416 



ANNUAL OF SCIENTIFIC DISCOVERY. 



Brake, improved, 18 



BRAMBLE, W. W., 47 



Brass, malleable, 99 



Breed of rabbits, new, 346 



BREITHAUPT, M., 179 



BREGUET, M., 19 



BREWSTER, SIR DAVID, 135, 136, 145 



Bridge, Britannia tubular, 1 



Remington's, 



" suspension, at Nashville, 4 



Brightness of Pollux, 377 



" n Argus, 377 



Bromine in coal, 181 



BRONGNIART, M., 318 



Bronzing plaster casts, 74 



BKOOKE, MR., 144 



BROOMAN, R. A., 45 



BROWN, A. H., 60 



" A. L., 47 



" CAPT. C. F., 49 



" HENRY, 211 



" P. A., 356 



BROWN-SEQUARD, M., 359 



BRUNEL, MR., 20 



BUCKNALL, F. A., 61 



BUDD, PALMER, 87 



Building materials, value of sandstones 



as, 237 



" for the Exhibition of 1851, 102 

 BUNCE, J. B., 305 



BURNETT, DR., 324, 326, 340, 343 



Burning fluid, lamps for, 53 



of cane-brakes, whirlwinds pro- 

 duced by, 163 

 Bursting of water-pipes, apparatus for 



preventing, 59 



BUSSY, M.," 181 



Butter, machine for preparing and pre- 

 serving, 47 

 Cail-cedra, substitute for quinine, 219 

 CAILLAT, M., 326 

 California, absence of the coal forma- 

 tion in, 306 

 crystallized gold from, 296 

 gold mining, 295 

 " regions, geology of, 293 

 pearl fisheries, 331 

 platinum in, 298 

 soap- plant, 323 

 Canals, propellers for, 14 

 Candle-making apparatus, 47 

 Cane-brakes, whirlwinds produced by 



the burning of, 163 



Carbon from gas-retorts for batteries, 111 

 Carbonic acid in the air, 234 



Carboniferous rocks of Pennsylvania, 



footprints in, 314 



CARDAN, M., 63 



Carriage-tops, improvement in raising 



and lowering, 

 " wheels, noiseless, 

 Case, Daguerreotype, 75 



Casks, iron, manufacture of, 39 



Caspian and Black Seas, relative level 



of, 254 



Castings, metal, cleansing, 

 Cast-iron, coating for, 97 



" sleepers for railways, 27 



Casts, plaster, bronzing, 74 



Cause of fermentation, 197 



1C 



It 



1C 



1C 



cc 

 fl 



Cause of the aurora borealis, 114 



" of the jet from the blow-holes of 



whales, 337 



" of the potato-disease, 326 



Causes and prevention of mildew in pa- 

 per and parchment, 230 

 CAVENTOU, M. 220 

 Cement, transparent, 74 

 Central America, coal in, 283 

 topography of, 282 

 " " volcanic phenomena 



of, 230 



Centrifugal pump, 63 



Cerium, oxide of, in New Jersey, 298 



CHAMBERS, E. 18 



ROBERT, 251 



Change in the proper motion of Vir- 



ginis, 374 



" of level in Abyssinia, 252 



" in North America dur- 

 ing the drift period, 252 

 " in Scandinavia, 251 



" " in the sea- coast of the 



United States, 251 



Changes of integuments in animals, 348 

 Charcoal, animal, influence of, in re- 

 moving the active princi- 

 ples of plants from their 

 solutions, 196 



peat, power of, to remove 



coloring matters, 206 



Charleston, artesian well at, 271 



Charts, current, 162 



CHATIN, M., 180 



Chemical constituents of iron, 179 



CHEVANDIER, M., 233 



Children, temperature of, 

 Chinese botanical medicine, 327 



Chlorite in quartz, 302 



Chloroform as a disinfectant, 217 



" purification and properties 



of, 215 



test for the presence of, in 



the human body, 216 



Cholera in animals, 348 



CHRISTISON, DR., 320 



Chromatic stereoscope, 145 



Chromium, artificial crystals of sesqui- 



oxide of, 179 



CLARK, E. AND L., 2 



CLAUSSEN, M., 76 



Cleansing metal castings, 98 



CLEMENS, S. A., 34 



Cleveland, earthquake at, 278 



Climates, warm, cooling rooms in, 58 



Clio, the planet, 364 



Clouds, light of, 140 



Coal, anthracite, ashes of, 305 



locomotive for, 16 



" formation, absence of, in Califor- 

 nia and Oregon, 306 

 " formation, occurrence of palms 



in, 315 



" gas, purification of, 85 



in San Salvador, 283 



" iodine and bromine in, 181 



" mines, hydraulic pressure in, 31 



" structure of, 306 



" and wood, comparative values of, 



for locomotives, 17 



