COA 
Coal in Pennsylvania; mines of Wy- 
oming valley, Z. Cist, iv, 1.f 
; of Wyoming, on 
the rocks accompanying, vil, 260. 
; of Wyoming and 
Lackawanna valleys, account of, 
B. Silliman, xviii, 308.f 
, on Tioga river, analy- 
sis and description of, W. Meade, 
xlll, 32. 
, In the Monongahela 
valley, S. P. Hildreth, xxix, 
58.f 
some account of, W. R. Johnson, 
xxxix, 137, 
, ibid, analysis of coal 
from, xxxix, 139. 
, bituminous, xii, 69. 
, SP: Hildreth, 
>) 
SOR ire 
, Lehigh company, xxiv, 
173. 
in Rhode Island, anthracite, 
on the uses and characters of, B. 
Silliman, xi, 78. 
, C. T. Jackson, x, 187. 
in Tennessee, xxix, 141 ; xxx, 
391. 
in Virginia, beds of, J. Gram- 
mer, i, 125. 
, bituminous,remarks on, 
J. Pierce, xi, 54. 
» mines near Richmond, 
Statistical and geological account 
of, A. S. Wooldridge, xliii, 1, 
, bituminous, of Chester- 
field Co., analysis of, B. Silli- 
man and O. P.Hubbard, xlii, 369. 
, Kenawha valley, xxix, 
108‘, 109.f 
, Wheeling, S. P. Hil- 
dreth, xxix, 80.f 
, porous anthracite or nat- 
ural coke, W. B. Rogers, xliii,175. 
in eastern Virginia, of the low- 
er oolite epoch, W. B. Rogers, 
xliti, 1'75. 
of the Western states, charac- 
ters, limits, &c. of the beds, J. 
Hall, xlii, 52. 
———— 
at 
53 c 
, Carbon Creek deposit,| 
oF 
Coal mines, explosions in Ameri- 
can, XxXxvil, 387. 
, accident in the Bovey, 
in consequence of the compres- 
sion of the air, xvii, 388. 
, burning of, at New Sau- 
chie, xix, 386. 
, fire damp,at Newcastle, 
chemical examination of, LE. Tur- 
ner, xxxvil, 201. 
Coast survey, U. States, xlix, 229. | 
Coat of mail, found in Vermont, 
xill, 199. 
Coates, B. H., on the Uvularia per- 
foliata, as a remedy for poisoned 
wounds, xxxv, 270. 
Cobalt, modes of detecting, Prof. 
J. F. Dana, viii, 301. 
, Spontaneous combustion of, 
xv, 188. 
and nickel, Débereiner’s mode 
of separating, v, 188. 
and nickel ores, of Chatham, 
Ct., analyses of, A. A. Hayes, 
xxi, 195. 
, [iron,] arsenical, of N. H., 
J. F, Dana, viii, 301. - 
, oxide of, near Silver Bluff, 
S. Carolina, J. L. Smith, xlvii, 
131; xlviul, 103. 
ores, analyses of two, Wohler, 
XxXxvl, 332. 
, localities of, in Connect- 
icus,)v1,209,, 239) 3 ixxis.19p, 
, in Maryland, iv, 283. 
, 1n Missouri, xii, 378. 
, in N. Hampshire, viil, 
301, 198. 
Coca of Peru, iii, 397. 
Coccolite in N. York, v, 269; vii, 
57; 1x, 40, 250; xix, 224, 
in Canada, vill, 70. 
Coffee, consumption of, in Europe, 
iv, 392. 
, the Astragalus balticus in 
Sweden, a substitute for, v, 180. 
tree, leaves of, used for tea, 
xlix, 401. 
Coffin, J. H., secular acceleration 
of the moon’s mean motion, xlvii, 
324,f 
