50 INDEX. 



Coal districts, conjectures on the formation of, ii. 205 



— new products from, v. 307 

 • analysis of, viii. 163 



tar, observations on a substance produced during the dis- 

 tillation of, 287 



gas obtained from, xiii. 227 



gas, theory of the formation of, xi. 344 



successfully applied to the inflation of air balloons, xii. 114 



' strata of England, notice of, xiv. 151. New seam of dis- 

 covered, 453 



gas retorts, artificial plumbago in, xv. 159. Estimate of 



the force of explosion of, 278 



— coal strata, products of the combustion of certain, xvii. 

 ISO 



found in Mexico, description of, ix. 27 



CoATEs (Dr.), new hydrostratic balance of, ix. 388 



Coating for specula, xviii. 181 



Cobalt and nickel, amalgamation of, by arsenic, xvi. 166 



Cochrane (Lord), observation on the lamp reflectors of, v. 178 



CocKERELL (C. R., Esq.), notice of his researches in Greece and 



Asia Minor, iii. 390 

 ■— observations of, on the original composition of the 



statues of Niobe and her children, v. 99 

 ' observations of, on the Egina marbles, vi. 327. 



vii. 229 



Cod-bank, newly discovered, vi. 383 



Code Napoleouy regulation of, concerning the devolution of pro- 

 perty, in cases of possible survivorship, iii. 40 ; and also on 

 the legitimacy of a child, 44 



Coe-fire of Derbyshire, phenomena of, described, x. 459 



Cohesion, attraction of, i. 90 



CoiMBRA, astronomical tables of, compared with those of Delam- 

 bre and Burckhardt, xviii. 340-342 



CoiNDET (Dr.), remedy of, for bronchocele, x. 191 



■ on the use of iodine in medicine, xii. 187. Particularly 



in scrofula, 243 



