at a 
invek'v 
ora es billoeks of Bolax glebaria 
at, iil 
iii, 138, 283, 451. 
Y, M. scene of acl heat and elec- 
trieit y, i, 146 
on nav magnetic ns, and on the 
Magnetic condition of all mat ter, i, 421, 
views on des Ret ether, ii, 118, 
i cheat and sserinen etic i ad ii, 2 
i views on atom ray vibr rations, ii, 
sper raced 101. 
researches on the et conditions| 
of flame mee gases, v, 
.on the chsenied of a z light by elec: 
tro-magnet 
crystalline platy of bgp &c., and 
: veserimental oe on adieu 
Fatty” substances formed from: nitrogenous 
_ _ bodies, v, 266. 
; Featnrox of the earth, origin of, J. D. Dana, 
Felder x, 253, 
lies Be: 
re the orbicular diorite of Corsica, vii, 
Fendlr, Pi , dried plants. from Santa Fe and 
254. 
by steam to obtain the alka- 
exico, 
Broce oaliectioas in New Mexico, 
vii, 45% 
Fergus, T. H., ong from hornblende, vi, 425. 
Ferns, fouail; e Fossi 
of the U iis ed States, Kunze, vi. 
Ferrideyanid of potassium, ‘preparation nate iv, 
a and jini of soils, F. 
Hine pe a Bs into fatty ‘substance, v, 
Fibolie, gents of, wie kyanite, at 338. 
1d, M. iors oe min- 
2 fot 
copper from Chili x, 2 
len Sen in, i, 0 
Fialand, 3 Meteor 
Famek. ee of ancient leve] in the sea in,|} 
i, 273. 
haract teristics from, i, 440. 
he lobe, evidence of subsidence, 
mation of iron and steel) 
rer, ii, 266. 
oe and 
wpe v, 301. 
a ‘iba Petropolitanum, 
si a gee Brauneu me- 
aecsthstinn © of prs x, 192. 
ndiana, i, 367. 
fiom, deviation of, from a perpen- 
rt the relation of ine dij viii; LE 
Fi 
on of mercury, by virtue of the ; 
|Flam 
n Australia, J. D. Dana, v, 433.)| 
OLS. = 
aot 
Fisher, R. 8., Book of the Worl hg ae. 
isher, W,, 
analyses of Wah is te ix, 83. 
| Fisheries, resources .< Tris 
437. 
Fite, Hit ieles copes hee 
ame, constitution of, Vv, 163 165. 
and gases, diamagnetic condition of, WV, 204. 
lames, prismatic, pr sis of, v, 160. 
Flood in ndus, 
in hig Macquarie "australia, vil, 130. 
F Tora of bear v, 
of Mai e, by ie: v, 453. 
Bosuch he 453. a 
see Bota NS 
Florida, geolony and fossils of, J’. A. Conrad, 
ii, 
recent shells of, ii, he 393 
HE 
&, 
Fivide, elastic, expansion of, ix, 334. 
Fluorine, Louyet on n, iti, 260. 
estimation of, Wohier, i, 
in minerals, source of, * 4 ‘Dana, ii, 88. 
G. Wilson, ii, 114. ; 
in Paps plants and animals, G. Wilson 
ii, 
in an racite, eager aeffer, iti, 422. 
in rh of Fi orth, & 
in milk and blood, W. ilson, x, 4 
Fluor oper i ne, source 
Dana, ii 
solubility ‘of, G. Wilson, ii, 114, x, 414. 
annel coal, H. D. Hager he 
Fluo- silicanilid e, formation of, Se 
Foldi ing of strata, iti, 97, “ 
Fe moir of, ix 
Vocceashs, gry gbeervation 0, iii, 79, 
Hitchcock,i iv, ; 46. 
a 
J. Deane reclaination re 
tive to a species ne iv, 448. 
i eee Share » Vi, 272. 
Pe Ivania, 268, se 
one 5 eR a iat 
pase England, 
142. 
et a quadruped, v 
on “osama - oe ix, 124, 
cent, of alligators, 
Footprints and inion sculpture, £ th Davis, 
Fo: oramira, D Orbigny’s werk on, Pes 
iv, oe 
pry wre ei AG enna 
s, Vol. X, No. 30.—Nov, 
1850. 
