.58 INDEX. 



method of calculating the angles made by any planes of 

 crystals, 296 

 Cucumber, immense, notice of, vii. 399 



Cucuta (valleys of), description of, iii. 337. Their situation and 

 physical geography, 399. Productions, 340. Inland navigation , 

 ibid. Notice of the trade in cattle, and of the manners of the 

 drovers, 341. Population, 343. Dress and amusements of the 

 inhabitants, ibid. 344. Degraded state of the Indians of, 345. 

 State of the men of colour, 346. Account of the dances of the 

 Cucutians, 347 

 Cunnemara, notice of an earthquake at, xii. 426 

 Cumano (Capuchin mission of), present state of, ix. 3 

 CuMMiNG (Mr.), observations of, on the dead escapement, xvi. 9 

 CuMMiNG (Prof.), table of thermo-electrics by, xvi. 171. On 

 thermo-electric rotation, 372 ; and on a thermo-electric phe- 

 nomenon, with iron, 374 

 CuNOBELiN a British monarch, remarks on some coins of, xii. 6- 



8, 12, 13 

 Cupapuy (a Capuchin mission in Spanish Guayana), plan of, viii* 



274. Description of it, 275. ix. 21. 

 ■ excursion in its vicinity, ix. 22 



Cupellation, of metals, experiments on, ix. 183 

 Currents of the Atlantic, observations on, iv. 110 

 Curvature of the arches of the bridge of the Holy Trinity, at 



Florence, observations on, xv. 1-8 

 CuTBusH (Dr.), experiments by, with nitric acid, on charcoal, 



xvi. 161 

 CuTHBERT (Mr.), on a reflecting compound, and single micro- 

 scope, XX. 377 

 Cutlery, analysis of the stone used in setting, vii. 399 

 CuviER (M.), notice of his memoir on Cephalopodes iii. 148. 



Observations of, on a hitherto undescribed fossil body, 158 

 Cyanate of potash, how prepared, xviii. 394 

 Cyanide of mercury, new compound formed by mixing a solution 



of, with a solution of iodide of potassium, xiii. 401 

 Cj'-anogen and its compounds, observations on, vii. 179 



