ELEC-ESPY 



GENERAL INDEX 



Electricity (continued). 



— experiments on, 4, 208. 



— from steam, i, 320; 2, 3. 



— transmission of energy by, 38, 



49- 

 Electro- analysis, use of the rotating 

 anode and mercury cathode in, 



44. 137- 

 Electro-dynamic induction, i, 54. 



315- 



Electrolysis, new results in, 46, 341. 



Electrolytic estimation of cadmium, 

 18, 46. 



Electromotive force, measurement of, 

 20, 649. 



Electrons, dynamical effects of ag- 

 gregates of, 50, 347- 



— positive and negative, 45, 103. 

 Elevations, causes of regional, 12, 



70. 



— list of, in Indiana County, Pa., 



17, 145 



Elliptic interference with reflecting 

 grating, 50, 125. 



Emerson, Gouvernenr, causes opera- 

 tive in changing the proportions of 

 the sexes, 5, 20. 



■ ettects of hot weather upon 



infants, 4, 213. 



electricity from steam, 2, 3. 



excessive mortality of male 



children, 4, 212. 



— imphee, or African sugar-cane, 9, 

 141. 



importance of phosphoric acid 



in agriculture, 8, 378. 



light produced by the diamond 



by friction, 7, 175. 



lunar influence on wet and dry 



\veather, 12, 17. 



obituary notice of, 29, 60. 



-part taken Ijy the American 



Philosophical Society in establish- 

 ing stations for meteorological ob- 

 servations, II, 516. 



sorghum culture, 9, 116. 



Emerson, Ralph Waldo, obituary 

 notice of, 20, 498. 



Emmett, W. L. R., Curtis steam tur- 

 bine, 42, 68. 



Emmons, S. F., geology of Mont- 

 gomery Co., Md., 5, 85. 



Emys, taxonomy of the genus, 30, 

 40, 245 



Encke's comet, 2, 186. 



Energies, luminous and cosmical, re- 

 lation of chemical affinity to, 19, 

 21. 



Energy as a factor in organic evolu- 

 tion, 31, 192. 



— ■ transmission of, by electricity, 

 38, 49- 



English Channel, railway under, 



17. M- 



— history, observations on Gildas and 

 the uncertainties of early, 25, 



13-'. 



— orthography and pronunciation, 

 8, 285, 9, 239. 



Ennis, Jacob, on the Nebular Hy- 

 pothesis, 9, 441 ; 10, 150. 



Eocene carnivorous animals, 20, 226. 



— • gigantic mammals of the Amer- 

 ican, 13, 255. 



Equations, algebraic, solution of, in 

 infinite series, 47, in. 



— linear differential, on the solution 

 of. 50, 274. 



— new application of JNIacLaurin's 

 Series in the solution of, 42, 85. 



— ■ reversion of series and its applica- 

 tion to the solution of numerical 

 21, 91. 



Equivalents, comparison of mechan- 

 ical. II, 313- 



Erman's orbits of the periodical 

 meteors, 2, 21. 



Ertel meridian circle, 4, 113. 



Espy, James P., law of cooling at- 

 mospheric air. 3, 155. 



— — ■ nepheloscope, 2, 128. 

 Espy's theory, 2, 147. 



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