INDEX, 



479 



Chrysotype, a new photographic pro- 

 cess, 394, 397, 398. 



Chorion, the, 76, 139. 



, formed of cells arising in the 



oviduct, 225. 



, on its formation out of cells, 



279. 



Chronic diseases, application of iodide 

 of potassium to the cure of, 473. 



Claudet (A.), new mode of preparation 

 of the Daguerreotype plates, 315. 



Ciliary processes, the elements of the, 

 compared with corpuscles of the 

 blood, 324. 



Circle, computation of the ratio of the 

 diameter to the circumference to 

 208 places of decimals, 302. 



Circulation of the blood in the Myria- 

 poda and Arachnida, 458. 



Climate of London, on a cycle of 

 eighteen years in the mean annual 

 height of the barometer in the, and 

 on a constant variation of the baro- 

 metrical mean according to the 

 moon's declination, 292. 



, on the prevailing winds, mean 



temperature and depth of rain in 

 the, 300. 



Clock, description of an escapement 

 for an astronomical, 221. 



— — , electro-magnetic, 249. 



Clouds, stationary, on, 33. 



Coal and fossil wood, imbedded in ig- 

 neous rocks, 299. 



Coggan's (J.) self-registering thermo- 

 meter and barometer, 72. 



Colebrooke (H. T.), notice of the life 

 and works of, 10. 



Colours of mixed plates, on, 33. 



, on Nobili's plate of, 195. 



, vegetable, action of the rays of 



the solar spectrum on, 393, 397. 



of flowers, of the, in general 



under the action of the spectrum, 

 393. 



Comet of 1843, 450, 456. 



Compass, experiments for discovering 

 a correction for its deviation in iron- 

 built ships, 141. 



Conchoidal surface, geometrical and 

 mechanical elements of a, 81. 



Conduction, electrolytic, 50. 



— = — , or conductive discharge, 50. 



Conductors and insulators, analogy of, 

 50. 



Conferva crispa of Dillwyn, 238. 

 Conferva fluviatilis of Linnaeus, 238. 



Constant battery, Daniell's, 23. 



, account of the effects of a large, 



147. 



Constantinople, results of meteorologi- 

 cal observations at, 293. 



Contact theory of voltaic electricity, 

 200 ; chemical theory, 201. 



Convection, or carrying discharge, 56. 



Cooper (Sir A. P.), biographical notice 

 of, 344. 



Cooper (J. T.), description of a hydro- 

 pneumatic baroscope, 126. 



Cooper (J. S.) on the visibility of cer- 

 tain rays beyond the ordinary red 

 rays of the solar spectrum, 146. 



Copley Medals, awarded to M. Bec- 

 querel, 22 ; to J. F. Daniell, Esq., 

 23. 



, awarded to Prof. Gauss, 99 ; to 



Prof Faraday, 100. 

 , awarded to Prof. Liebig and to 



M. Sturm, 255. 



■ , awarded to Dr. G. S. Ohm, 336. 



, awarded to Prof. MacCullagh, 



419. 



Corallidffi, on the organic tissues in 

 the bony structure of the, 383. 



Copper, on the reduction of, 447. 



Cordilleras, heights of the principal 

 points of, 196. 



Cornea, the, a non-vascular animal 

 tissue, 310. 



Cornwall, electric conditions of the 

 rocks and metalliferous veins of 

 mines in, 317. 



Corpus luteum, elements of the, de- 

 rived from corpuscles of the blood, 

 324, 



Council and Officers of the Royal So- 

 ciety:— for 1837-38, 28 ; for 1838- 

 39, 105; for 1839-40, 184; for 

 18^0-41, 272; for 1841-42, 355; 

 for 1842-43, 423. 



Council of the Royal Society, their 

 statement relative to Mr. Panizzi's 

 pamphlet, 18. 



, report of their proceedings, 21, 



99, 332. 



, report on the state of the Soci- 

 ety's library, 333. 



Crozier (Capt. T. B. M.), meteorolo- 

 gical observations taken on board 

 H.M.S. Terror, 293, 374. 



Crustacea, on the organ of hearing in, 

 471. 



Crystalline lens, a non-vascular ani- 

 mal tissue, 310. 



