INDEX. 



637 



Elliott, Messrs., 162. 



Sir Walter, clxviii. 

 Elliott's report on light-nouses, 468. 

 Elliptic integrals, 1. 



reduction of, 2. ^ 



Ellis, Mr. Robert, clxvi., 204. 

 Ellzey, Prof. M. C., 435. 

 Embalming, new mode of, 310. 

 Embankments, thrust of, 495. 

 Embryo, sex in, 35S. 

 Emertou, Mr. J. H., clxxxix. 

 Emmons, Mr., c, cii. 

 Emsmann, Dr., 157. 

 Encke's comet, xxviii., 45. 

 Eudlich, Dr. F. M., 263, 269, 573. 

 Energy, dissipation of, 122. 

 Engel, Mr., xci. 

 Eugelhardt, Mr. C, clx. 

 Engine, new carbonic, 474. 

 Engineering, ccxlii. 



and mechanics, 459. 

 England, a buried forest in, 372. 



ancient wells near Ashill, 330. 

 largest pike ever taken in, 346. 

 monster cannon in, 4S6. 

 English fishes, increase of, in Tasmania, 



419. 

 Engraving on copper, new, 514. 

 on slate, 514. 



on wood, French method of, 

 514. 

 Entomological publications, cxcviii. 

 Environment, clxxii. 

 Eocene age, lake deposits of, 246. 

 Eosin, a new dye-stuff, cclxxxviii., 220. 

 Eotherium segyptiacum, a new fossil Sire- 



niau, 337. v 

 Eotvos, Baron, 131. 

 Eozoon, its organic character, 309. 

 Epsilon Indi. xxx. 

 Epstein and Mtiller, xciv. 

 Equations, numerical, 6. 

 Erismann, Mr., 321. 

 Esson, Mr., 211. 

 Eta corona?, xxxi. 

 Etching iron, 4S2. 



to discover the character of iron 

 and steel, 463. 

 Ether, density of the luminiferous, 6. 

 Ethnology, cli. 



of extant races, clxiv. 

 Ettingshausen, Mr., 361. 

 Eucalyptus globulus, ccli. 

 Eumfeus atala, cxcvii. 

 Europe, clvi., clxvi. 



mean height of, above the sea, 251. 

 European rivers, decrease of water in, 255. 

 Euverte, Mr., cclxiii. 

 Evans, Mr., 331. 

 Evaporation and condensation, 126. 



from hard and broken soils, 



63. 

 from the human skin, 321. 

 in steam-boilers, 497. 

 of metals by electricity, 12S. 

 Everett, Prof., S3. 

 Evolution of the hog, 334. 

 Exhibition, International, at Philadelphia, 

 cclix, 

 of 1S76, Belgian, 583. 

 Exuer, Mr., xlviii., 154. 

 Prof. W. F., 467. 

 Experiments on the velocity of light, 147, 

 149. 



Experiments with fertilizers, 39S. 



with young Maine salmon, 

 41S. 

 Explorations under Dr. Hayden, 263. 



under Lieutenant George M. 



Wheeler, 293. 

 under Major J. W. Powell, 

 286. 

 Explosive agents, 470. 

 Exports and imports, ccxxxvii. 



F. 



Fahrenheit, Mr., 115. 



Faidherbe, General, clx., 332. 



Failure in introducing salmon and trout, 



439. 

 Faivre, Mr., cxcii. 

 Faraday, Prof., 475. 



Fallow, Dr. William G., cxxv., 363, 393. 

 Faroe Islands, cod on, 347. 

 Farquharson, Prof. R. J., clii. 

 Fauna of the Caspian, 351. 



of the Mammoth Cave, 313. 

 Fautrat & Sartiaux, Messrs., xlii. 

 Faye, Mr., 22. 

 Faye's theory, 24. 

 Feathers, dyeing green, 525. 

 Febrifuge, gronndwort as, 560. 

 Feddersen & Dufour, Messrs., liii. 

 Feil, Mr., xlv. 



Feraud, Dr. Bereuger, clxvii. 

 Fergola, Mr., 31. 

 Ferns, fertilization of, 37S. 



in North America, 372. 

 Ferrel, Prof., xxxiii., xxxviii., xl., 73, 89, 



106, 113. 

 Fertilization of a fern, 378. 

 Fertilizers, analyses of, 382, 3S4. 

 effect of, ccxxii. 

 inspection of, 381. 

 Fibres for paper, microscopic study of, 



541. 

 Fifield,Mr.,410. 

 Figure of the earth, 67. 

 Figures made by lightning, 117. 

 Films, reflection of thin, 191. 

 Filtration of tin, 206. 

 Findlay, A. G.,592. 



Fire, carbonic acid for extinguishing, 498. 

 Firket,Mr.,367. 

 Fish, anguilliform, 345. 

 at great depths. 425. 

 attracted by light, 42S. 

 Commission of Virginia, 435. 

 Commissioner of Canada, Report of, 

 405. 

 of New York, Sev- 

 enth Annual Re- 

 port of, 437. 

 consumption of Washington in 1874, 



415 ; in 1875, 436. 

 danger of eating, 567. 

 hybrid, 418. 

 Fish-bait, electrical, 434. 

 -culture, ccxxvii. 



in China, 427. 

 -guano, polar, 384. 

 -product, new, 435. 

 -sausage, 435. 



-way at Columbia dam, 409. 

 Fisher, Rev. O., xxxiii. 

 Fisheries and pisciculture, ccxxiv, 405. 



and seal-hunting in the North, 

 413. 



