GENERAL INDEX. 



415 



Apparatus, candle-making, 

 diving, 



for filtering sea-water, 

 for preventing the bursting 

 of water-pipes from frost, 

 for stopping steam-engines, 

 steering. 



" telegraphic, Siemens's, 

 Apple, nutritive properties of, 

 Application of electro-magnetism as a 



motive power, 

 of heat and electricity ad 



motive powers, 



" of iron to railway struc- 



tures, 



of the electro-chronograph 

 to the determination of 

 the figure and density of 

 , the earth, 



" of the galvanic light, 



APPOLD, MR., 



ARAGO, M., 137, 



Arc, voltaic, 



" peculiar form produced io, 

 the diamond under the 

 influence of, 

 Arch-girder, 

 Aridium, a new metal, 

 Arms, fire, improvements in, 

 Arresting inflammation, mode of, 

 Arseniate of copper as a pigment, 

 Arsenic, occurrence of, in iron pyrites, 

 Artesian well at Charleston, 



" " of Bavaria, 

 Artichoke, value of, as an agricultural 



product, 

 Ash, quantity of, contained in various 



kinds of wood, 

 Ashes of anthracite coal, 

 ASHLEY, LORD, 



Asphaltum from New Brunswick, 

 Atlantic, currents of, 



States, marine flora of, 

 " waves, 

 Atmopyre, the, 

 Atmosphere, abnormal, growth of plants 



in, 

 dissemination of algous 



plants, 



extinction of light in, 

 " of rooms in warm climate?, 



means of cooling, 

 Atmospheric electricity, 

 Atomic weight of ozone, 

 AUGEND, ~\I.. 

 Aug. 19, 1347, meteor of, 

 Aurora borealis, cause of, 



" laws and origin of, 

 Availability of the green-sand of New 



Jersey as a source of potash, 

 --. Virginia, change in the proper mo- 

 tion of, 



Axles, railway, 

 AYRES, MR., 



BACHE, PROF., 127, 



BAILEY, PROF., 

 Bank of England note, 

 BANNISTER, JAMES, 

 EARLOW, P. "W., 

 W. H., 



47 

 64 

 63 



59 

 6 



43 

 120 

 193 



103 



110 



20 



123 

 112 

 60 

 140 

 113 



172 

 4 



172 

 41 

 354 

 212 

 179 

 271 

 270 



324 



233 

 305 

 205 

 307 



257 



322 



160 



51 



32-3 



321 

 139 



59 

 113 



247 

 217 

 372 

 114 

 115 



203 



374 



17 



333 



162 



306 



71 



7 



27 



130 



BARLOW, REV. J., 



BARTOL, B. H., 



Batteries, improvements in, 



BAUDRIMONT, M., 



BAUMGARTNER, M., 



Bavaria, artesian well of, 



BEATTIE, GEORGE, 



BEAUREGARD, M. DE, 



Beauty, geometrical principles of, 



BECQ.UEREL, EDMOND, 150, 



Beet-root, iodine in, 

 " " sugar, manufacture of, in Eu- 

 rope, 

 sugar in France, 



BENNETT, DR., 



BERNARD, M., 321, 



BERTHELCT, M., 156, 



BERTHON, REV. E. L., 



BEVAN, JOHN, 



Bible, serpent of, 



BIBRA. DR., 



BIOT, M., 



Bird supposed to be extinct, discovery 

 of a living specimen of, 



Birds, curious habits of, 

 " of New Zealand, fossil remains of, 

 " recent impressions of the feet of, 



BIRKINEINE, H. P. M., 



BIXIO, M., 



Black and Caspian Seas, relative level 

 of, 



BLAKE, W. P., 142, 



Blast-furnaces, use of the gases escap- 

 ing from, 



Blind, printing-machine for, 



BLINKHORN, "W., 



Blood, presence of fluorine in, 



Blow-holes of whales, cause of the jet 

 from, 



Blowing-pipe, hydrostatic, 



Blue color employed by the ancieits. 

 preparation of, 



Boat, life, new, 



Boats, sectional, 



Bodies, fusion and volatilization of, 

 " simple, distribution of, in na- 

 ture, 

 " spheroidal state of, 241, 



Body, human, test for the presence of 

 chloroform in, 



Bohemia, Silurian formation in, 



B >i!er-tubes, 



Boilers of steam-engines, incrustations 



in, 



steam, means of preventing the 

 corrosion of, 



BOND. G. P., 



" ' MESSRS., 363, 



" W.C., 148,364,369, 



Bond's comet, 



Bones, effect of nitric acid on, 



BONNEY, W,, 



Books, machine for folding, 



BOOTH, PROF. J. C., 



BORDEN. GAIL, 



Botanical medicine, Chinese, 



EOUSSINGAIILT, M., 

 BOUTIGNY, M., 



Brain in articulated animals, 



size of, in various races of men, 



71 



9 



111 



97 

 117 

 270 



64 



10 

 165 

 245 

 LSI 



79 



89 



340 



354 



232 



60 



4 



348 

 361 

 140 



344 

 345 

 313 

 314 

 30 

 140 



254 

 179 



87 



33 



46 



188 



337 

 89 



213 

 49 

 50 



170 



163 



244 



216 



259 

 7 



226 



11 

 366 

 377 

 373 

 S6o 

 195 



49 



33 

 175 



80 

 327 

 193 

 244 

 333 

 353 



