340 



INDEX. 



Cipher, ingenious plan for a 97 



Cities, sewage of. 217 



Clay, plasticity and odor of 265 



Coal, line, compression of 98 



" production of in Pennsylvania 272 

 " gas, production of alcohol from 200 

 " measures, fossil laud animals 



of. 271 



" oils, legislation respecting 234 



" " new facts concerning 235 



" tar, colors from 35, 227 



Coca plant, stimulating effects of. . . .225 



Collodion, new application of 242 



Colors from coal tar 25, 35, 227 



Combustion, use of vapor of water 



in 236 



Comet, Eucke's, return of 313 



" of 1861 313 



Comets, new theory of 314 



' of 1862 311 



Consanguinity, effects of on off- 

 spring 300 



Continent, ancient N. American 273 



Cooking apparatus for troops 85 



Copper, native, immense mass of. . . .270 

 " present annual production 



of 270 



" texture of. 270 



" paint 209 



Cork-cutting machine 101 



Cotton machinery, perfection of 35 



" gin, improved sea-island 100 



" spinning, curiosities of. 35 



Courage of men of science 140 



Crystallization, new phenomena of. . 12S 



Dahlgren, on armor-plated vessels . . 55 



Death, relations to life in nature 246 



Deodorization of sewage 217 



Dew-bow on mud 15S 



Diseases, human and animal 299 



Divisibility of matter, curious illus- 

 tration of. 190, 191 



Doremue's compressed gunpowder. . 67 

 Drainage, influence of on public 



health 217 



Drop-counting apparatus 210 



Dyeing, action of mordants in 234 



Ear, hearing phenomena of 189 



Earth, contact with the comet of 



1861 303 



mean temperature of 333 



" seen from Venus 322 



Earth's atmosphere, extent of 132 



Earthquakes and magnetic perturba- 

 tions 121 



Electricity applied for the ignition 



of powder 82 



" for the refining of iron 



and steel 242 



Electrical phenomena, curious 117 



Electric currents, production of 



sound by 114 



light, improvements in 111 



" in lighthouses, Far- 

 aday's report on . . 108 



organ in fishes 115 



Enckc's comet 313 



Engines, marine 19 



" steam, Paine's superheated 



spray 42 



Engraving by electricity 88 



novelties of in the Great 



Exhibition 38 



Engravings, cleaning and preserva- 

 tion of 222 



new method of copying 181 



Ethereal medium in space 323 



Europe, antiquity of the stone, iron, 



and bronze ages of. 289 



" last ape of 272 



Exhibition, Great International for 



1862 17 



Explosions, causes, effects, and mili- 

 tary applications of. 86 



Explosive organic bodies 89 



" properties of various com- 

 pounds 89, 90 



Fairbairn, on the resistance of iron 



to projectiles 73 



Fermentation, curious observations 



on , 237 



Fire, protection of camp-huts from 86 



Fishes, electric organ in 115 



" fossil of North America 271 



Food preservative 208 



" unwholesome 209 



Force, nerve, velocity of 294 



" on the nature of. 103 



i organic, conservation of 188 



Forgery by photographic processes 183 



Fossil, curious feathered 274 



Fossils, comparison with living spe- 

 cies 246 



" interesting 271 



Freezing mixture, new 211 



Frost, effects of on iron 157 



Fuel, patent 33 



Furnaces, improved 30 



" Seaman's 302 



" Swedish 30 



Furniture, in the Exhibition of 1862. 39 



Gas, new inflammable 194 



Gems, artificial 202 



exhibit of in the 

 Great Exhibition 41 



" of the Exhibition of 1862 41 



Generation, spontaneous, new re- 

 searches on , 302 



Geology, new views in 244 



of the N. American lakes. .252 

 Geological phenomena, interesting 



illustration of 264 



" summary for 1862 269 



Glaciers, ancient, evidence of. 255 



" new observations on 258 



Glass, secrets in the manufacture of 209 



Glue, adhesive strength of 97 



Goitre, prevalence and cause of 300 



Gold deposits, American 272 



" discoveries, economic effects of 206 



" of Australia 272 



Granite, association of with tertiary 



strata 273 



" use of in jewelry 41 



Grass lands, manures for 215 



Great Eastern, repairing of. 94 



Gunpowder, burning in vacuo 157 



compressed 67 



explosive action of 91 



" new preparation of 92 



