462 
Mountains, ee trend of, 333. 
Ural, geology of, 1 
Murchison, R "3 
—— ,, Geology of Russia by, noticed, 153. 
Natchez, hum: , 267, 
Necker on eae in the strike of strata, 
Nemalite, analysis of, Connell, 265. 
Neptune, new planet, 128, 441 
——, Prof. Pei 
te 
eirce’ 8 discussion of, 441 
faury’s and S, 
—. . Walker's 
I . 
New York, geological reports, reviewed, 57, 
Nickel, hydrate of, native, B. Silliman, Jr., 
Nile, cake on oe river, C. T. Beke, 447. 
Niobium, H. Rose on, 357. 
Ni a a phosphoras, compounds of, 105. 
n organic bodies, determination of, 
not a constituent of picrotoxine, 424. 
, influence of ie of, on vegeta- 
Nitrific cation, Dumas, 2 
Nomenclator Postagiets st Agassiz, and laws 
of nomenclature, A. Gray, 302. 
North wae Hy 2" of reachi ing proposed, 141. 
—, -, appointment to a professorship in 
Yale, 451. ‘ é 
Nutritive power of green and dry fodder, 
Boussingault, 106. 
O. 
on Siforian Classification,| 
nalysis of the oat, 145, 222,||p 
INDEX. 
sda Mies) of salen sin, 383, 
almost encircled by a volcanic 
iid : 
7., revolution of a magnet without 
Pag ” 
by J. 
e, C.G 
vs sible support, 29 
be logy of "New York, work on, 
Peleoiherial bone, in the West, H. A. Prout, 
Baleeozoi ic pe extent of D. D. Owen, 365, 
per, explosiv 
Parallax ofa fixed star in Ursa Major, 444. 
Paris of Sciences, vacancies in, 
filled, 451. 
Pastures, fairy rings 
ayen, on cotfee and peta e, 106, 423 
Peirce, Prof., remarks on ratio? s : plan- 
lizot, z., new saccharimetric process, 109. 
Pelopium, H. Rose on, 357. 
ie ival, J. G., on trap dikes of Connecticut, 
Biri System, Me 
— — , relation 365, 
Pepsin: lake aac height of, above the 
sea, 
Peter, _ ‘Memoir by, on Urinary Calculi, 
bone: 
e, a We making magnet 
Phosp hate of | lien i in organic se: 261. 
hosphors and nitrogen, compounds of, C. 
ard, 
——, action of perchlorid on organic sub- 
stances, A. Cahours, ey 
a fusion n of, E. Desains, 423. : 
Photographic self- ‘pegiatering meteorological 
and mai ia arisaingeig * 428. 
Pickering, J., eulogy on, by Judge White, 
Oat, J. P. Norton é on 145, 222, 318. 
et of T. M ticelli, 143. 
1. Vine incent, 452. Planorbis 
pees a Washin ton, observations at, Plants, in nines of light on 
M. F. Maury, 
a eM. Gillis. 
Ocean, or origin in of depressions of a, 178, 181, 
—, Pac ific, why surrounded by hig [Pte 
~ mountains ye the Atlantic, and i a vol- 
canic band, 
Oils, acaaig a the Crucifere, 425, 
utchoue from, 426. 
- r 
Oolite. of Roky Mountai ins, 197. 
Organic substance 
——, determ ination of Sogn in, 424. 
Ornithichnites, se 
| Pleo 
Pon aang: on elliptic, 
refl 
action of perchlorid of ‘Pataet 
noticed, 
Picrotoxine contains no nitrogen, 424. 
Pinite, 266. 
Pla paanet de wih tor s, 128, 44 
. Peirce’s ee on, 
Planetary Teac a bl masses near the sun, 
multivolvis, W. Case, 101. 
ap growth of, 
441. 
444. 
—, hy brid, S. G. Morton, 209. 
a. intingiats of snncent of nitrogen on, 
a e glass r pain in England, 293. 
- cephalus, 276. 
ge Dale, 262. 
, by reflexion, Powell, 264. 
Pota tassium, voltaic battery wi 
Potato disease, discussion on, 
Association, 136. i 
age aly , results of the earth’s contraction, 
my, 
siosaur ct 
428. 
- the British 
eo 180 
weet n volcanic action, 180. 
Proceliane Bovicoditis G. N. Lawrence, 436. 
ossil lmotheral bone, 248. 
0. 
— of Soeer 
D. D.,re ag w of New York Geological |, 
ag ey: 7 164. 
—, review ft Geo ology of nea 38 155. 
——, limits of Paleozo. 
: ge the vavtabince structure of the 
skull, 12: 
ai lesisiea 
Oxygen, alasien c of, in Phas litharge, 255. 
Prow 4 
Eyeceuraciioe = o Bouvé, 4 
s, 436. 
Prenciion: 259, 29 
Railways in Italy, 142. 
wer nd snow, at St. Louis, @. Engelmann, 
