Peruse and electrepeter described, 
Employment of Uvalaria rfoliata, 270. 
Encke’s comet obse 
Encrinite, fossil, by yt °C. Anthony, 359. 
Engine, e ectro-magnet ic, 343. 
with reciprocating ar- 
e, 263. 
Erdmann and Schweigger’s Journal, ex- 
om, 356. 
Esp ys ie theory of storms a 208. 
er, On a new one e, 329. 
eae ite geologica 
Exley, Mr. Thos., on ’ specific gravity of 
“ay 206 
che au ical combinations, 302. 
: magnetic electricity, 252 
Exploring expedition to the Sou 
Extreme heat at Cumberland, Md., 190. 
mid 
Falco nan ge 
Ferns, vascular ene of, by Prof. Bai- 
ea 
=. Feu an anger’ 2 beg” on gems, 189. 
Fish with four eyes, 309. 
rth America, 180. 
Florida, Geet notices of, 47. 
Fluor spar, new phenomenon of color in, 
295. 
Forbes, — of subterranean heat and 
of brine spring emitting carbonic 
Fossil animals collected by Mr. Darwin, 
Fossils, as characteristic of strata, 237 
Font fish in red sandstone of New Jer- 
sey, 192. 
2 ie 5 B09. 
Banca. 118, 311,301, 
shells and bones at "Savannah, 3380. 
teeth, by ] ape of. Owen 
Fox, a mineral v. n obtained by him by 
| Geography and geology of British Asso- , 
ciation, 304. 
| Geology, American, notes on by J ew. Ts 
Gonra ad, 23 
bea ‘At atigua, 
nts of, 
can edition sate 
edition oF Bakewell, 385. 
64. 
iby oh Aa 
of St een 
of Florida, 60. 
of North America, 307. 
of F prec ee = 
and to ‘a western New 
York, 86. = y 
Mantell, yonder of, 384. 
science m Glasgow trea- 
s, 387. 
as, Geological excursion, 309. 
surveys, 384, 
— sent from the In- 
dian Archipelago, 381. 
Gibbs, Geo., notice of false aurora, 381. 
Glover, on rete ei and pigmen- 
tum Sarum 
Go a, T-8 f eats aaiiiiil of Lricbhonties 
Godfrey, his grave discover: . 
old, e sy mode of sang , 327. 
Graves of Boe, and Chas. Thomson 
discovered, 389. 
Gray, Sex notice of Flora of North - 
America, 180. 
ray, J. E. ., angular lines on certain 
mollusea, 310. 
on the boring of the Phola- 
des, 312. 
on a British shell, 309 
Greenhow, on mercury in Seape 
313. 
Griffith, — of geological map of 
Trelan 
H. 
galvanism 308... 
Fresh-water fish of Europe, by ‘Agassiz, 
Frozen ground of Siberia, 305. 
G. 
Galactin, Dr. Thomson on, 303. 
Gale, Dr. L. D., on _— fish in red sand- 
stone of New Jers 
Galvanometers, pt ar, "9. 
mboge, resin of, 
Gases in the blood, experiments on by 
M. Magnus, 1 
compounds formed by the ele- 
os of water 
Gases condensed by Dr. Torrey, 374. 
Gaylord, Mr. Eo is = on the me- 
_ teori of Nov. 1838, 370 
“uae, tr on, 189. 
— s ee remarkable phenome- 
Handyiide, Dr., on Sternoptixinee, 312. 
Hancock, J., Falco Islandicus, 310. 
Hare, Dr. Robt., on a new ether and 
gaseous compounds formed with the 
elements of water, 
calcium obtained by him, 391. 
ne eRe - platina in mass, 328. 
refuta augham’s 
charge, 331. 
r. Snow, meteorological obser- 
vations pin at Plym 
yes, Sai 2 ,on di pial currents,191. 
the geology and t topogra- 
phy of western New , 86. 
Helix, double, for inducing magnetism, 
261. 
