ERR 
Eremite, identical with monazite, 
J. D. Dana, xlv, 402.f 
Ergot of rye, W. Tully, M. D., 
il, 45. 
, remarks on, xii, 398. 
, on the origin of, M. Field, 
ix, 359. 
Erie canal, tolls on, x, 398. 
Erratic blocks, over the northern 
parts of England, Prof. Phillips, 
xxxi, 360. 
—, ibid, R. I. Murchison, 
Xxxl, 375. 
and glaciers in Switzer- 
land, Agassiz, xli, 59, 190. 
of the North of Ger- 
many, Xxvill, 389. 
, large, in Invernesshire, 
vi, 158. 
and diluvial scratches, 
in the U. States, xli, 1'74. 
in New England, their 
positions attributed to a retiring 
ocean, ix, 28. 
in Rhode Island, C. T. 
Jackson, xl, 184. 
in Maine, C. T. Jack- 
son, xXxxvi, 152. 
in the Connecticut val- 
ley, vi, 85. 
in western New York, 
XXXVI, SON 
in New York, about 
the sources of the Hudson and 
to the southward, xxxill, 304, 
315. 
20. 
on Long Island, xxxvi, 
— —of Labrador feldspar, 
near Pompton, New Jersey, v, 
241, 
—— of Ohio, D. and I. A. 
Lapham, xxii, 300. 
,in the valley of the 
Muskingum, xxix, 11. 
in Illinois, xxxiv, 141. 
in Indiana, J. 7. Plum- 
mer, xliv, 296', 303. 
of gneiss and granite on 
the Coteau des Prairies, G. Catlin, 
XXXVlll, 142. 
82 
ETN 
Erratic blocks of the Canadian lakes 
and valley of the St. Lawrence, 
C. Lyell, xlvi, 314. 
, the origin of, remarks 
on, P. Dobson, x, 217. 
, Murchison’s citation of 
Dobson’s views on, xliii, 200. 
, transported by ice, in 
the polar current, W. C. Redfield, 
Xxxil, 301, 
, on the supposed trans- 
portation of, J. E. DeKay, xiii, 
348. 
, buoyancy: of, at great 
depths, xxviii, 111. 
, gravel, &c., remarks 
on, Sedgwick, xxxiii, 287. 
——,, theory of, Bb. Struder, 
XXXVI, 325. 
, glacial theory of Agassiz, xlil, 
352.f 
, see farther under Drift and 
Scratches. 
Erythronium, supposed new metal, 
xx, 386. 
Esophagotomy, iv, 383. 
Espy, J. P., views on storms, xxxix, 
120): xl 'S2r. 
——, , notice of, by A. 
D. Bache, xxxv, 280. 
, on the causes of the daily 
fluctuations of the barometer, xli, 
42, 
——, meteorological enterprise of, 
sdb POY 
Esquimaux Indians, remarks on, 
xvi, 145. 
Essential oils, reaction of, with sul- 
phurous acid, R. Hare, xxxi, 
281. 
Essex county, (N. Y.) mountains of, 
and the sources of the Hudson, 
W. C. Redfield, xxxiii, 301.f 
Kitching glass with fluor spar, vi, 
354.f 
Etna, ascent of, S. L. Johnson, xxvi, 
1. 
, crater of, xxvi, 7. 
, earthquakes in 1828, ix, 216. 
, observations on, E. de Beau- 
mont, xxxi, 168. 
