LEA 
Lead, native cupreous sulphato- 
carbonate of, iv, 29. 
, —— diarseniate of, T. Thom- 
SON, XXXV, 297. 
; molybdate of, in Mas- 
sachusetts, vi, 201. 
——, in 
New York, 
viil, 249. 
: red and yellow oxide of, 
in Wythe Co., Va., xiii, 169.. 
phosphate of, in Mas- 
sachusetts, vi, 201. 
: ——, in North Caro- 
lina, xli, 183, 348. 
sulphato-carbonate of, 
z 
iv, 29. 
; sulphato-tri-carbonate 
of, iv, 29. 
; sulphuret of, (Galena) 
crystals, distorted, from Rossie, 
xlvii, 417. 
4 ——, argentiferous ore 
of Lane’s mine, analysis of silver 
from, W. W. Mather, xxvii, 256. 
>— ; in Canada, viii, 
4G: 
i 316; ; iil, 173; 
256 5 xxxill, 162. 
—, -— ,in Maine, xxx, 
332. 
———_ = 
, in Connecticut, 
vy, 44f; xxvii, 
, 10 Massachusetts, 
i, 115, 137, 3438, 437; vi, 201, 
204 ; viii, 57; xii, 251; xxii, 56. 
; 5 ia Missouni and 
the West, see above, under Lead 
Mines. 
; , in New Hamp- 
shire, vi, 245; Pui 2353; XXXIV, 
114. 
— , In New York, v, 
21, 30; vii, 254; vii, 260; xxv, 
350; xl,763; xlvil, 417. 
, in Rhode Island, 
>] 
vill, 231. 
» —— —. in Tennessee, 1, 
63. 
—, ,in Virginia, 1, 
63; xliii, 169. 
—— pipes, strength of, xii, 189 
xiv, 369. 
140 
Link © 
Lead pipes used as an aqueduct, 
hydrogen in, N. Walkly, xxxiv, 
393. 
——, Ewbank’s tinned, no- 
tice of, xxvi, 210. 
——., protected by tin, safety 
of, xxvi, 400. 
and tin, combustion of the al- 
loy of, xxi, 375. 
pots, manufacture 
Messrs. Dixon, xxi, 196. 
Leafing of plants, xliv, 419. 
Leather, fabrication of Russian, iv, 
193. 
Leavenworth, M. C., four new 
plants from Alabama, vii, 61. 
, list of the rarer plants of Ala- 
bama, ix, 74. 
, description of the Tullia pyc- 
nanthemoides, xx, 343.f 
, on some new species of plants, 
xlix, 127. 
Lebanon, Mt., 
32. 
Lederer’s cabinet of minerals for 
sale, xxix, 392. 
Ledererite, supposed new mineral, 
C. T. Jackson and A. A. Hayes, 
xxv, 78f, 80. 
, description of, xlvil, 339, 
350. 
Lederite, a supposed new mineral 
species, C. U. Shepard, xxxix, 
357! ; xlviii, 1'76. 
of Shepard 
Sphene, xlvi, 36.f 
identical with Sphene, B. Sz- 
liman, Jr., xviii, 180. 
, measurements of, by J. D. 
Dana, x\viii, 180. 
Lee, C. A., sketch of the geology 
and mineralogy of Salisbury, Ct., 
Vill, 252. 
, notice of the Ancram lead 
mine, viil, 247. 
Leech, account of, x, 389; xxiv, 
160. 
Leeches, mortality of,during storms, 
xvii, 186. 
of, by 
coal mine of, xxviil, 
identical with 
;|Leedom, E. C., an astronomical ma- 
chine, xlii, 338.f 
