INDEX TO VOL. II. 



^THER, on the theory of the forma- 

 tion of, 370. 



^therol, on the formation of, in pre- 

 paring aether, 380. 



jEthyl, on the decomposition of the 

 salts of the oxide of, 371. 



Air, e.xperiments on, hy Dalton, 533 ; 

 bv Gay Lussac and Humboldt, 535 ; 

 by Rudberg, 507, 643. 



, drj', expansion of, 507, 514. 



Ammonia, on the combinations of, 

 with carbonic acid, 98 ; method of 

 determining, 99; on the anhydrous 

 sulphate of, 551. 



Animals, on the individuality of, 281, 

 307. 



Atmosphere, on the dispersion of elec- 

 tricity in, 402 ; on the spaces occu- 

 pied by the gases constituting the, 

 517; on the quantity of aqueous 

 vapour contained in the, 526 ; in- 

 fluence of, on the galvanic circuit, 

 472. 



Atmospheric air, on the density of the, 

 518. 



Barometer, oscillations of, 529. 



Benzenberg, M., on the fall of bodies, 

 347. 



Berzelius, J., on the spaces occupied 

 by the gases constituting the atmo- 

 sphere, 517. 



Bessel, F. W., on the determination 

 of the axes of the elliptic spheroid 

 of revolution, which most nearly 

 corresponds with the existing mea- 

 surements of the arc of the meri- 

 dian, 387 ; on barometrical mea- 

 surements of heights, 517. 



Biot, M., on light polarized by re- 

 fraction, 159. 



Bodies, on the law of the fall of, 347. 



Brewster, Sir D., on the polarization 

 of light, 159, 163. 



Brown, Robert, on the structure of 

 the cells in the Orchidcae, 282. 



Calorific rays, unequally polarizable 

 nature of, 148. 



Cambium, on the origin and import of. 

 8(15. 



Carbonates of ammonia, the neutral 



anhydrous, composition of, 102; 

 action of gaseous chlorine on, 106 ; 

 the neutral hydrous. 111 ; the ses- 

 quicarbonate, 115; bicarbonate, 

 128. 



Carbonic acid, on the combinations of, 

 with ammonia, 98 ; on the methods 

 of determining, 100. 



Cellsof plants, on the originof the, 281. 



Chameedora Schiedeana, on the struc- 

 ture of, 310. 



Chlorine, on the action of, on the hy- 

 drous carbonate of ammonia, 106. 



Cobalt, on the separation of iron from, 

 385. 



Condenser, on the theory of the, 419. 



Coulomb's experiments on the diffu- 

 sion of electricity in the atmosphere, 

 remarks on, 446. 



Crassula portulacca, on the structure 

 of, 311. 



Cryptogamia, on the formation of the 

 cells in, 290. 



Current, electric, general properties 

 of, 478. 



Cytoblast, on the nature of the, 283. 



Dalton's views on the constitution of 

 the atmosphere, remarks on, 531. 



Declination, magnetir>, 54. 567, 589. 



Density of vapours, 533. 



Earth, on the distribution of magnet- 

 ism in the, 195; on the rotation of 

 the, 347 ; on the figure of the, 387. 



Electric force, on the determination of 

 the, at any place of a galvanic cir- 

 cuit, 411, 458. 



Electric current, phasnomena of the, 

 477. 



Elfictricity, on the distribution of, 402 ; 

 general observations on the diffu- 

 sion of, 437. 



Electro-chemical theory, 491. 



Electro-magnetism, on the applica- 

 tion of, to the movement of ma- 

 chine?, 1. 



Electroscopic phasnomena, 455. 



Elliptic spheroid of revolution, deter- 

 mination of the axis of the, 387. 



Encke, J. E., on the method of least 

 squares, 317. 



