HAR 
Hare, R., gaseous mixtures, analy- 
sis of, xv, 279, 283. 
» gasometers, mode of sus- 
pending, iv, 312.f 
; glass, method of dividing by 
friction, xiii, 7.! 
; neat on the cause of, iv, 142. 
; , capacities for, appara: 
tus for illustrating, xiii, 6.f 
; ; , apparatus for 
showing an increase of, in air 
with relaxed pressure, xiii, 5.f 
, , reply to D. Olmsted, 
on the materiality of, xii, 50, 366 ; 
xiii, 8. 
, liquids, apparatus for trans- 
ferring or decanting, xxvi, 358.f 
, hydrometers, xi, 115. 
——,, hydrostatic blowpipe, xi, 185. 
, laboratory of, xix, 26.f 
, laudanum, xi, 291, 
—-, ‘light, means of producing, ul, 
172. 
——.,, lightning rods, Xlll, 322. 
—=—. litrameter, xi, 133.f 
, meconic acid, mode of ob- 
taining, xil, 293. 
, matter is heavy as demon- 
strated by W. Whewell, reply to, 
xlii, 260. 
, nitrogen, apparatus for ob- 
taining, from the atmosphere, xiv, 
356! ; xxviii, 263.f 
, nitrous oxide, properties of, 
xvi, 298. 
Gare: method of ob- 
taining, en 295, 297.f 
, palm- glass, cold preduced by, 
xill, 4.6 
, olefiant gas, on the analysis 
of, xv, 270. 
, oplum, mode of detecting 
minute quantities of, xu, 290. 
, platina, on the fusion of, xxxiil, 
195; xxxv, 328. 
, pneumatic cistern, xiv, 200f; 
xxxill, 246.f 
, potassium, improved process 
for, Xxxvill, 338. 
, phosphorus, combustion of, 
in nitrous oxide, xxxii, 290.f 
15 
117 
HAR 
Hare, R., prussic acid, apparatus 
for the evolution of, xxix, 244.f 
, sassarubrin, a resin, XXXl, 
285. 
, silicon, mode of obtaining, 
xxi, SO >) xy 28: 
. , apparatus for evolving 
from fluo-silicie acid, xxiv, 24'7.f 
, silver, nitrate of, preparation 
of pure, v, 348. 
, on specific gravities, xi, 121.f 
, storms of the Atlantic coast, 
V, ood. 
6 ,on Redfield’s theory of, 
xlii, 1405 xli, 122. 
‘ , on Doveé’s essay on, 
xliv, 187; xlvini, 220. 
: replies of W. C. Red- 
field to, xlii, 299; xlii, 250!; 
xliv, 384. 
- or tornado in R. Island, 
Aug. 1838, and others, xxxviii, 
73. 
. tornado and water spout, 
causes of, xxxil, 153.f 
, sulphurous acid, reaction of 
the essential oils with, xxxi, 281. 
, Syphons, improved, xxiv, 
317. 
, valve cock, xxiv, 251.f 
, volumescope, description of, 
xv, 275! ; xxvili, 264.f 
: , application of, xv, 278.£ 
, volumeter, xii, 38.f 
, water, apparatus for decom- 
position and recomposition of, 
XXXViil, 336.f 
, Woulfe’s apparatus, a substi- 
tite for, i, 410!; xiii, 1.f 
Harlan, R., Arvicola ferrugineus, 
x, 285. 
, Batracian reptiles, new, with 
observations on the larve of frogs, 
X, Do. 
, bones from near the mouth 
of the Mississippi, xiv, 186. 
, lizards, orbicular, notice of, 
xxxi, 383. 
, mammalia, fossil, from the 
Brunswick canal, Georgia, xliii, 
141.f 
