INDEX, 
J ~ By _ <eaucraca in the Pacific Isl-| 
En  Sapphirin 133. 
table wt atomic atlas. ix, 2 
and atomic ikea’ in 
, 407. 
some miner ix, 2 
on danburite, ix, 2 
degradation of rocks of N. S. Wales, 
— formation of valleys, ix, 289, 
n the genus Asireea, X, 205. 
ee the Ozarkite pe ‘she on ard, i 
historical accou 
crete all, 7,% 
some muah investigated by Her ’ 
mann i ix, 408. 
n the mica family, x, 114, 3 
o ue genus S Nossiantc x, 122. 
aoawephier with pyroxene,x, 119. 
lsomerphism of staurotide with andalu- 
site and to , i 
tion 
VOLS. 
430. 
t_of ‘the ‘sruptions of) 
paz, x 
= logy between alternation of gnees: r 
LE crea, 
Day. “Jeremiah, on the reac f the a 
perp | mati; x, 
pede ea, Molyneux, on, vi, 146, 
level of, vi, Poi viii, 331. 
iti under Lieut. kau vi, 
yses™ ‘of waters: of, Marchand, viii, 
R., Florigraphice Brittanica, x, 304. 
arancea 
rubs, i, 450 
eaths, <a Obit 
talline form of spodumene and ‘its De ade pee ees noticed, be 449, 
Declivity of talus slopes, vi, 133. ae 
composition mt soli ‘solution of min- oe 
_, erals, rocks, & y _— vy, 
onced stanrotide, x, 121, 41 . 
on n Ortho ona plumifera of Baird x 123. 
: noal of Mineralogy, by, noticed, vi, 
E 302, 
geoldgicsl report of the U. S. Exploring 
E Expl: by, novice, viii, ig 
on zoophytes of U. ne Mi 3 
Esprit, ye noticed, i, 149, 173, 
f ce ix, 294. 
a hird edition of System ‘of Mineralogy, 
be notice, 7) 133) 
Dana on force of gun-cotton, iii, 
108. 
n Lead Diseases, icsueed, vi, 299. 
~Batibysite e, 286. 
Dumell, J. 
456, 3 
a AS 5 3 anni of mica from Union- 
ville, Pa, x, 115. : vi 
aoa » On ‘the Falkland islands, ii, 
ause of al of marine formations 
1 en certain pence iii, 120, - 
| e ar rf falling on vessels in the Atlantic, 
vonlaging obseryations on S, America, 
by, gmc iii, 146. 
sanguinea, effects of, iv, 446. 
Dasbeny, notice of phosphorite rock of Spain, 
ee ‘active and extinct volcanoes, no- 
ced, v, 303, 446. 
“apg artificial 
"oy 
, Memoir by, on tidal cay 
i, 305, 
meridian, viii, 394. 
ual of } 
"akg os 
theese 
Indian mounds 
Institution, iv, 
production of min. — 
etism, by, noticed, 
Deville, cry tall 
i and Indian sculp- 
mposit ion oe album , &e., ew pro- 
la 4 on ae cause of the aurora 
borealis, ix, 459. : 
Dela Rue, W., on the Navicula Spencerii, 
ix, 23. 
n cochineal, vy, 414, 
ebase ~ 9g of fusion on density of rocks. 
vi, 133, 
on the 
position of some rocks, x, 
Dilessert, Ico ag s Select Hastnm of, no- 
ticed, ii 
‘Delta of the Minsiavipny. ii, 34, 118,. 
amnity maximum, of pure water, ili, 427. 
ocks, effects of fusion on, vii, 133, 
ine aeal and chemical com- | 
IDenudation i in = ——_ — ix, 48, 
epot of | char nts at Wash- 
ington, i, 
i a 
esains, P. ,on rotation of the plane of po- 
Jarization’ se magnetism, ix, 344. se 
schumps, coppe rin the bodies of animals, — 
seo 5 
muscular contraction, 
volatilization of carb6n, 
ili, 297. 
on aspartic acid fo 
ammonia, x, 262. 
com 
sil footprints, iii, 74, Wis 
ur, on ~ a ene ae Pe: 
