392 



ANNUAL OP SCIENTIFIC DISCOVERY. 



PAGE 



Coal fields, origin of, 308 



large specimens of, 315 



mineral origin of, 312 



essence of as a substitute for oil 

 of turpentine, 294 



Coal, structure of, 318 



" of Torbane-Hill, 318 



trade of Great Britain, 315 



Cochituate water of Boston, remarkable 



change in, 316 



Coffee, physiological effects of, 257 



Coffer dam, iron, 55 



Coke, natural occurrence of in the coal 



formation, 320 



Cookery for soldiers, 75 



Color and form, relation of in plants and 



animals, 194 



Color, harmony and contrasts of, 197 



of the water of the Mediterranean, 199 

 Colors, harmonious in the plumage of 



birds and in plants, 193 



Colored impressions produced by the ac- 

 tion of light, 205 

 Coloring matters, new method of ex- 

 tracting, 92 

 Coloring matter of flowers, 288 

 Coloration of sea-water, 346 

 Collodion, new solvent for, 265 

 Comets discovered in 1854, 374 

 Compass, variations of in iron vessels, 150 

 Compass, variations of in iron vessels, 



Prof. Airy's opinion relative to, 154 



Copper and its alloys, durability of, 62 



" and copper sheathing, 241 



" influence of bismuth on the duc- 

 tility of, 237 

 Coupled cannons, 97 

 Courage of science, 97 

 Cow-dung, paper from, 116 

 Cuba, bail storms of, 373 

 Currents of the northern oceans, 216 

 Death, occurrence of at different periods, 373 

 Depth of the primeval seas, 301 

 DKVILLE, M., 232 

 Diamond, artificial production of, 237 

 Dilutation of cast iron by successive 



heatings, 58 



Disease of the grape and potato, origin 



of, 342 



Ditch-digger, Pratt's, 78 



Draft-closer, self-acting, 75 



Dredger, Forde's rotary, 77 



Dredging machine, Hamilton's, 77 



Documents, means to be employed for 



detecting fraudulent alterations in, 252 

 Earth and other planets, cause of the 



primitive incandescence of, 303 



Earth, Foucault's demonstration of the 



rotation of, 179 



Earthquakes, observations on, 324 



Electrical discoveries, 



Electricity, lighting by, 142 



transmission of, 140 



Electric illumination, 141 



" transfer, apparent mechanical 

 action accompanying, 144 



Electrization, influence of, 168 



Electro-magnetic engraving, 170 



Elephas primigenlus, 333 



English census, curiosities of, 131 



" standard of weights and meas- 

 ures, 69 

 Engraving, electro-magnetic, 170 

 heliographic, 204 

 " Nature doi ig her own, 204 

 Experiments on the explosive character 



of certain compounds, 251 



FAIRBAIRN, MR., 74 



Fermentation, influence of air upon, 249 

 Fibres, cotton and flax, influence of or- 

 ganic acids upon, 293 



PAGE 



Fibres, ligneous, contortion of, 349 



Files, recutting teeth of, 76 



Firearms, improvements in, 95 



Fire, new Greek, 96 



Flax, cleaning machine, Caryl's, 92 



" machine for softening, 93 



Flora, carboniferous of Ohio, 316 



Flour-barrels, improvements in, 80 



| Fluorine, researches on, 238 



Fluohydric acid, vessels for the preser- 

 vation of, 263 

 Flowers, coloring matter of, 288 

 Food, equivalency of starch and sugar In, 273 

 " relative value of meats for, 274 

 Force, osmotic, 224 

 Form and color, relations of in plants and 



animals, 194 



FOUCAULT'S new experiments for dem- 

 onstrating the relation of the earth, 179 

 Frame for grape vines, 94 



Fuel, consumption of and prevention of 



smoke, 74 



Furnaces, application of the waste gases 



of, 69 



GALE, DR. L. D., 322 



Gas and gas fixtures, 246 



Gases of blastfurnaces, application of, 69 

 " specific heat of, 171 



Geology, recent progress of, 298 



Gilding, silk, cottcn and woollen threads, 89 

 GIRARD, CHARLES, ESQ., 350 



Glaciers, palaeozoic, probable former ex- 

 istence of, 300 

 Glucinium, metallic, 235 

 Glyptography, 125 

 Gold, deposits of in Canada, 325 

 " distribution of, 327 

 " oxide of, 263 

 " and silver, recovery of from the 



fluids used in electro-plating, 264 

 " vessels, formation of by means of 



phosphorus, 236 



Grape disease, origin of, 346 



" malady of. The oidium Tuckeri, 340 

 Grape vines, frame for, 94 



GREEN '6 improved rifle, 95 



Greek fire, new, 96 



Great Britain, coal trade of, 315 



Guano, deposits of in the Atlantic, 359, 361 

 " statistics of, 270 



Gulf-stream, 302 



Gum, new American, 339 



Guns, how spiked, 96 



Gunny fibre, bleaching of, 113 



Gutta-percha, substitute for, 346 



Gunpowder, application of galvanic bat- 

 tery for the ignition of, 143 

 Gunpowder, charcoal for, 121 

 Gypsum, extensive deposit of, 322 

 Hail in Cuba, 378 

 " protection against, 218 

 HAYES, DR. A. A., 63,246,359,361 

 Heat, radiant, present state of our 



knowledge of, 213 



! Heat, specific, of gases, 171 



Hemp, improvement in the preparation 



of, 93 



HENRY, PROF. JOSEPH, 208 



HILL'S smoke-consuming stove, 74 



Honduras, lotintain of blood in, 3G2 



Horn, coloration of, 102 



Horse-chestnut as food, 338 



Hydraulic cements, action of sea-water 



on, 56 



Himalaya Mountains, vegetation of, 347 

 Himalaya steamship, 29, 30, 31 



Illumination, electric, 141 



use of chemical light for, 242 

 India, as a source of materials for pa- 

 per, 110 

 Incrustations in boilers, prevention of, 48, 49 



