GENERAL INDEX. 



407 



Daguerreotypes, -without mercury. 162 

 DANA, DR. S. L., 214 



DARLING, MR., 60 



DAWES, KEV. W. R., 142 



Decolorizing property of charcoal 



and other bodies, 236 



Deinerara. gold in, 303 



Density, mean, of the earth, 183 



Deodorizing properties of coffee, 236 

 DESOR. M., 269 



Devonian formation, remains of rep- 

 tiles in, 310 

 " " fossil ova of Ba- 



trachiaus in, 312 



Dew, Melloni on, 175 



Diagonals of lattice beams, strain on, 61 

 Diamond, cutting, 295 



Koh-i-noor, 294 



observations on, 292 



Ditching n achine, 92 



Dolls, museum of, 109 



Dove's theory of lustre, 149 



DRAPER, DR., 194 



Dress, harmony of color in, 151 



Drift of the Northern and Western 



States, 269 



Drilling machines, new, 70, 71 



Earth, mean density of. 183 



" new, 290 



" visible rotation of, 185 



Earth's axis, stability of, 277 



rotation, effect on locomo- 

 tion, 184 

 Earthquakes in 1852, 285 

 Egyptian Chemistry, early, 190 

 Eggs, preservation of, 109 

 EHKENBURG, PROF., 329 

 Electricity, animal, 118 

 killing whales by, 116 

 and magnetism, heating 



effects of, 118 



Electro-chemical researches on the 

 properties of elec- 

 trified bodies, 197 

 properties of hy- 

 drogen, 199 

 " magnetic motive power. 118 

 " physiological researches on 



induced contraction, 356 



Electrical properties of flame, 117 



EMORY. MA,IOR ; 383 



Engines, Ericsson's Caloric, 44 



England, immense manufacturing 



establishments in, 111 



Engraved Photographs. 

 Engraving from Daguerreotypes, 163 

 Erie, Lake, south shore, fauna and 



flora of 373 



ERICSSON, CAPT., 44 



Eruption, A r olcanic, at the Sandwich 



Islands, 288 



of Mt. Etna, 287 



Ether, peculiar property of, 260 



Eye, art of seeing the interior of, 149 



Eye-piece, new, for observing the 



sun, 142 



FAIRBAIRN, MR., 51, 65 



EARADAY, PROF.', 120, 132 



Fat, preparation of, for caudles, 216 



35* 



FEHLING,PROF., 223 



Fire arms, improvements in, 66 



Fish, artificial production of, 344 



Flax Cotton, 



Flame, electrical properties of, 117 



Flora and fauna of the South shore 



of Lake Erie, 373 

 " " of the tertiary for- 



mation, 313 



Fluids, motion of in a closed gal- 

 vanic circuit, 125 

 Fluor spar locality, 297 

 Force, magnetic, physical lines of, 132 

 Foot-prints in the Potsdam sand- 

 stone of Canada, 304 

 FORBES, PROF. EDWARD, 332 

 Fossils, Arctic, 308 

 Fossil remains of the Mastodon, 310 

 FOUCAULT, M., 185 

 Fruit, artificial extract of, 222 

 " drops, acidulated, 228 

 " preservation of, 108 

 Fusel oil, poisonous effects of, 228 

 Future of Geology, 263 

 GALE, DR. L. D., 284 

 (jialvanic circuit, motion of fluids in, 125 

 battery, new, 115 

 Gas, evolution* of in the Wallsend 



collieries, 280 



" improvements in the manufac- 

 ture of. 217 

 " improvements in purifying, 112 

 " meter, protector, 102 

 Gaudin on engraving from Daguer- 

 reotypes, 163 

 Gear, new compact, 72 

 Genesee tligh Bridge, 39 

 Geology, future of, 263 

 and palaeontology of a part 

 of the Rocky Mountain 

 region, 281 

 Geological discoveries in Africa, 272 

 " hypotheses, products of 

 smelting furnaces,proofs 

 of, 208 

 periods, causes of change 



of climate in, 265 



Geographical distribution of marine 



life, 340 



Germany, comparison of the climate 



of with that of IS'ew England, 377 

 GIBUS, DR. W., 213 



Girders, maleable iron, form of, 61 



GLADSTONE, MR., 61, 319 



Glass, composition for silvering, 234 

 11 crystallization of, 211) 



" decomposed, found at Nine- 

 veh, 171 

 " photographs on, 159 

 " ornamental window sashes of, 112 

 Globe, crystalline form of, 276 

 Glue, liquid, 221 

 Gold, and its relation to silver. 304 

 and its production, 301 

 ' consumption of, 303 

 " in Africa, 303 

 " in Australia, 302 

 " in Austria, 303 

 " in Demerara, ?U3 



