434 
Gas, 1 apg _ i xx, 261. 
cation of, x 
mina tion by, Franitana xviii, 295. 
by i i i, 260. 
fatty acid aoa g toy i, 114. 
Gases 4 vapors, hits C Sicdee: of, Regnault, 
xi 
condensation of solid bodies, Favre, xix, 
law of absorption eA bry 421, 
liquefaction of, xi, 2 
magnetic relation of Piashir,s xiii, 110. 
Ps bag new planet, Psyche, xiv, 129. 
utter, A., on the spots of the sun, Xiv, 
Geinits, H. B., on Graptolites, noticed, xvi, 
on the Quader-formation, xiv, 42 
Mi on Fossil Flora, &c., ok 
xix, 
Genera Plantarum Flore Germanie, etc., 
noticed, xviii, 284. 
Genth, F. "A. Con t 
ribut “gee ¢ “garg ni ee 
xvi, 81, 167, xviii, 410, xis 
allo cation mp i of co- 
balt, xv, 120. 
on a probably new oer ae with iridos- 
on a meteorite fot New Mexico, xvii, 
sap xx, 119, 
Herrerite, xx, 118. 
led with water, xi 
emorial on, xviii, 151. 
Bae. Coral Reefs and Islands, 
lana, xiii, 333. 
tribution of Crustacea, J. D. Dana, 
aa 153, 314, xviii, 314, xi xix, 6, xx, 168, 
eve ey T. Bland, xiv, 
species, chart for illus- 
dating bP ye fen xvi, 153, 314. 
Society of eee: Murchison’s address 
noticed, x 
Survey = New "Vor remarks on im- 
portance o 
Geography, pide xi, 
437, 4 
ag Chart, J. Halt’ s, ee xii, 150, 
po f Keweenaw ence, by SD. Whit. 
xvi, 279, xvii, 199. 
minary, of, W. P. Blake, 
r region, by C. T. Jackson, 
mie x 
ississippi, b Wailes, 
ticed, = A nds ais 
alifornia, xi 
Ist annual, of New! Jersey, noticed, 
xix, 438. 
of Wisconsin, J. G. Percival, xix, 
mals, + ae Ss i, 309, 
Mtg of Canada, Logan's, xi, 116, xv, 
i, 267. 
ical ig? ales i 5 of Con-|| 
ve 
a tosh of Illinois, Report on, no- 
ticed, x 
uvaises Terres, xv, 297. 
Pennsy] vania, x ay 42. : 
of agers ee, J. M. Safford, in 
charge of, xvii, 
observations oe a ‘part of California, J. L. 
oe x1. 
snes ‘aencives ion of, with form of 
ont Pores xv, 126. 
ical Society of France, Extracts from 
eeu etin of, xis 
Not e of Memoirs of, xiii, 271. 
GEOLO 
depth “of a during origin of chalk, 
shia acon rocks, — xvii, 163. 
parallelism of American rocks, xvii, 14. 
Azoic series, xvii, 
igh agp _ of the Lake Superior re- 
n, J. Hall, xvii, 181. 
“of Connecticut River and Virginia 
» siniadene) W. B. Rogers, xix, 
age of Lake Superior Red Sandstone, XV; 
coal and red he, of North Carolina, 
. Olmsted, xix, 4 
coal be Lake of the Woods, Schoolcraft, 
foliation, of metamorphic rocks, E. Forbes, 
of Nova at contain- 
Ji pera x, 446. 
a F lorida par’. ay, i, Taney 390. 
Spain, 1 
Gnathodon bed: beds of Mo bite F ale, xi, 164. 
of Rocky Mountains, J. Hall, x 
of Lake Superior Land District, by Foster 
and Sager noticed, xii, 223, x V, 295, 7 
xvii, 1 
of the Me — 
ises Terres, XV 
of Wiccet te Tow: 
297. ; 
a, and Minnesota, xvi, 4 
of Middle Tennessee, J. M. Safford, xii, : 
of Canada, Logan and Salter on, xiv, 224. 
n the gold-fields of Victoria, or Port 
Pl . XVii, 279. 
stpltoene of the south, E. Desor, xiv, 
eon, G. Gibbs ; 
cri cba age of, 7. Ss. 5. Hunt 
‘ossils, J, Hall, xiX, 434. 
pitch ike of Catrina Manross. ee ee 
chains in 
cas eur 8. 
a erin 
Husa crystal theory, xiii, 423. 
tion of tol xiv, 
Gouery of Belgium, Lyell, xiv, 425. 
Outline of onne by ce noti 
mieroncopie of Ehrenberg, noticed, xix, — 
