C0 & 5L COA 
Cloth, cotton, printing of, in Man-|\Coal in the arts, heating power of, 
chester, England, Xxill, 220. W. R. Johnson, xlyii, 126; xlix, 
: , Singeing, in the manu-|| 166. 
facture of, xxiii, 217. 5 , consumption of, in 
made of class, XXxix, 386. steam engines, xxix, 351. 
, incombustible, v, 188; villi, : , comparative value of 
390. American, for steam navigation, 
» woollen, remarks onthe man-|| W. R. Johnson, xlix, 310. 
ufacture of, xxiii, 218. oe , amount consumed at 
Clouds, fogs and rain, account of,| Pittsburg, xxix, 79. 
W. C. Redfield, xxxiii, 54. ; , comparative charac- 
, how sustained, Stevelly,| ter of European and Ameri- 
xxxvill, 105. can anthracites, W. Meade, xii, 
, formation of. gol cneli ye XXXVIll,]| ‘75. 
105. fossils, vegetable, A. Brong- 
, application of the law of defi-/| niart, iv, 266f; analysis of the 
nite proportions to the stratifica-|| works of Ad. Brongniart on, vii, 
tion of, xliv, 172. 178. 
——, register of, at Nantucket, —, ——, H. Witham, 
Mass., xlix, 406. xviii, 110.f 
; , at Hudson, Ohio, £. ——, , in England, iii, 
Loomis, xti, 323; xlix, 280. 389. 
, classification of, EH. Loomis, ; , at Wilkesbarre, 
xli, 325. Basix loo: 
Clypeaster, in the blue marls of N. , upright trees, Nova 
Jersey, xvii, 287. Scotia, C. Lyell, xlv, 353. 
Coal, analyses of, W. R. Johnson, » Ohio valley, S. P. 
XXXVill, e623 xxxix, 1389; xlix,|| Hildreth, xxix, 1, 1514 
169. , marine shells, Eng- 
5 , of Maryland, Ducatel) land, xxv, 199. 
and Alexander, xxvii, 31. , freshwater shells, Lan- 
—., of Virginia, Chester-|} cashire, England, xxxivy, 26. 
fipidl B. Silliman and O. P. Hub- , origin of, xii, 87; xviii, 321. 
bard, xi, 369. —. anthracite, xxiv, 172. 
: , of Pennsylvania, Tioga||——, bituminous, xvii, 397. 
Co., W. Meade, xiii, 32. period, probable constitution 
; indicating iodine, M.|| of the atmosphere during, H. D. 
uso ad Pale fa Rogers, xlvii, 105. 
, passage of anthracite into bi- , peat converted into, xxxivy, 
tuminous, M. C. Lea, xl, 370. 395. 
, cannel, xviil, 376; xxix, 39; , Specific gravities and com- 
XXX) 19! bustible qualities of Ohio coals, 
, economical uses of anthracite,|} S. P. Hildreth, xxix, 147. 
x, 331; xi, 78. 
ing iron, Xxxili, 266. 
,in smelt-||Coal Mines and Formations, characters 
and localities of. 
,in_ black-||\Coal in Alabama, bituminous, xxvi, 
smith’s shops, G. Jones, xviii,|| 190. 
303. —- on Arkansas river, iii, 41. 
. ——, when first in Connecticut, i, 239; iii, 
used in blacksmithing, xviii, 307.|| 248; v, 446; xxxiii, 163. 
