cAM 
Calcium, obtained by R. Hare, 
xxxvil, 267; xxxvill, 115, 181, 
189; xxxix, 362; xl, 2938.f 
Calculating machine, Constants,| 
Babbage’s, xxviii, 64. 
Calculi, chemical examination of, 
by J. F. Dana, iv, 149. 
, urinary, composition of, xvi, 
190. 
, gouty, xlvii, 197. 
, in the ovary ofaturtle, J. E. 
Muse, xxvii, 168. 
Calculous affections, E. D. Smith, 
ili, 300. 
, use of alkaline pastils 
in, xl, 388. 
Calculus, higher, fundamental prin- 
ciple of demonstrated by the meth- 
od of indeterminates, xvil, 74. 
, differential, first principles of, 
T. Strong, xlv, 269. 
California, climate of, J. Baill, 
xxvill, 15. 
, elevation of, during the ter- 
tiary epoch, 7. A. Conrad, xxxv, 
245. 
Calligraphy, method of, by M. Le 
Roy, vii, 377. 
Calomel, remarks on, xlvii, 193. 
Caloric, a cause of galvanic cur- 
rents, J. P. Emmet, xxv, 269. 
, the cause of all kinds of at-) 
tractions, S.L. Metcalf, xxvii,153.| 
, see farther, Heat. 
Calorificator, xxx, 168. 
Calorimeter, new, A. Ure, xxxviil, 
109. 
Calorimotor, R. Hare, i, 413!; v, 94. 
, magnetic effects of, v, 357. 
, remarks on Dr. Hare’s, v, 
364. 
, for galvano-ignition, R. Hare, 
Xxxil, 284.f 
, mode of increasing shocks, 
C. G. Page, xxxi, 137. 
Calstronbarite, supposed new min- 
eral, C. U. Shepard, xxxiv, 161. 
, hot a mineral species, xiii, 
366. 
eo a system, Sedgwick, xxxvii, 
42 
CAN 
Cambridge, England, improvements 
in, xlvi, 403. 
Cambridge course of mathematics, 
review of, v, 304. 
Cameos, from shell, xxxii, 257. 
Campbell, A. W., an electro-mag- 
netic engine, xxxv, 343.f 
Camphor, crystallization of, MM. 
John, xiii, 175. 
, odor of, destroyed temporari- 
ly by electric action, xix, 380. 
Canada, maps of, in course of prep- 
aration, xvi, 380. 
Canada, vegetable coloring materi- 
als in, xvill, 186. 
, cave containing bones at La- 
nark, ix, 354. 
, supposed volcano in, xxx,238, 
241. 
, highest mountain in Lower, 
Xxx, 239. 
, geology and minerals of the 
vicinity of Kingston, xviii, 104. 
, transition rocks of the Cata- 
raqui, R. H. Bonnycastle, xviii, 
85; xx, 74¢; xxiv, 97f; xxx,233.f 
, various fossils in, J. Bigsby, 
vill, 60. 
, geological survey of, ordered, 
xlvili, 404. 
Canals, mathematical problems re- 
lating to contents of, D. C. Lap- 
ham, xxvii, 127.f 
, navigable, Girard on, iv,102; 
vil, 286. 
, Amsterdam, v, 181. 
in the U. States, extent of, 
Prof. Henry, xxxiii, 296. 
, method of conducting surveys 
of, in the state of New York, E. 
F. Johnson, xxiv, 19.f 
——, Erie, tolls on, x, 398. 
of Ohio, xx, 416; xxv, 241. 
——, Ohio and Pennsylvania, xxxi, 
40 
of Pennsylvania, E. Miller, 
xxv, 85; xxvi, 108. 
, route of the Michigan and Illi- 
nois, C. U. Shepard, xxxiv, 188. 
, Louisville and Shippingsport, 
Ky., xiv, 65.f 
