F 
410 
Elaterite, 215. 
Electricity from ste m, 382. 
ectro- “magnetic pauealheo ati 104. 
of 
— laws of, 339. pas 
sete pee 
mhalmin proces for, 1 
pee eher s Genera Wi scacent noticed, 
Bane me lates copied b oe 157. 
Warene foesi il shells fro m Al oe 
Erman o on the ors of Avgist ix*. 
Espy’s theory oF stars 
Eithe 
r, peter , 50, 32 
ropean herbaria, a of, 1 
Raplosing Expedition, aacovaties of, 394. 
a 
Fishes, removal of, 405 
s, power of, in motion, 32 
Forbes’s report on ausonebatens hs 31 
— rey on a great m 
, 376. 
Fossil caoutchoue 210. 
oria in Boas nd, 174. 
mains in North Carolina, 405. 
shells from Abhi, 
G. 
Galle’s three gee 40, 207. 
sar casting, 15 
go one ne 8 es of the Lowell In- 
stitute, 48. 
Gannal 3 process so Peters a 194. 
Gayl dW val of fishes, 405 
tornadoes, 399. 
Geological report of Indian, noticed ,133. 
Michigan, 1: 
New York, 73. 
io, 1 
Glass, —— ion of, 324, 
r optical ipeaticinibes 207, 
reek in i , 216. 
Hs, on the Daguerreotype,137. 
cue Asa, account of botanical works, 
165, 391 
C. 8. Rafinesque, 221. 
s of European herbaria, 3 
Guillemin Es tea plant in Braz 
ypsum, mode of its fertilizing nee, 180. 
Hi. 
Hail, shower of, 346. 
Halo around the sun, 25. 
? 
por, 44. 
deflagrating apparatus, 303. 
es of ikalifiable met- 
pean: 27. 
Hawaii, voleanaas 
Hays, Dr., on inability s koe col- 
ors, 54, 
INDEX. *..- = 
+ i. = 
Bat” 
Heat, radiant, Prof. Poi 
the moon’s ray 3 a 
f Europe, ele ” 
rick, E.C., meteoric ob ions 203, 
a ite of Gc comet verna- 
ta, i: © ‘ ae e* Pa 
tar-showers er ti i 
349. aa oy a A 
sétice 0 
Hildreth 8. cae etco be | journal 
for 1840, 
ooker, W. 5 —— BorealisAmerican, 
wed 7 
cones cs Plantarum iced, 391. 
Journ cee otany, 
Horner, W. E., notice of 2 Bip. be: of 
todon, 56. 
on dental system of masto- 
18. don, 377. : ‘ 
und in Adams co.||Horsefield’s Plante Javanice noticed, 
Horticultural exporiments, 197. 
Lubbard, O. P., notice of geological re- 
_— 73, ross 
mic ac 
Hydvodalphustie aiid reagent of, 123. 
I 
Ice on bottoms vd rivers _ 407. 
India, culture of silk and cotton in, 39. 
Indiar L, —— a of, 133. 
Infusoria, foul, | and, 174. 
Insects, African, 38 
ervations on, 146. 
Intensity, ‘inagnete observations on, 
56. 
31, 
Todine as a redgent for hydrosulphuric 
ope, 334. 
Iron aoe hill in eaten Island, 185. 
e and meteor! 
Jackson, C. T., survey of Rhode Island, 
82. 
Jacobi on electro-magnetic machines, 
Johnston, J., new variety of beryl, 401. 
Jones’ s Outline of the animal kingdom, 
noticed, 196. 
50, 369. 
are, a on cecagsas in atmospheric va-/| Kell 
? 
ecies of, 2 
Really, E. a new specs of of ee. 
account of a solar halo, 
peed eS P., meget ornitholo ys 
n western fishes, Ei 
Klaproth on rey invention © of the ma 
ner’s co 
Koch, A. "epllections of remains of mas- 
todons, 
Ku 
nze on Caricography, noticed, 174- 
