 



Ellis, W., magnetic declination and sun 

 spots, i, 238. 



Elwes, J. L., Monograph of the Genus 

 Lilium, noticed, v, 82. 



Emerson, B. K, dyke of Elasolite-syen- 

 ite in New Jersey, iii, 302. 



diabase intersecting zinc ore, iii, 

 376. 



the Deerfield dyke and its minerals, 

 iv, 195, 270, 349. 



Emerton, J. R., the cobwebs of Uloborus, 

 v, 203. 

 New England Therididse, iv, 477. 



Emmons, S. P., Geology and Mining In- 

 dustry of Leadville, iii, 496 ; iv, 64. 

 Precious Metal Deposits, xxx, 487. 



Engelmann, G., female flowers of Coni- 

 fers, iii, 418 ; iv, 233. 



Isoetes in North America, iv, 72. 



Engineering, materials of, Thurston, viii. 

 405. 



Engineers. Report of Chief of, i. 84. 



England, geological map of, v, 310. 



Engler, A., Entwickelungsgeschichte der 

 Pflanzenwelt, iv, 72; v, 394. 

 Botanische Jahrbucher, iii, 71. 



Enmengem, E. Y., Researches on the 

 Structure of Diatoniaceas, vii, 416. 



Entomological Bulletin, ii, 415. 

 Reports, v, 240; vii, 417. 



Ernst, A., earthquake at Caraccas, vi. 

 79. 



Ethane, illuminating power of, xxx, 156. 



Etheridge, R., Presidential Addresses, ii. 

 410 ; iv, 230. 



Ether, motion of, Michelson, ii, 120. 

 nature of, Bunt, iii, 123. 



Ether, slow combustion of, vi. 67. 



Ethers, indices of refraction, Long, i, 279. 

 silicic, of the phenols, vi, 241. 



Ethnology, Report of Bureau of, ix, 81. 



Ethyl carbamate, new reaction of, vii. 

 483. 



peroxide, v. 147. 



Europe, red diluvium of, i. 155. 



Evaporation and molecular weight, vii. 

 233. 



Ewing, A. L., chemical erosion of lime- 

 stone, ix, 29. 



Explosives, modern, high. Eissler. viii. 

 310. 



