HYG 
126 
ICE 
Hydrocyanic acid, preservation of,Hygrometric Register at Western 
xvi, 260. 
, cases in which admin- 
istered, ii, 83; ii, 187. 
, efficacy in asthma, vi, 
366. 
385, 
——,, effects of, on vegeta- 
tion, x, 190. 
, chlorine, an antidote 
for, xvii, 1743 xxi, 157. 
Hydrogen, combustion of, under 
pressure, xxil, 352. 
: , in water, being a new 
application of Hare’s blowpipe, 
v, 347. 
mixed with oxygen, effect of 
breathing, vili, 375. 
, a new carburetied: xxx, 180. 
gas apparatus, vil, 392. 
, self regulating reservoir for, 
R. Hare, xi, 140.f 
, peroxyd of, action of, xvii, 
, effects on a horse, xii, 
and chlorine, iil, 341. 
Hydromagnesite of Hoboken, 
Wachtmeister, analysis of, xviii, 
167. 
Hydrometers, opinion on, R. Hare, 
xi, 115. 
Hydrophobia, remarks on, ii, 359 ; 
iv, 885; v, 177; xvii, 204. 
, Singular case of, xvii, 205. 
, account of cases of deaths by, 
xxill, 143. 
cured, x, 385. 
by means of mercurial 
ointment, xix, 204.. 
by Huaco,an Indian rem- 
edy, W. R. Johnson, xxiv, 279. 
Hydrosilicite, xv, 388. 
Hydrostatic balance, xix, 185. 
press, xix, 185. 
Hydrous anthophyllite of N. York, 
T. Thomson, xix, 359. 
Hydroxanthic acid, vil, 376. 
Hygrometer, Daniell’s, remarks on, 
E. Loomis, xlvii, 19; xlix, 277. 
, portable, A. A. Hayes, xvii, 
351.£ 
Reserve College, E. Loomis, 
Sept.—Nov. 18388, xxxvi, 166 ;— 
1838-1840, xli, 315 ;—1841-44, 
xlix, 271: 
at Hudson, Ohio, com- 
pared with those at Greenwich, 
E. Loomis, xlix, 276. 
observations, mean of, at Mal- 
vern, in Worcestershire, xxxvill, 
102. 
, at Matanzas, A. Mal- 
lory, xxxi, 287. 
, at New Orleans, Bar- 
ton, xxxi, 400. 
, see farther under Meteorol- 
ogy. 
Hygrometry, a method of experi- 
menting in, x, 387. 
Hyperbola, method of describing, 
R. G. Hazard, xxi, 314.f 
Hypersthene of N. York, analysis 
of, L. C. Beck, xlvi, 35. 
in Massachusetts, iv, 55. 
Hyssopus anisatus, iv, 65. 
i. 
Ice, artificial preparation of, xvii, 
145. 
, evaporation of, xvi, 390. 
, formation of, in still water, 
lii, 179. 
——., , at the bottom of rivers, 
H. W. Sheffey, xxxvi, 186. 
——, ——, ibid, JT. Stratton, xl, 
407. 
: , sparks given out dur- 
ing, 3 XXVI, 178. 
—— ina well, xxxvi, 184. 
of the sea, characters of, and 
remarks on, v, 131. 
, Greenland, i, 101. 
of the Alps, J. D. Forbes, 
xlvi, 173 ;—veined structure and 
motion consequence of its vis- 
cous condition, xlvi, 174, 175. — 
Icebergs, remarks on, v, 181. 
, formation of, C. Wilkes, xlvii, 
114. 
—_, J. P. Couthouy, xliii, 154. 
