Ceney and mine 
402 INDEX. 
- Brewster, Sir David, on new kind of po- 
f. 
larity in homogeneous light, 
on Dr. Wallace’s preparations | 
1§ 
of the eye, 29 
Brisbane hah ss ence of longitude, 296. 
British ‘Alectintion for the advancement 
of science, abstract of, for 1 
hells, supposed ne 
Buckland, Rev. De Cakcount of ee 
sandstone near Liverpool, 307. 
asian of small coal to 
economic eee s, 308. 
letter to iA ton Dr. N. Web- 
ster, 375. 
Cc. 
Calcium obtained by Dr. Hare, 391. 
Cambridge, meteoric observations at, 
. 323. 
Come A. bal 4 electro-magnetic en- 
Carboni weit Soketotr and solidifi- 
cation a me 6, 374. 
mitted by a brine spring, 
293. 
Carbon, sca gues ¥t +5 vapor, 298. 
Carpenter, Prof. W. M., geological no- 
tices of Opelousas and. ‘Fitukinpas, 344. 
Catlinite, new mineral analyzed, 
Cattle of pot Park, 310 
Caustic potassa commerce—nature of 
= potassa ‘ matter, 299, 
Cavities j in qu ss artz, 139. 
combinations, 302. 
Chemistry, eatiract of of b. Dr. Beck, 385. 
mil Le before the 
h Association, 297. 
sae 
wet 
= Conrad, T. A. y Hotes on American ge-| 
. fy 287. 
Cook, Capt. J. We on the genus Pinus, 
Abies, &c., 311 
Courses of hurric , 201, 
Crichtonite, new locality of, 179, 180. 
Critical interpretation of bara and asah, 
375. 
, || Crosse’s oS with the voltaic 
1 
ba attery, 
Crystallization | od = as connected 
ith the au 
Cu palais, nis de f, 321. 
Cursory remarks on East Flocida, 47, 
Dana, J. D., on a supposed new mine- 
ral, 178. 
Dasari, anew ser species, 137. 
Darwin, Mr. mals rollected by 
him, remarked. ee tog rof. Owen, 195. 
aubeny, . Charles, on the climate of 
N. Am erica, 288. 
thermal springs of N. Amer- 
a, 307. 
Dawes, Mr. J. S., on manufacture of 
on, "303. 
eats Prof. J., auroral arch in Vermont, 
"380. 
and ecli ipse, 
Dent, portable mercurial pendulum, 289. 
Deflected currents bes air, their influence 
the rain gua 
Description of wo" new shells, 268. 
mires notice of some American spe- 
Diabeti ic sugar, analysis of, 298 
Dickinson, Rev. J. T., geological speci- 
mens from him notice 
paeaiet e of mosiiude between London 
d 
iuvial currents, evidences of by Dr. 
Hayes, 1 
ae helix for inducing magnetism, 
‘stars, micrometrical measures of, 
4 
Dunn's Chinese collection, 391. 
E. 
ars tani by Prof. L. Agassiz, 400. 
1 bap e of the sun observed at New Ha- 
ven, Pon ae 8th, 1838, 174. 
rved in Vt. by Prof. Dean, 
"|edit remarks by them on American 
ee by senior, on Mr. Junius Smith’s 
| Ehrenberg, Prof. C. G., on fossil infu- 
win as a moving power, 
apparatus and experi- 
| Se 
i a 
pein, sa 
4 
; 
