I 1ST D E X 



PAGE 



Acetic acid in vinegar, 252 



Acid, carbazotic, production of, 223 



' tartaric, artificial production 

 of, 241 



Acoustics, experiments in, 184 



Africa, explorations in, 17 



' northern races of, 390 



Affinity, influence of pressure on, 199 

 Agricultural chemistry, 259 



Air, organic matter in, 239 



Air-pump, new form of, 180 



Alcohol, deodorizatioii of, 232 



Aluminum, bronze of, 80 



Alloys, composition of, 170 



America, North, geology of the mid- 

 dle pahcozoic region of, 312 

 Ammonia, new source of, 233 

 Animal life, lowest tvpe of, 4U3 

 Animals, inferior, effects of lead on, L58 

 " spontaneous generation of, 391 

 Antimony, alloys of, 215 

 Apple oil, 215 

 Arable laud in the U. S., map of, 3'37 



" substances extracted 

 from by water, 260 



Armstrong s cannon, 74 



Arsenic, Marsh's test for, 277 



" presence of in plants, 266 



Art, Avorks of iu geological forma- 

 tions, 314 

 Atmosphere, dust of the, 267 

 height of, 182 

 remarkable luminous- 

 ness of, . 153 

 Atmospheric refraction, 155 

 Aurora, Aug. 28th, 1859, 414 



' mode of estimating the height 

 of, 125 



Auk, "great," extinction of, 

 Australia, fossils of, 18 



gold deposits of, 323 



Axle-boxes for locomotives, 41 



Axles, railroad car, and the forces 

 they resist, 38 



BACHELDER'S coal-oil lamp, 68 



Balloon voyage, remarkable, 191 



Balloons applied to war purposes, 168 

 Banana essence, 273 



BARCLAY'S galvanic battery, 

 Barometer, new form of, 1^2 



Barytes, sulphate, use of in painting, 254 

 Battery, galvanic, Avery's im- 

 proved, 136 

 Battery, galvanic, Barclay's im- 

 proved, 135 

 Bayonets, Denuet's improvements 

 in, 77 



3G* 



PAGE 



Bells, silver in, bl 



Bird-tracks in the Connecticut Val- 

 ley Sandstones, 341 

 BISHOP'S boom-derrick, 26 

 Bituminous schists, origin of, 321 

 BLAKE, W. P., 323, 324 

 Blanc Mt., experiments on the sum- 

 mit of, 184 

 Blood, new fact concerning, 381 

 " stains and cry. tals, 3S3 

 " cells of the "spleen, changes 

 in, 



Bodies, simple, nature of, 196 



Boilers, steam, try-cock for, 45 



Boiler plate joints, 43 



Bone, production of, 3S1 



Bottles, anti-poisoning, Iu2 



Brass, improved composition for, 213 

 " new process for bronzing, 82 



Brake, Lough ridge's patent, 43 



Bridge, Victoria, at Montreal, 32 



Bronze of allumiuum, 80 



Calcium, preparation of, 206 



Calico-printing, engraving rollers 



for, ' 111 



Camera, Woodward's solar, 157 



Candle-works, Price's patent, 106 



Cannon. Armstrong's rifled, 74 



" French's, " 75 



James's, " 72 



rifled projectiles for, 192 



Car wheel and axle, Gardiner's 



compound, 40 



Carbazotic acid, production of, 

 Caves, ossiferous, of Sicily, 346 



Cavern, ossiferous. at Torquay, Eng., 348 

 Cell development, 380 



Cells, vegetable, composition of, 241 



Cellulose and liguiue, distinction be- 

 tween, 244 

 Cellulose, dissolved by ammouiacal 



copper. 



Chalcedony, landscape in, 156 



Chemical manufactories, influence 



of on health, 65 



Chemistry, its application to agri- 

 culture, 259 

 " new system of notation 



in, ' 15 



" unitary notation in, 198 



Chimneys, construction of, 47 



i Chlorine, supposed compound na- 

 ture of, 202 

 Chloroform, psychological knowl- 

 edge gained through, 380 

 Cigars, Beauche's machine for mak- 

 ing, 109 



u 



U 



