Brockle. 
notice 
Bromine esi the bittern of salt work s, 293 
Brongniart, A., plants of different geological| 
epochs, 120. 
Bron metals, new mode of, 423. 
sivigrne material, action of frosts on, 285. 
— — , artificial, 
essay new — of m 
Burr, E.. F., 
Uranus 236." 
ae Elements of Meteorology by,| 
C. 
“98 on Sterna cantiaca, and a new wren, 
» American and ra ea oyster-catch-| 
er, different species, 43 
California, Upper, Fremont’s report on, 280, 
—, ——, notices 0 
—, —,, quicksilver mines in, 270. 
oric, see Heat. 
Calotype on glass 
teed Mee "ae , by H. P. Sartwell, no- 
Caricogr hy, C. D 244 
jan evel of, 14 48 
peer classification, TS Hunt, 1 
os uahua, silver and copper mines ot 384, 
Chili, coal in, 146, 
Chlorastrolite, anew age 270. 
loroform, new process 
ot, 
— of birds tiene on, L. Agassiz,432. 
Climate, as indicated ore opening ua closin 
oft _ panes son river, 295. 
oe 
Coal i in Chili 
ss se is R. C. Taylor, noticed, 
New Mexico, 383, 385, 389 
Capi H., winds of the sitions hemis- 
Sie case roperty of, J. Ni , 424. 
Cold of Utie P a, 396. A — 
Coie ion of minerals, coins, &c., for salein) 
Color, petal of, on dew, J. Brocklesby, 
Come, new, discovered by Dr. Petersen, 
Com mercial Review, de Bow’ 
Conchaleny ae new Haliotis, — 
—— of Connecticut, J. H. Linsley, 23 
i >i a opinion of, on light of aoe \ 
Copper mi = of 1 Australia, 134. 
n California, 388. 
Cevsain Chiesa: 335. 
~—— ore, ps a insolubility of, in hydro- 
chloric acid 
ae er and zine, © eacbort 
Copying engravings, new phat ae N.deS 
Cremastochilus i in ant nests, S. S. Haldeman,| 
the Neptwaian, ‘theory of 
D 
INDEX. 
Cretaceous formation in New = and 
Western Missouri, 377, 
we and winds of the ocean, M. F. Mau- 
Curtis 2, M. '. ae to American 
Mycology, 349, 444 
Dalyell, J. G., work on rare and remarkable 
animals, noticed, 452, 
n lead diseases, 299. 
Dana Mancal of Mine ralogy, 302. 
Dead Sea, tot neux on, 146. 
—, level of, 148. 
—, expedition to, under Lieut. Lynch, 
| Declivity of slopes, 133. 
effects of fusion on density of rocks, 
133, 423. 
Density of rocks, effects of fusion on, 133, 423. 
Deschamps, copper in the bodies of animais, 
Desmidew, Briti sh, J. Ralfs on, noticed, 302. 
Deg influence of color on, J. Brocklesby, 
——, observations on, ogy 418. 
Dewey, C., Caricography, 244. 
—, ice a condu ctor of galv anism, 
, Grove’s et with water ohn ‘with 
the zine cup. 
xyd of zine in the porous cup, 254, 
lamin i aaa of, in the liquid way, 
Rogers, 11 
pimernbnet of zine, palladium, iridium, tin, 
of needle, variations in, arr 
Disisiility of magnitude, A. Mac Whorter, 
Dcleadation observations on, 268. 
rift, wave of translation as connected with, 
WwW. Whewell, 115. 
East Indies, observations on, 157. 
Economic geology, museum gd = 
Ele ctrical outed Ps R. Har 
El on of saa * "tight, 153. 
balan 
Blectrovelegraphy ee of, 4 
basis of Clansiticadiie M. 
ye 433. 
Emerald Nickel, B. oe Jr., 248. 
Emery inor, 272 
Emory, W. H., tour to California, 386 s 
Enge ae) note s by Prof. 
mmunicated be 86. 
En, lish sh prefixes from the Greek, J. W. Gibbs, 
vings, new mode of copying, 258. 
Expedition in search of Sir John Franklin, 
aang t io Dead Sea, under Lieut. io 441. 
ibid, under Lieut. lyneux, 
Sos a the barnacle, J. Leidy, 136. 
electro-magnetism, | 
Fi — os j 
Cretaceous formation in Texas, F. Ramer, 
F, 
Faraday, on the rotation of a ray of light by 
3 decomposed by team, tobi he i 
En pe 
