HAY 
Harlan, R., mouse, new species of, 
XXX1, 385. 
, Oryeterotherium, xii, 392; 
xliv, 69.f 
, Salamandra_ pennsylvanica, 
x, 286. 
, tortoise, freshwater, xxxi,382.f 
, Medical and Physical Re- 
searches of, noticed, xxx, 188. 
, new fossil mammalia of, R. 
Owen on, xliv, 341. 
, ibid, in reply to R. Owen, 
xlv, 208. 
Harris, W. S., utility of lightning 
conductors on ships, xxi, 347. 
, meteorological 
at Plymouth, xiii, 369. 
Harris, T. W., North American 
Sphinges, xxxvi, 282. | 
, Report on Insects injurious to 
vegetation, noticed, xlill, 386. 
Hartz, Europe, notices of, T. G. 
Clemson, xix, 105.£ 
Haskins, R. W., examination of the 
theory of a resisting medium in 
space, xxxill, l. 
, Astronomy of,noticed,xli,389. 
Hassler, F. R., methods and plans 
of, in the survey of the coast of 
the United States, xvi, 225. 
, repeating theodolite, descrip- 
tionof,C. Wilkes,U.S.N.,xvi,252.f 
Hats, manufacture of, x, 193. 
Hawaii, see Sandwich Islands. 
Hawkins’ Saurian remains purchas- 
ed, xxix, 367. 
Hay, siliceous glass from burning, 
xix, 895; xxiv, 174. 
Hayden, C. B., analysis of the Scott 
spring, Va., xliv, 409. 
, on the ice mountain of Hamp- 
shire Co., Va., xlv, 78.£ 
, on the rock-salt and salines 
of the Holston, Va., xliv, 1'73. 
Hayden, H. H., Geological Essays 
of, noticed, ill, 47. 
, on the Bare Hills, near Balti- 
more, xxiv, 349.f 
, notices of the geology of the 
country near Bedford springs, 
Pennsylvania, xix, 97. 
118 
observations! 
HEA 
Haydenite, description of, xlvi, 
379.£ 
, analysis, by B. Silliman, Jr., 
xlvi, 380. 
Hayes, A. A., chlorine, carbon and 
hydrogen, two new compounds 
of, xxi, 141. 
, chromium, combinations of, 
xiv, 136. 
, columbic acid, investigations 
on, xlvi, 106. 
, dewpoint, remarks on, xviii, 
63. 
, hygrometer, portable, xvil, 
351.f 
,meteoric iron, Alabama, xlvill, 
147. 
, microlite and pyrochlore, 
identity of, xliil, 333 xlvi, 158. 
, tin, action of metallic, on the 
muriate of, xxxvili, 408. 
, Tarapaca saline minerals, ni- 
trates, iodates, borates, xxxvill, 
410. 
Hayes, G. E., geology of western 
New York, with remarks on the 
causes of its topographical fea- 
tures, xxxi, 241; xxxv, 86.f 
Hayes, J. L., on the geographical 
distribution and phenomena of 
volcanoes, xlvii, 127. 
——, influence of icebergs upon 
drift, xlv, 316, 326. 
Haymond, R., on remains of Mega- 
therium and Mastodon, xlvi, 294. 
Hazard, R. G., method of describ- 
ing a hyperbola, xxi, 314.f 
Heat, absorption of, Nobili and 
Melloni on, xxiii, 188. 
: , apparatus for illustrat- 
ing, A. D. Bache, xxviii, 320 
, animal, vil, 200. 
; , influence of the nerves 
on, x, 390. 
; , Nobili and Melloni’s 
experiments on insects, &c., XXill, 
185. 
of different animals, x, 382. 
, capacity of gas for, iv, 372. 
, —— of air, apparatus for 
illustrating, R. Hare, xiii, 5, 6.f 
