382 



ANNUAL OF SCIENTIFIC DISCOVERY. 



Apparatus for feeding steam-boilers, 22 

 " to preserve the electric light 



constant, 105 



Ape, fossil, 284 



Apple of Sodom, 294 

 Application, ingenious, of electricity, 1-20 



Arabian cattle, 3-21 



Arc, voltaic, light of, 106 



Argentiferous galena, 263 



Arkansas, coal in, 271 



Arsenic in chalybeate springs, 200 



Art, ancient, rediscovered, 163 



Arteries, chloroform injected into, 331 



Artesian well, Charleston, 251 



Artificial formation of minerals, 212 



" mother-of-pearl, 154 

 Asia Minor, chrome and meerschaum of, 2(55 



" emery formation in, 2(55 



Asparagine, 213 



Association, American, 3(57 



British, 368 



Astronomy and botany, analogy in, 342 



Astronomical Journal, 345 

 Atmosphere, method of determining 



ozone in, 219 



moisture, ammonia, and 



organic matter of, 219 

 Atmospheric electricity, 349 

 Aurora Borealis and electricity, 119 

 Nov. 17, 1848, 347 

 Australia, interior of, 357 

 Axis, optic, of crystals, 131 

 Ayres, W. O., 309 

 Babinet, M., 159 

 Bache, Prof. A. D., 351 

 Bailey, Prof., 274 

 " M.J., 188 

 Baird, Prof, 276 

 Balfour, Prof., 238 

 Bank-note paper, improved, 64 

 Bar-iron, improvements in manufacturing, 86 

 Barometric variations in India, 348 

 Barrande. Prof., . 2->4 

 Bartle, Warren S., 22 

 Batteries, electric, 120 

 Battery, Leyden, new mode of discharg- 

 ing, 119 

 Beaches, fresh water on, 247 

 Beavers, lazy, 323 

 Beck, Prof. Lewis, 180 

 Becquerel, M. Etimond, l-2'.i 

 Belloe, M., 183 

 Benzole and its uses, 190 

 Bernard, M., 174, 175 

 Birds of New Zealand, fossil bones of, 278 

 Birt, W. R., 118 

 Biscuits, hot-air hexagonal, 6-2 

 Bismuth, crystalline, polarity of, 132 

 Bison, American, in France, 3-24 

 Bisulphite of lime in extracting sugar, ]f'8 

 Bites, poisonous, cauterizing of, 331 

 Black oxide of copper, 261 

 " rain in Ireland, 318 

 Blackwall, Mr. 33-2 

 Blake's fire proof paint, 93 

 Blisters, causes of, 33-2 

 Blood, human, copper in, 203 

 Blood-spots on human food, 320 

 Boettinger, Prof., 90 

 Bohemia, trilobites of, 284 



Boilers, improved locomotive, 38 

 " safety-fuse for, 25 

 Bolaud, M., 62 

 Bonall, D. P., 61 

 Bond, George P., 343 

 Bones, cancellated structure of, 3-26 

 dissolving, by steam, 97 

 " fossil, of the birds of New Zea- 

 land, 278 

 " from New Zealand, 280 

 Bone caves of Pennsylvania, 276 

 Boston Harbour, lighthouse in, 74 

 " longitude of, 341 

 " Traveller, 367 

 Botanical treasures of California, 301 

 Botany and astronomy, analogy in, 342 

 Boundary, Northeastern, 366 

 Boutigny, M., 196 

 Bovine animals, fossil, of Scandinavia, 283 

 Bow-ditch, Dr. H. I., 320 

 Brain, production of sugar in the urine 



by wounding, 174 



Brandt, Mr., 286 



Brass, magnetized, 134 



" to zinc, 90 



Bread and carbonate of soda, 183 



Breaks, improved, 42 



Breed, Dr., 332 



Brevvster, Sir David, 176 



Brick-making machine, new, 49 



Bricks, hollow, 95 



Bridge, Britannia tubular, 15 



" girder, 21 



" iron-arched, 14 



" novel suspension, 20 



" over the Ohio, 13 



" proposed suspension, over the 



Dnieper, 21 



" suspension, at Pesth, 22 



Bridges, suspension, iron for, 86 



British Association, 368 



" gold, 92 



Brumley, Prof., 25! 



Bulfers, improved, 42 



Buildings, public, cost of, 366 



Buist, Mr. G., 153 

 Buoyancy of the water of the Dead Sea, 161 



Burat, M., 253 



Burke, Mr., 102 



Burning-fluids, experiments on, 192 



Cables, chain, links for, 81 

 Cabot, E. C., 247-249 

 Calcined granite for fictile purposes, 95 



California, botanical treasures of, 301 



diamonds in, 2(50 

 geology of the gold regions of, 222 



gold, analysis of, 255 



gold dust from, 256 



new river in, 359 



platinum in, 2(50 



" quicksilver in, 259 



Cancellated structure of bones, 32(5 



Candle-flame, nature of, 154 

 Capacity, cranial, of different races, 317 



Cape Hatteras, 355 

 Caps, percussion, machine for making, 47 



Cur- wheels, 42 



Carbon, volatilization of, 196 



Carbonate of lime in sea-water, 201 



" of soda and bread, 183 



