INDEX. 
583 
Cockroach (great), where found, ii.300. its depredations, account 
of, 301. common black beetle of this genus, 302. 
Cocoa-nut tree, where found, iii. 209. described, 210. Toddy, 
what, and how procured, 211. various uses of the cocoa tree, 
212 . 
Cod, principal fisheries for, ii. 147 . manner in which the fish are 
caught and cured — train oil made from the livers — air bladder 
or sound, 148 — 151. method of making isinglass from, 152. 
amazing digestive power of the stomach — their vast fecundity, 
153. instance of a large one caught on our coast, 154. 
Cotfee, a tree of great service to mankind — described, iii. 73. his- 
torical account of, 74 — 78. cultivation, 79. has succeeded in the 
temperate parts of Europe, 80. different modes of taking coffee 
— criterion of good coffee, 81. 
Condur, supposed to be the roc of the Arabian Nights, i. 171. ex- 
aggerated accounts of, 372. carries off lambs, 373. makes its- 
nest among inaccessible rocks, 374. 
Copper, native, described, iii. 501. Red copper ore, 502. Blue 
oxide of copper — Green copper ore, 5 03. Gray copper ore, 504. 
Sulphate of copper, 505. principal copper mines, account of, 
507. descent into the mine at Fahlun, 509, 510. general pro- 
perties of copper, 512. remarkably impatient of moisture when 
melted— its dreadful effects exemplified, 513. coppers used for 
culinary purposes ought always to be carefully tinned, and why, 
514. 
Corallines of our coasts resemble plants in appearance — Sea fir 
coralline described - its polypes, ii. 606. methods of preserving 
them in an expanded state— large forests of corallines on the 
southern coast of America, 607, 608. great variety of species — 
Red pipe coralline, where found, 609. masses of coral rock, how 
composed, 6 10. 
Cork-tree, very sensible of cold, iii. 214. manner in which the cork 
is procured, 215. 
Cotton plant, where found — described — its great utility, iii. 172. 
corolla described, 173. Cultivation of cotton in Europe, 174. 
in Asia, 177. in Africa, 1 79. and in America, 180. 
Cowry described — account of the manner in which the animal 
