402- 
INDEX. 
Electro-magnetic machine of Mr. T. Da- seo ina et aig of North Carolina, facts 
130. 
venport, appendix to No. 1, and 399. 
— $$ engin 
cis ogical eee 304, 
‘of, 377. 
model Ae 
Eremite, new ‘mineral species, 3 
agente oo the cause of “= ‘odor of 
Eudiometer, barometer gage, 280. 
Excursion to Mt. Katahdin, in Maine, 20. 
gece improved galvanic deflagrator, 
Featherstonhaugh, G. W., geological re- 
port on western territories, 185. 
Fite-bricks, 1 195. 
Fisheries of shad in Delaware river, 134. 
Fishes, fall of, from the atmosphere in 
India, 199. 
Flame of | » curious effect of current 
8. 
of air on, 8 
Formic acid, remarks on, 140. 
Fossil footsteps in sandstone and gray- 
cke, 174. 
—— remains of the slepeant, 377. 
es, new so pee Baie rd 
Fourier, apeniate of the earth and 
I spaces, 1. 
France , tour in, by toe F. Hall, 74, 
g> 315.- 
anic apparatus, Crosse’s, 372. 
Galvanic battery, n Taps 
agrator, 170 F 
induction of neal ‘coils, 308. 
music, production of, 396. 
Galvanism, ne 
e of Sturgeon’s annals of, 213. 
aWenc-s saition apparatus, 282. 
Geology, remarks on Lyell’s, 210 
tice of Mc Clelland’s work on 
Ph 
Geologist! Teport, on the new map Pot Ma- 
ryla 
conse (orto, 185. 
f Maine, 193 
East Indian, 2 
notice of 
American odiien Puck ceds fared 
of Pensy vai, 192. 
of Pi aps 192. 
_—_—_—_—, 
_ part of New York, 230 
ard’s report on 
Gibbon, J. H 
Glass, eae Ae horn hme! 
springs in ¢ : 
e, description of aj}—— ere = 
«per 
region of Virgina, se the 
sonal chservatons of B. Silliman, 98. 
— mine, near Fredericksburg, Virgin: 
ia, 1 e 
Graywa footsteps i me 
reen coccolite, locality of 
G 234. 
Green, Jacob, description of new trilobites, 
67, 
Guad adaloupe fossil human gas de- 
scription of the skull of, 36 
lf stream arks on oe supposed 
eddy current of, 349. 
Gum 
mere’s Astepeny> remarks on, 208. 
Halos in January, 1 
artford, ebegrig mot fhe. Natural His- 
tory ety 0 
are, R., anes of the tornado or water 
Har 
spout, i 
— tornado of New Brunswick, 158. 
————-, remarks on chemical nomen- 
clature, 259. 
—_—_—_—, description of an electrical ma- 
chine, 272, 
tienen Fy battery discharger, 274. 
gk eT cont 
with the short straight spark, 275. 
————,, th ical brush, 277. 
, on e inferences from the 
nomena of the electric spark in a 
; heat bg ; 7 275. 
——, an improv e 
eudiometer, H . 
————., on the ‘galvano-ignition appa- 
ratus, 282. 
————, hew voltaic series, 285. 
fk a deflagrator, 288. 
mbustion of peepee in 
f the Missouri and Wis- eeageck Si eo and 
nitrous ‘oxide gas, 291. 
He al pomatia, 2. 
Henry, Dr. Wm ., obituary notice of, 216. 
Hildreth, o. 2,, "M eteorological Journal 
ept at Marietta, Ohio, 95. 
———-, re logical surve 
ee 190 eee: y 
ang meteor at, 392. 
» footsteps i in sandstone and 
shad fisheries 
the river Delaware 134. 
_geotigionl 
Hitche 
gra 
ubbard, Oliver 
ralogicl. notices, 280 
uman ton of Guadaloupe, skull of 
the, el. 
and mine- 
BS ee bee at West Aarne 87. 
; Visit to, ise 
survey ‘a Caches Shep- eeecess of metallic coils, ex 
periments 
u Infusoria in silex, 400. 
lke to the salt works near — mines of i in Sots 74. 
89. 
adhesion of, in » difeeemae 
- Geek timber, 34. 
Italy, tour in, by Prof. J. Hall, 74. 
