1 EV; 
Leghorn hats, on the cultivation of 
the material for, xxil, 368. 
Leguminous fruits, flour or meal 
from, vii, 189. 
Leibnitz, G. W. von, notice of life 
of, xlix, 187. 
——., Protogeea of, or his views on, 
the formation of the earth, xx, 56 ; | 
be-edby MAE 
Leipsic fair, notice of, iv, 392 ; vii, 
381; xxill, 182. 
Leitner, E. T., on double flowers, 
xxlil, 45. 
Lens, crystalline, of animals, how 
preserved for future examination, 
xxvl, 216. 
Lenz on the saltness of the ocean at 
different depths, xxiii, 10. 
Lepidanche, new genus, G. Engel- 
mann, xlii, 343. 
appressa, xlv, 77. 
de 
Lepidolite, analysis of, Gmelin, ix, 
329. 
, 1n Maine, x, 16; xviii, 293. 
, in Massachusetts, 1, 350. 
Lester, W., geological map of New, 
London and Windham Cos., Ct.,| 
xxiii, 404. 
Level of the Dead Sea, barometri-, 
cal observations made to deter- 
mine, xl, 214. 
——, difference of, between the 
Black and Caspian Seas, xl, 320. 
, change of,during earthquakes 
in Calabria, Chile, Scandinavia, 
Finland, &c., G. Bischof, xxxvi, 
273. 
, various examples of, 
ioupht W. Mather, xlix, 294. 
—, , in Chile, xxviii, 236. 
—, — ahd pisewherenn 
S. America, C. Darwin,xxxiii, 100. 
—, , at Ceylon, vi, 194. 
= , In Great Britain,xxxiil, 
OF |; RRRIVET 
: , about the North Amer- 
ican Lakes, C. Lyell, xlvi, 314. 
dicated by ancient beaches, iii,257. 
18 
141 
compositarum, xliii, 844; xlv,' 
Libraries of the world, 
: , about Lake Huron, in-| 
LIsB 
Level, change. of, about Lake Onta- 
fig, ID, Gh: Hayes, xxxv, 104. 
, , in Maine, C. T. Jack- 
son, scent. 154. 
. , in New York, about 
Canaan mountain, v, 15. 
—-, d , in the Mohawk 
valley, xxxvi, 31. 
; , in Palestine, J. D. 
Sherwood, xiviii, 15. 
» ——, on the Scandinavian 
coast, L. Beamish, xlvii, 184. 
: , in Sweden, C. Lyell, 
Xxvill, 72, 387. 
——, , 1n United States and 
California,’ during the tertiary 
epoch, 7. A. Conrad, xxxv, 245. 
, causes of changes of, G. 
Bischof, xxxvi, 278. 
: ibid, W. W. Mather, 
xlix, 284. 
: ibid, H. D. and W. B. 
Rogers, xliv, 360. 
Lewis, J. A., Kenawha gas, xlix, 
209. 
Lewis, W. J., involution of poly- 
nomials, xlii, 239. 
Lexicography, contributions to Eng- 
lish PoE Wis Gibts-wxxxiite a2 
xl, 28, $2; xlv, 96: 
Leyden jar, effect of freezing wa- 
ter in, vill, 374. 
—, on the discharge of, 
XXXVIIL, 6. 
Lezch, J. U., volatile acids of but- 
ter, xlix, 202. 
Lias of the West, S. P. Hildreth, 
xxx, 395. 
Liatris flexuosa, xxxvii, 388.! 
fruticosa, v, 299. 
oppositifolia, v, 299. 
scariosa, Iv, 67. 
squarrosa, iv, 66. 
Library, Royal, at Paris, size of, 
Vill, 376. 
of Yale College, donation to, 
from England, xxvii, 184. 
compara- 
tive table of, xxxi, 178. 
,circulating, in England, v,175. 
—— of St. Petersburg, vy, 177. 
