Cotton, use of, in dressing wounds, xxi, 159. ----, cloth, see _Cloth_. ----, gin, invention of, by _E. Whitney_, xxi, 209. ----, seed, illuminating gas from, _D. Olmsted_, viii, 294; x, 362. ----, plant, importance of cultivating it, iv, 86. ----, ----, remarks on the cultivation of, with reference to growing it in India, xxxviii, 131. ----, stuffs, singeing by the gas flame, x, 359. ----, trade, commencement of, in the United States, xxi, 252. ----, case of treatment by, xxiii, 198. _Couthouy, J. P._, remarks on icebergs, xliii, 154. ----, remarks on the distribution of corals, as determined by temperature, xlvii, 123. ----, on a charge made by _J. D. Dana_, xlv, 378; xlvii, 122. Couzeranite, description and analysis of, xvii, 183. Cow tree of Venezuela, xix, 370. Cowry, money, xxxii, 250. Crag of Norfolk and Suffolk, fossil vertebrated animals of, xxxi, 339. Craigleith quarry fossil tree, xxviii, 390. _Cram, T. J._, length of a degree, oblateness of the earth and planets, reduction of latitude, xxxi, 222.^f Cramp, cure for, xxx, 169. Crania, new work on American, proposed, _S. G. Morton_, xxxii, 207. ----, ibid, review of, xxxviii, 341. ----, American, characteristics of, xlvii, 408. ----, Ægyptiaca, _S. G. Morton_, notice of, xlvii, 205. ----, ancient Egyptian, _S. G. Morton_, xlviii, 268. ----, internal capacity in different races of men, _S. G. Morton_, xxxviii, 373. Crank motion, _A. B. Quinby_, vii, 316^f; ix, 317; xi, 338^f; xii, 124^f, 344^f; xiii, 73, 356. ---- ----, remarks in reply to _Mr. Quinby_, viii, 279; xii, 338^f; xiii, 75, 350. ---- ----, _I. Doolittle_, xii, 367; xiv, 60.^f Crayons, red, manufacture of, xvii 187. Crenate of copper, native, _C. T. Jackson_, xxxvii, 398. Crenic acid, and apocrenic acid, in water, _Berzelius_, xxviii, 121. Creosote, _M. Liebig_, xxviii, 131. Cretaceous (ferruginous sand) fossils, U. States, _S. G. Morton_, xvii, 274, 290; xviii, 243, 250^f; xxiii, 288^f; xxiv, 128^f; xlviii, 267. ---- formation of the U. States, a division in, _S. G. Morton_, xxviii, 277. ---- ----, review of _Morton's_ Synopsis of the fossils of, xxvii, 377. ---- ---- of the U. States, _E. Hitchcock_, xli, 246, 265. ---- ---- in South America, xli, 265. ---- ---- in America, extent of, _C. G. Ehrenberg_, xlvi, 307. ---- ---- of the Upper Missouri, Nicollet, xli, 180; xlv, 153. ---- strata of New Jersey, _C. Lyell_, xlvii, 213. ---- ---- of New Jersey, (green-sand) foraminifera in, xli, 213. ---- ---- of New Jersey, fossil crocodile in, S. G. Morton, xlviii, 265.^f ---- formation in N. Jersey, list of fossils in, _S. G. Morton_, xlviii, 267. ---- period in United States, _H. D. Rogers_, xlvii, 251. Crichtonite in Connecticut, xxxv, 179. ----, (variety Washingtonite) in Connecticut, _C. U. Shepard_, xliii, 364.^f ----, in Rhode Island, xxxv, 180.