INDEX 



PAGE 



Africa, Livingston's researches in, 336 



" South, fresh-water lake of, 3SS 



Agriculture, improvements in, 24 



" recent progress in Great 



Britain, 292 



Alloys, manufacture of, 244 



Ambulances, French, 63 



American Association for Promotion of 



Science, meeting for 1856, 3 



America, mountain chains of, 308 



South, saline deposits of, 319 



Ammonia in rain water, 294 



Anatomical collection, curious, 365 



Anemometer, self-registering, 219 



Animals and man, relations of, 349 



Animal substances, preservation of, 295-6 

 Apparatus, Electro-Medical, Piggott's, 142 

 Ararat, Mt. ascent of, 13 



Arctic Ocean, deep sea soundings in, 322 

 " regions, occurrence of fossil wood 



in, 298 



Artesian wells, negative, 307 



Assyria, antiquarian researches in, 

 Asteroids, the, 372 



Astronomical observations in Southern 



Hemisphere, importance of, 332 



Atlantic, discovery of volcanic cinders 



at the bottom of, 320 



Aurora Borealis, origin of the, 141 



AYTOTJN, KOBEET, 42 



BAILEY, Prof., on the origin of the green 



sand, 303 



BALL'S steam safety pump, 66 



Barn door fastener, self-acting, 130 



Barometer, aneroid, imperfections of the, 221 

 Battery, galvanic, Breton's, 142 



" " laying the guns of, without ex- 

 posing the men, 134 

 Beaches, sea, action of waves on, 216 

 Bearings, leather, for axles, 70 

 BECQUEKEL, M., 135 

 BENNETT'S hot air locomotive, 58 

 BENT, Lieut., 217 

 BERDAX'S compressible life-boat, 38 

 BESSEMER, M., 70, 256, 261 

 BLANCHAED'S timber bending process, 65 

 Blast pipe, Coopers improved, 69 

 Blowing machine, Mackenzie's, 63 

 BLAKE, W. P., on the mountain chains of 



Western America, 308 



Blood, cause of fluidity of, 364 



" effects of chloroform on the, 281 

 Boats at sea, new plan for lowering, 39 



Bodies, celestial, on the rotatory move- 

 ments of, and the spiral forms of 

 nebula?, 187 



PAGE 



Bodies in motion, heat produced by the 



influence of the magnet on, 149 



Boilers and furnaces, marine steam, new 



condenser for, 50 



Boiler apparatus, safety, 50 



" incrustations, prevention of, 51 



Boilers, pressure of steam in, 51 



" steam, development of heat in, 64 



" interesting experiments 



with, 43 



Boilers, steam, smoke consumer for, 51 



Boiler, steam, Stevens's improved, 47 



Botanical science, discoveries in, 27 



Brakes, horse, 121 



Bran in bread, utility of, 3G4 



Bricks, perforated and solid, 



Brine, a poison, 366 



" use of in food, 231 



Buildings, new, when dry enough to be 



inhabited, 82 



Bullet machine, "Ward's, 86 



Burner, gas, improved, 113 



Buttons, India rubber, 114 



Calico printing, 90 



" egg albumen in, 233 



California gold product for 1855, 329 



Camphor and snow, similarity of form in, 

 under certain conditions of crystalliza- 

 tion, 221 

 Candle manufacture, Laporte's improve- 

 ment in, 240 

 Candles, hardening the outside of, 239 

 Cannon, on the possibility of construct- 

 ing of great calibre capable of endur- 

 ing long continued use under full 

 charges, 163 

 Carboniferous reptile, new, 338 

 Carmine, brilliant and cheap, 280 

 Car brake, Loughridge's self-acting, 54 

 Cars, city, safety attachment to, 54 

 " excluding dust from, 58 

 Casts, plaster, of leaves and flowers, 117 

 Cedar swamps of New Jersey, 342 

 Chain-making machine, improved, 80 

 Chemistry, progress in, 19 

 Chlorimetry, investigation in, 231 

 Chloroform, effects of, on the blood, 281 

 mortality from, 364 

 new instrument for admi- 

 nistering, 116 

 Chimney register and weather-cock, 124 

 Churches, iron, 81 

 Churning, new theory of, 132 

 Circuits, submarine, is the law of squares 

 applicable to the transmission of sig- 

 nals in? 143 



