394 



ANNUAL OF SCIENTIFIC DISCOVEKY. 



PAGE 



Boring machine, improved, 115 



Bottles, machine for uncorking and de- 

 canting, 131 

 BOYDELL'S steam-carriage, 63 

 Brake, hydrostatic railway, 59 

 " Miller's steam-car, 57 

 " new rail-road, 58 

 Brass formed by galvanic agency, 220 

 Brick-machine, improved, 126 

 Britain, Great, production and consump- 

 tion of metals in, 306 

 British Association for 1855, 

 Bromine, separation of, from iodine, 230 

 Building materials, Professor Henry on 



the strength of, 199 



Bullet-mold, improved, 98 



CAILLE, M. his visit to Timbuctoo, 19 



Calcium, metallic, preparation of, 212 



properties of, 213 



Calico printing, improved cylinders for, 79 



California, minerals of the gold region, 330 



Calomel, preparation of, 276 



Camera lucid a, substitute for, 169 



Cannon, aiming with, 95 



" improved, 97 



" testing of, 94 



Car-coupling, improved, 61 



" seat, Bailey's adjustable, 60 



" springs, Adams's improved, 



" ventilator, Foote's, 61 



Cars, rail-road, device for replacing on 



track, 61 



Carbonic acid, medicinal effects of, 253 

 " production of, in the soil, 273 

 Carriage, three-wheeled, 78 



Carriages, improvements in, 78 



Carving machine, Gear's, 111 



Castings, calculation of the weight of, 



from pattern, 65 



Cements, action of sea-water on, 268 



" and mortars, 265-7 



Cells relation of, to consciousness, 340 



Chain-cables, pressure-stopper for, 90 



CHAMPION'S improved boilers and fur- 

 naces, 



CiiAtrvENET's great circle protractor, 197 

 Chinese, accuracy of, as observers, 199 

 Chlorophyll in infusoria, 333 



" Mohl on, 333 



Cholera, new theory respecting, 349 



Cities, peculiarities of certain localities, 201 

 Clock escapement, improved, 128 



Cloth, printing on, by the photographic 



process, 174 



Coal, distillation of, 246 



" estates, revenue of, 301 



" fields of Pennsylvania, fossils of, 281 

 " from Arctic regions, 326 



" legal weight of a ton, 133 



" production and consumption of, in 



Great Britain, 306-7 



" tar, and its products, 238 



" waste of, 301 



Coal-hole cover, improved, 89 



Cobalt, separation from nickel, 225 



Coffee, preparation and use of, 255 



" substitutes for, 235 



Co'lege of Domestic Economy, 15 



Collodion process of photography, im- 

 provements in, 178 



PAGE 

 Color blindness, 165 



" in nature and art, 166 



Colorado desert, ancient lake in, 288 



Combustion, observations on the means 



of increasing the quantity of heat from, 188 

 Comets discovered in 1855, 373 



Compass variations, 154 



Conductors, lightning, 



139 



Copper, new process for the determina- 

 tion of, 225 

 " produce of Lake Superior for 



1855, 309 



Copperplate printing, improvements in, 108 

 Copying machine, Ames's, 108 



Coral, artificial, 267 



Cornish engines, daily duty of 308 



Cotton-waste, cleaning and renovating, 236 



Daguerreian image, curious fact in rela- 

 tion to, 186 

 Daguerreotypes, engraving from, 182 

 " stereoscopic, 173-86 

 DEDERICK'S improved hay press, 133 

 Diseases, registration of, 16 

 Development, theory of progressive, 314 

 Diamond, remarkable Brazilian, 302 

 Dicynodon, a new fossil animal, 322 

 Dinornis, new species of, 322 

 Dovetailing-machine, Burleys, 111 

 Drift, phenomena of, 292 

 Drill, hydraulic rock, 

 Dust in rail-road cars, prevention of, 62 



Earth-boring machinery, improvements 



in, 



Earth, determination of its density, 164 

 " galvanic action in, 152 



Earthquake Indicator, 299 



" aves, 297 



Earthquakes, origin of, 295-6 



Electric cable, experimental observa- 

 tions on, 146 

 " communication, Bonelli's ex- 

 periments on, 149 

 current, velocity of, 143 

 " currents, peristaltic induction 

 of, in submarine telegraph 

 wires, 147 



light, stratification of, 



141 



Electricity, atmospheric, measurement 



of, 151 



" discharge of, from telegraph 



wires, 140 



Electro-plating with the white, earthy 



metals, 219 



Electrotyping, improvements in, 145 



Engine, Ericsson's, 39 



portable boring, 113 



" screw-propelling, 31 



Engraving with the aid of the photo- 

 graphic process, 178-82 

 Entomological specimens, preservation 



of, 852 



Ericsson's hot-air engine, 39 



Eye, structure of, 360 



Eyes, cifect of industrial occupations on, 345 



Fabrics, rendering water-proof, 278 

 Fiber, vegetable improvements in pre- 

 paring, 277 

 Fibers for paper-making, 835 



