: em sm, ice a "ld: of, C. Dewey, 
INDEX. 
Fergus, T. H., mica from a: 425, 
ems of the United States, on some 
Fishes, water tubes of, L. Agassiz, 431. 
Fitz, ms telescopes of, 437. 
Footprints, D. Marsh on fossil, 272. 
F Gistis: oe South Alabama, 355. 
F ele Sir John 
Frenent tc. C., Report by, on California, no- 
Fuchs’ s method of analyzing iron ores, obser- 
vations on, Profs. Rogers, 
usion, effects of, on density of rocks, 133. 
oa 
Galena in Algeria, 
— Scere battery, mode of using, C.!-— 
Dewey, 253. 
Pah ——, oxyd of zine in the porous 
cup, fy 
——, purifying liquids by, 260. 
Gelatine, Roekical nature of, T. S. Hunt, 
Geslopical e ss re pons ane = dae plants of 
TO 
differe 
map 5 fiona scones, 49. 
Ee Hale,C. 8 
n, expedition in search of, 
459 
Haldeman, S. S., blast-furnace for smelting 
iron — anthr: acit 
mastochilus i in ant nests, 146. 
ee of South 1 Alabama, = 
on the explosion, causing the fire at 
New fs of 1845, 281. 
‘arvey, sem on fealinetion and preserving 
Algee, 42 
lausmann, on the cause of the irised colors 
vl Lewes 254. 
: hs manufacture of sulphuric acid, 
13, 
Heat, se = eee heat of bodies, C. 
C. " Perso 
— slowly" ‘ranma through clay, J. 
Hime 
es ey on nsity 0 8, 133. 
| pow er of a ot different sub- 
stances, 255. 
turnal radiation — a 418. 
He ebe, aicabete of orbit of, 4 
a J., on the Sameqaian Institution, 
lermannsen, A. N., work by, on Malacozoa, 
noticed, 251; 
wef C., shooting stars of August, 
Geology of a as, F. “serial v1: 
a, E. He s, 123, 
Malay x Pane a 129, 
"aie work on the progress of, by d@’ Archiac, 
——,, Christy’s letters on, noticed, 298. 
— of South Alabama, C. S. Hale, 354. 
— of Shay Mexico, 
——, Mus of Economic, England, 446. 
Gerhardt, C. nt atoms, 176. 
——, on salts, 
Gibbs, J. W. » English prefixes derived from 
the’ Greek. =i 
, expe: n of, to South America, to 
observe Venus with reference to the solar 
on, 259. 
Gold, Wieataon He e T.. Jackson, 187. 
i “ei 
— in Russia, 27: 
Gould, A. A., Principles of Zoology by, no- 
ticed 151. 
——, on some shells of ae collect- 
ed by J. H. Lins 
B. a orbits of te ‘asteroi ids, 28, 
Grains produced in the United States in 
—,, 1848, 279. 
Hopkins, Ei, isthmus of Panama, 123, 
Howardite, a new mineral, 25 
~—— river, time of opening el ‘closing, 
Hunt, JT. a, on chemical classification, and 
on the atomic volume of sul- 
Ber’ and nitrogen 170. 
chemical nature of gelatine, 259. 
re, 
rte oy temperature of sea near, 143, 
Idocrase in Sanford, Maine 
SS jaws and teeth "of, G. A, Man- 
‘elan Archipela ago, 1 
Jodine, new —— at St. Victor, 258. 
Trised colors of m 
Iron, blast r tacts ree iosking: with anthra- 
cite. 
Tron ores, on Fuchs’s method of ahiysiné, 
ers, 
Isomorphism, ‘Scherer on, 57, 189. 
J. 
vinnie ckson, C. T., ooo of ‘he 187. 
Jord gp Mol eur on, 146. 
t. Lynch on, 441. 
K. 
1847, % 
Gra ay, mm Genera oa of, Sew 300. 
Grove’ s battery, w used with 
the zine 
— xyd of zine in the porous cup, 
254, 
= see aterm of, in mining, 256. 
Gutta 
N. Kent 
Sm in el Mexico. 33a, 339, 390. 
‘cm 
Haidinger’s Vienna Transactions, noticed, 
—, on dolomisation, 268. 
rcha, 246. 
Ket, 2. oe on Fossils, noticed, 
Koninck, L. de, work b; 
454, 
Kompeoliee: #8. forns, 80. 
le 
Lake Superior, meteorol 
of, and causes 
of change of level, W. y 1. 
. Mather 
