Ge, Nieohippun acid: ion of cyanh hydetesacid upon a e fis Ft 2. 
sig troprussids, a new class of Salts, by Dr w PLayFAtR, 1 —_ 
property of Carbonic Oxyd, by F Aérometric 
le by Prof Porrer, 114.—Preservation of the Proto-Sulphate Jron _ 
from Oxydation, by uspinit: Freezing point of Water Pre ‘ 
by | 5 W. Tuomson: Test re Presence of Chloroform in the Human 
ieee or t 
by Dr. Snow, 115¢-On the behavior - Cuminic acid in the ores :. 
patil by Dr. ph eae Action of Essential Oil of Oriter Almond 
Animal. System, b y C.G.M iidmentace, 11 
Mineralogypand Geology. , hoe of Progress, of the Geclogcl Survey of Can- 
ada, b wer Lasae Esq., 116.—On the Gold Mines of Dar Rs Eee aes to 
New Grenada, and Canalization of the Isthmus #f Darien JULLEN, 
be 118.—On the Glacial Neighborhood of ‘Dhnbaign, wae 
Be some Remarks on the Gene ral Snbject, r. R. CuamsBers, 119.— 
dorite from the Isla nd of Maui ged leds ‘Group, by J.D. Dana: Gibbsite, “21. 
3 “Zoology..On the order of Succamean f Parts in Fo raminifera, by L. F. bE 
i Es, | n L, Acassiz, 122.— 
Observations on the Blind Fish of the Mammoth Cave, by L. Acassiz, de _ 
On the Carcinological Collections of the United States, by Prof. Lew 
gets 128. oe rvations on the Fishes bad Nova Scotia and Labrador, wid H. 
ks om rie new Planet Purtheriopes ‘The new Planet Chia: Raat new 
: Phanet. a es Comet: Me s Co met Shooting ad on August 10, 
_ 1850, 130.—Meteoric Observations in Nove and Deéem 1 
‘ _ Been in “one Daylight: Meteor of September 30, "1850, 131 sen eriodical Meteors: 
Of Beg t, 1848 and 1849, a 133. 
ia 
scella: Se tliat —Translation of part te r from Mr. E. P. de 
oaaan. one of the officers of a Beienthe Espedition. sant out by the Empe- 
for of Russia to the Northern part of Finoland and Lapland, to Oscar M. Lie- 
_ ber, 136.—Notice ring or fountain in. Bots OOe BL nto 
' lakers on 
Browns, Fsq., 139.--Relative level of the Red Sewa 
Fall of Dust at esa aged near Detmold: Tenacity of Metals, 143.— 
-—Dr. William Gambel, 143. 
Bibliography.—A iy ipa on ha Studies of the Seventy of Cambridge, by 
Apam Sevewiex, M.A., FRS., 144.—Elements of Natural Philosophy, by 
: Zt va ee ARTLETT é , LL. ~ r ial 
‘Inthe United States, see hie AS ate 146.—New Elements of Geome- 
try vette i i 
BOWMAN : = IR ‘i a - dake Superior Copper Region, Michigan, 
eg ogica ox, MD. oa? —The Seas errian : A devoted Hy the 
i Lit- 
: Annals of the Lyceum of Natural ‘stor zea New 
“ERRATA. 
“ space,” read “sphere,” P. 22, 1.5 from top, sub- 
kJ 
< eg 
, for rKR? read 2rKR?. P. 34, 1.4 from top, PB te A ptt ae 
ure: A Practical tion of 
rah oead ed Green-houses, Gapperies, and other kinds . 
of Horticultural their management in 
Tegard to light, oak and air, by RoeertT B. Leucnars: Art’s Echo of Sci- 
Arpt oe and Patents 148.—Journal of the Academy o f Natural Sci- 
113 t fom bottom, for ‘ any portion i dbs "read any 
d*P or ee 
P24, 1. ian ve earag St Page-33, line 8 
* 
ey 
* 
rom bottom, for “ anilene,” read “ amilene.” en 110, Tin Sie = 
Bion tne read wi Te gen oie P. 112, i. 19 from nee 
