412 



INDEX. 



Chloroform, action of, 196 



Clironoscope, the, 92 



Climate, changes of induced by 



changes in the earth's axis, 256 



Clock, astronomical, Bond's im- 

 proved, 390 

 " ornithological, 323 

 Cloud mirror, the, 131 

 Coal, contributions to our knowl- 

 edge of, 290 

 " tar, color products of, 203 

 Coast of the United States, subsi- 

 dence of, 306 

 Cod, curious facts in relation to, 328 

 Cohesion figures of liquids, 166 

 Colloids and crystalloids, 200 

 Color and distance, relations be- 

 tween, 12? 

 " products of coal tar, 203 

 Colors of gems, 214 

 Colors, three primary, 132 

 Combustion in rarified air, 161 

 Comet, great, of 1861, 378 

 " " *' polarization of 



the light of, 380 



Comets, recent researches on, 388 



Comets' tails, 379 



Conglomerates, curious metamor- 



pliism of, 276 



Correspondence, secret, machine for 



carrying on, 65 



Cotton, perennial, 316 



Cryptography, machine for, 65 



Deer, shedding of the antlers of, 331 

 Denmark, antiquities of, 301 



Devonian rocks, recent investiga- 

 tions concerning, 254 

 Dialysis, 202 

 Diamond, cleavage of, 303 

 Diamonds, artificial, 181 

 Diluvian epoch, relation of to the 



present, 293 



Disease, ultimate causes of, 361 



Disinfectant, improved, 210 



Disinfection of mouldy casks, 208 



Disinfectants, manufacture of in 



England, 246 



Dispatch, pneumatic, 55 



Distance and color, relations be- 

 tween, 127 

 Doremus' compressed gunpowder, 97 

 Drift agency, curious illustration of, 290 

 Dye, new Canadian, 313 



Earth, cooling of, 266 



" elevations and depressions of 



in North America, 306 



heat of, reflections on the in- 

 fluence of, 265 

 " rigidity of, 307 

 " ring of asteroids encircling-, 372 

 " speculations on a change of 



axis, 256 



" varying direction of axis, 258 

 Earth's crust, divisions of, 307 



" temperature of, 268 



Earthquakes for 1801, 305 



Eclipse, solar, of I860, 384 



Egyptian tomb, opening of, 396 



Electric current, new kind of, 106 



light applied to surgery, 107 

 " " influence of , on vegeta- 



tion, 106 



c< 



a 



" 



Electric light, Way's, singular prop- 

 erties of, 113 

 spark, duration of, 108 

 " of induction, force of, 109 

 Electrical memoranda, 107 

 phenomena, 108, 111 

 " familiar, ex- 

 planation 

 of, 103 



Electricity, a new application of, 119 

 " applied to the explosion 



of gunpowder, 114 



atmospheric, 99 



" generated by evapora- 



tion, 103 



origin of, 109 



use of, in refining iron 



and steel, 105 



Electro-chemical coloration, 112 



Electrometer, new, 108 



Electro-motive machines, 109 



Elements, melting point of, 174 



Elephant, new discoveries in rela- 

 tion to, 271 

 Emmons, Dr., geological views of, 278 

 Engraving, new system of, 49 

 Equinoxes, precession, explanation 



of, 258 



Ericsson's iron-clad battery, 73 



Errata, 170 



Escapement, Bond's isodynamic, 390 

 Etching, process of, 46 



Etruscans, opening of a tomb of the 



ancient, 402 



Euphrates, recent change in the 



course of, 396 



Europe, fishes of, 327 



Evaporation, electricity generated 



by, 103 



Exhibition, great international for 



1862, 19 



Explosive force, curious example of, 180 

 Eye-shade, new, 129 



Falls of Zambesi, Africa, 308 



Fermentation, interesting researches 



on, 237 



Ferments, new theory of, 367 



Figures caused by lightning, 104 



Filtration and filtration media, 57 



Fishes of North America and Eu- 

 rope, 329 

 Flowers, preservation of, 315 

 white, none in nature, 316 

 Foods, influence of various, 220 

 Forces, attractive and repulsive in 



the universe, 99 



France, legislation about birds in, 320 

 Fruit printing, 314 



Galley, Roman, reconstruction of, 21 

 Galvanic polarization of metal plates, 111 

 Gas, improvements in the manufac- 

 ture of, 67 

 " increasing illuminating power 



of, 213 



Gases, conduction of heat by, 159 



different, effects of, on plants, 314 



" effects of great pressure on, 181 



Gas-lights, smoke from, 66 



Gems, artificial, 181 



" colors of, 204 



Generation, spontaneous, researches 



on, 365 



