F EL 
Faraday, M., vaporization, limits to, || 
ody IDI 
Farey, J., on musical intervals, 11, 
Fasciculite, E. Hitchcock, vi, 226. 
Fata Morgana at Gibraltar, xxix, 
215.f 
Fauntleroy, R. H., condition of} 
equilibrium between living and 
dead forces, xlvii, 241.f 
Faust, E. D., on the detection of 
adulterations of various substan-|| 
ces, xix, 70. 
Favosites, see Zootocy, Radiata. 
Feathers, to restore damaged, xxi, 
372. 
Featherstonhaugh, G. W., geologi- 
cal report on part of the country 
west of the Misssissippi, notice of, 
Xxvili, 879; xxxti, 185. 
Febrifuge, new, xxiv, 375. 
Fedia radiata, iv, 57. 
umbilicata, xlii, 50. 
Feed for cattle, xxii, 202. 
, of beets, xxii, 201. 
Fees for admission to various for- 
eign societies, xx, 165. 
Feldspar from Bytown, L.C., analy- 
sis of, Z. Thomson, xxxi, 173. 
titanium, xii, 187. 
, artificial, xxvill, 396. 
, localities of, in Canada,viil,65. 
: , 1n Connecticut, 1, 353 ; 
vi, 2213 vil, 2538. 
, In Delaware, ix, 246. 
, in Massachusetts, 
251, 252; xxxv, 192. 
,in New Hampshire, 
p) 
—_—— 
3 
113; vii, 
i, 
>) 
xvii, 355. 
>) 
, in New Jersey, v, 246. 
—, , in New York, iv, 37, 
AT; xix, 227; xxv, 348. 
—, ,in Pennsylvania, x, 
220; xiv, 13. 
, green, in Massachusetts, vii, 
2514 2o2 SW xcemy 192. 
, iridescent, in Pennsylvania, 
xiv, 13. 
Fellenberg’s, M. de, colony of little 
Robinsons, xii, 165. 
11 
,and serpentine, containing 
85 
FIN 
Fence, thorn, x, 167. 
Fenn, H. NN., on the manufacture of 
glass, xvi, 112.f 
Fermentation, acetic, process for 
hastening, xxii, 195. 
Ferns, on the vascular system of, 
J. W. Bailey, xxxv, 1138.f 
and mosses of the United 
States, synoptical table of, L. 
C. Beck, xv, 287. 
, see Botany. 
Ferro-cyanate (per), of iron, or 
prussian blue, xviil, 332. 
—— ——, see Prussian blue. 
Ferro-cyanate of potash, xviii, 331. 
‘Ferro-cyanic acid, xviii, 330. 
Fetid odor of limestones, cause of, 
L. C. Beck, xlv, 3385. 
Feuchtwanger, L., remarks on ar- 
senic, xix, 339.f 
, on the mode of making vine- 
gar, xxxi, 272.f 
‘Fevers, on remittent and intermit- 
tent, J. McCulloch, xviii, 338. 
‘Fibrine, albumen and caseine, 
Scheerer on the isomerism of an- 
imal, with vegetable, xliii, 402. 
, butyric acid from, xlviii, 186. 
‘Fibrolite, in Delaware, x, 224. 
Ficoidites scabrosus, xxxi, 31.f 
Field, M., on the origin of ergot, 
1x, 399. 
, meteorological registers, xii, 
364; xvi, 288; xvilil, 366; xx, 
261f; xxii, 298; xxiv, 361. 
, profile mountain, in N. H., 
xiv, 64.f 
Figures of crystals, on the drawing 
of, J. D. Dana, xxxiii, 30.f 
\Filicites, generic characters of, vii, 
181. 
‘Filter, Dumont’s, and _ prepared 
charcoal, xxiii, 346.f 
Filtration, xxviii, 150. 
Finch, J., atomic theory, remarks 
on, xiv, 24, 
, chemical equivalents, circu- 
lar scale of, xviii, 196. 
, celtic antiquities of America, 
vii, 149. 
, forts about Boston, viii, 338. 
