CONTENTS. vil 
Page 
sere - rage 8 Iron, discovered near 
: y, Tenn.; by Prof.G. Troost, 351 
of Beiining the Carbon in Native and 
traphites, sai by Prof. R. E. Rocers and Prof. 
Wm. OGERS, - 352 
XL. eon of the Palmozoic Formals of North America, 
with thos 4 
XLI. Note ereaene Halley’s Commie by ie ‘Looks, 370 
XLII. A Determination of the General Law according to which 
Pulses differing in intensity are propagated in Elastic Media, 
with remarks oe the rae ived Tipery of the Mee: of 
Sound; by Ex: W. Bra 372 
Review of a Manual of 1 the Botany of the Northern inited 
es, by Prof. Asa Gray, M.D., 377 
a peculiar kind of lsomorgisem that pliiys an ‘aapoak 
in the Mineral Kingdom ; by Professor ScuErrEr, 381 
— 
oo 
on 
on] 
ci’s Lectures on Living Beings, 390 
|. Correction of Errors found in Several ‘Mathematical Tae 
les ; by A D. Stantey, - - 398 
SCIENTIFIC INTELLIGENCE. 
is On the Decomposition and partial Solution of gape 
ire Water, ane Water charged = Carbonic Acid ; 
n 
by A. Lav — 
ture of Hydrofluoric age by M. Lovyert: No ~ 
i r in Organ = Buletines es, by W. Hr 
T an Dinieesass On the Prodwets 
an 
s 
~ 
Ss 
i) 
= 
ts) 
ap 
eS 
= 
y Mr. Frep 
nt 7% new Chlorine Compound from the 
P n Cochinea REN DE LA Roe: 
He at $y Cry stall Bodies b Sexansonr, 414, 
is of Fluids in Animal Bodies, oh pte , 415.—On Ox- 
TeBic and M. Srrecxar, 417 in 
logy.—On the Structure and Te 
Pouneuits, ‘419.—On different crystals 
20.—Kraurite and Cacoxe 
22.—Falling in of a mountain in 7 
e Lower Sousata: by Prof. Asicn, 423. 
ertain principles bearing upon the Natural 
nadie larl fy the Methodical Distribution 
T<A. Cos 
ee of ei Wilke 
