| 
q 
' Mastodon B28 notice 
, os) ee All 
Moquin-Tendon 8 Fg egeanae Chenopo- 
Latitudes i. wit oo the United M Snes eatiae’ 
n Bom oo iy 402. 
Len 1 scriptions of fossil shel 18,92. gah * Miss M. H., on the Hessian fly, 
Lea, ese nt of the oolitic formation Mound, great, in Adams co. Miss., 376. 
new species of Colimacea, 98, Musce volitantes , cause of, 323. 
on Patella amena N. 
Lea, M. C., analyses of anthracite coal, F * 
37 a Natural Hist., Bost. Jour. of, 196. 
southern ae ae of Penn. 370. Society, of, 386. 
Lev el "of the Dea | Nebula, meg ations on, 37. 
Liebig o pees oti of neces: 177. Necrology, 2 , 407. 
Limber, J., fossil remains in N. C., 405. Nelumbium Seated 
Linnzus, herbarium of, . ew , geological no rt of, 73. 
Littrow, death Nocliens orctae soso: society ‘of, 212, 
ocke - Nate chearvatiGhs of magnetic!) 4 
dip, 14 N 
umbers, ‘interesting properties of, 112. 
netic intensity, 56. : a: ; 
ao. 5 aet of uoveeed, se ei in the Uni- 
mesa Ma ao Obsery pa f erecti ng near Glasgow, 344. 
F 4 gow, 
Looms.  Shasttaiibila of magnetic dip, 0 be built in Philad., 375, 
Magnetic agg et 378.||Ocean, dopth 
836, 34. no Wetligical aaa 6. Kc gi 
mste meteors 0 “aly er 
Lowell inauiateg alvanic phate 48. Oolitie fo Saueant iw kasda, 
ganic chemistry by linkin, noticed, 
177. 
Magnetic a Bs me Ps Paton: Ah Ornithology, notices in, 19. 
y U.8 Math} 56, 378. Oxalic ether and a compound of, 
bservations, system of, 48,335. a5. 
aber instruments, 104. P. 
seven aers Parasite of eggs of the canker worm, 211. 
Masur fs P., obser invent Fins 97,||Parker, Capt., on volcanoes of Hawaii, 
uary notice of, 407. i 
Parker, Peter, on voleanic ashes, J 
Masonite, a new ated 
198. 
=e Pasithe three gaat of, _deseri bed, 92. 
system OF 377. 
onde rene of, in a siphon ba- Payen om, wobdy tiene of plants; 196. 
Sistecrie i brows analysis of, 369. Perk 2 G. R., on properties of numbers 
Frat 201, - 7 Obia. S48. 
mene of former times, 349. 8, roosts of, in Ohio, 
Metoorite of Cold. Bokkeveld, 199. Plt sia me 2 ag 
Meteors of August, 51, Pleurotoma, new sp »€ 
Meteorological observations, reduction P pom J. T., horticultural experi- 
of, 311. : 
obs ee on insects, 146. 
sig Yat a Pneumatic pereer note on, 144, 
2 aah Poisson, death . 2 ve pee a 
Potassium, for o ing, 
Meteorology ’ Forbes’ i on; 318. - Powell’s report rt we radiant aes 313. 
journal for 1840, at Mari- Paved = A. Phil, Soc., 27, 374. 
ost. Nat. Hist. ‘Boc., 386. 
a, 345. 
Michigan, geological survey 0 of, 136. 
Mitchell, Wm., remarks on the tails of; R. 
canoes » 59. 
Mitra, three a of, described, 101. ws ni ead a C. 8., writings of, 
Mohs, eath o f, 220. id 
Mollusea of Middlebury, Vt., 266. Rain, excessive falls of, 326. 
onkey, howling, notice of, 387. Phillips’s researches on, 326. 
Moon, heat of her beams, 315. Rhode Island, survey of, 182. 
