Cc AP 
Canal, Welland, U.C., account of, 
W. H. Merritt, xiv, 159.f 
, toconnect Lake Superior with 
Lake Huron, xlvi, 218. 
locks at Cincinnati, Ohio, plan 
of, D. Lapham, xxiv, 70. 
navigation, mode of, vii, 190. 
Cancer, fossil, in New Jersey, xvii, 
287. 
Cancers, cured by surgery, xii, 
386. 
Candle, motion of the melted grease 
in warming, C. Fox, xxxiii, 198.f 
, note on, xl, 148. 
9 
Candlenut tree, of the Sandwich 
Islands, xxxiv, 209. 
Cannel coal, see Coal. 
Canova, statue of, by Ceccarini, iv, 
197. 
Cantharides, vesicating principle of, 
G. W. Carpenter, xxi, 69. 
Cantharidin, in the potatp Nya sled 
Dana, i\, 137. 
Caoutchoue, electrical properties of, 
xx, 404. 
sobs ey, 
——, sheet, xvii, 399. 
, cloth coated with, xxxiui, 400. 
, rendered impermeable to gas, 
xlvii, 194. 
, mineral, vi, 370; xl, 215. 
Cape of Good Hope, geology, scen- 
ery, &c., G. Champion, xxix,| 
230. 
— —— , fossils of, xlix, 
213. 
Capillary attraction, TJ. Strong, 
xviii, 70. 
on, J. W. Draper, xxvi, 399. 
xiv, 384. 
of fissures, vill, 377 ; ix, 
193. 
, a singular instance of. 
the passage of mercury along a 
lead bar, J. Henry, xxxviii, 180. 
tubes, electricity produced by, 
ascent of fluids in, ix, 193. 
43 
, Mitchell’s mode of working, | 
, In Connecticut, vi, 370.) 
, influence of electricity 
action of different solutions,| 
© sa & 
(Capitol, at Washington, dimensions 
of, xvi, 168. 
Carbon, supposed crystallization of, 
C. C. C. Cohen, xx, 167. 
, combustibility of, increased 
by platina and copper, xviii, 147. 
, electro-magnetic property of, 
xviil, 175. 
, fused, see Charcoal. 
, on the supposed conversion 
of, into silicon, xli, 208; xlii, 
193. 
, a2 compound body, R. Rigg, 
| xiv, 211. 
battery, 200-00, IB PAE 
, B. Silliman, Jr., xliii, 
393 ; xliv, 180.f 
Carbonates and calcareous marl, ap- 
paratus for analyzing, W. B. 
|| Rogers, xxvii, 299.f 
, new means of analyzing, W. 
B. and R. E. Rogers, xlvi, 346£ 
, alkaline, decomposition by 
the light of the sun, J. W. Draper, 
xlvi, 398. 
Carbonate of lime in calcareous sub- 
stances, new instrument for esti- 
mating, J. L. Smith, xlv, 262.f 
and arragonite, Becque- 
rel, xxiii, 387. 
of potash, free from silica, 
preparation of, xlix, 195. 
of potash and soda, mixture of 
pure, xlix, 195. 
Carbondale coal mine, xviii, 319. 
Carbonic acid of the atmosphere, 
from a memoir by Saussure, xvi, 
214. 
, amount of, in the at- 
mosphere, xx, 183. 
of wells, means of re- 
moving, xxxvill, 206. 
, on the removal of, from 
wells, O. P. Hubbard, xlii, 165. 
, decomposition of, C. 
Despretz, xx, 186. 
: , by the light of 
the sun, J. W. Draper, x\lvi, 
398. 
, disengaged by the roots 
of plants, xlv, 227. 
