- lead, 169. 
- Smi th, J by ae ’ on the de 
‘ti 
« Strong, T demonstra sation of th princi- | W 
40s INDEX. 
Rogers, S., am on the manufacture||Sullivantia, a new botanical genus, 22. 
of Tron, 380 ‘ps Sulphur PL a ots ure of, 71. 
Rossie lead mines, 174. Sunset at t est, 
ot, dry, Sbkbreations % upon, 197. Survey, g cotogical, ‘of Louisiana, 390. 
Russell’s Planetarium, description of, +, 
400. T° 
w: Tellurium, an astronomical machine, 
Salines at a Lake, 228. Boss aur, ndence oF mountain on 
aurians, fossil, 150. ; 
Saxifraga Care en, a new plant, 32, gre Rome and New York, 
sott’s picture ofa Parthian anthers 5 215. compared, 120. ; 
, fresh-water, perparat ion of, for ~” of the year ear 184 
cabinet ets, 391. t 
wt specien of 106, 392. 1 sears — of, ies + 1830 o 
Shooting 5 ae meaprnnmare of tongh, et scott, » destructive, es Mth, 
by, 309. : 
in, ree 201. 2] . 
of Apri 13-20, 184 1, 307, pee wheel it v, 336. 
es of, 
of Ang. 10, 1841, 2 |'T wining, A. C., suggestions on the solar 
de of Dec 7, 1838, <i e = os, 182, 305, 
& ‘asp alleged conversion ia Q ame bi de, 
Silliman, B., remarks on Mi Epotian Vaccinivm Constable a new dian, 42, 
= we ensselaer, J. Laat the 2 pea of 
sed compounds 
s on arsenic, 75. 
of, 212. 
} 
Solar solipe of July 8, ay! 175, 395. Velocities, v irtual, principle of 
< 
+ 
Lo pt W.. 
¥ 
as. 
shooting, determination of longi-|| 
399, t 
Walker, C _Y.oprote tof, 
s. 
tude by, 
in Jun 
of ‘April 73-90; Pat 397, 
wi a 10, 1241, 20 
c. 7 ri 
ma Hare’s reply, 260. 
irlwi ‘of storms, 299. 
sean ‘Sir David, death of, 215. 
; Spontaneous : combustion in, 
S ey 
Petes ster oh ote to Mr. iad 
eld’s reply, 299. 
eat of virtual veloci 
differential cr iat ied 
Mr. _ Walk 
2 ow, 
| _ [Seeder » Sr os pV: REECE: 
TR at“ ote 
sullivant, Wm. 3., acrount of three un-|/Zodiacal light, t, 395. 
escribec plan caine Ohio, 49, cree rng fangs, 29 
nella a of ni vinwtle crasue; slementary composition A 
60x64. > 
Vessels peopeins of, bY paddleawheel p 
Paieored, 526: 
383. 
6 of omg meteors of © 
4 
4 
ee a See ee ee ee ee ce 
