Acsionat ow = dnc of iron on “freee apht 
rg de am s of the Magnetic Field, nity 
a ysis at _Allophane fin from a Black oxy 
A & 
Bike HI. 11800 re sa i of the of the 
earing on the Chactaines: or the 
etamorphie Rocks in- 
Testacea, by Epw 
cee Idenitity of Frist of" yon 
Louisian by B. Dow 
136. —Mo uses 
Gis of Urania: Comet, 1354, IV: New Planets, 137. 
Ee akage awalage pple the Means of EX i ne Advantages of root 
y Wittram Joux Macacoan Rankine, F.RS.S iy —On Lightn 
rs 1 Ont the Effect of Pressure on th pera ne 
mance y Mr. Horxins, 140.—M. Foucault’s nouvelles eenicianela 
an moyen du Gyroscope —On Meteorvlites and Asters 
Gree, Jr., 143,— Summary of. the Weather for June, at San 
H. Gino Ns, M.D., 1 44 —Observations on Atmospheric pressure ; frots 3 
" : 
. Lyne 
neher: Gathfors ria, Tesi " * Ore few 7 itish ‘and Rus 
Ow s Circle of the Stiences—Crystallog ed hy ead oben nag eae 
AS gaat ennanT: Edin burgh sates Bae : 
of Wiel 
ELL, 
150.— VV is 
onsidérée dans 8 ae tappre avee la chim 
“8. OUSSINGAULT: Traité des Arts ( 
“ay tyaretes ART, 2nd edit. r 
ours special sur | pales ve le Diamagnétisme, “Te Meresuune: ete. -; par 
TEUcc1: Nouveau Systéme de Navigation, ete., par PLANAVERGNE, 152. 
List of Works, 152. 
