Siv. #20. = = val a 
of pres: rving the Colour of the purple Cabbage, by =o a 
Bowen, — 112. 
¥ * nC Analysis of “she Sin anit 
sities en, é ag Ca q 
o is ofa Sil ceous H, ; te of Gippert from.N. Maret a 
. th auielic e pepe of “— in the U, ieee = \ 
se G. T. Bowen, a 
the Theory of the Construction of the Thermometer; by 
J, Adam - 
“Remarks. on several Kh published in former volumes of 
- this - ~131 
Pf the Precastion i the Faquinoses, hy — = 139. 
Account of a new Air Pam Joseph i. Pale a 148 
ike lid by ioe: R. 
oltaic | 3 by Pro 
on Mr. Patten’s Air Pamp; by ’Prok. J. F. Dan 
On the produced by Friction; by J. T. Watson, 
On the stOppiog of Astronomical Cloc ocks$ by Prof. W. | 
ard, ° 
# Reply t to Mr. Quinby on bOraak Motién,: -—: 
The formation of Crystals in Geodes, 
gehen pe ge Mr. Mae pts ‘Memoir by Pr 
Har 
. SNBice of illuioatiog Gas from. Cotton Seed 
> Olmsted, 
i Aaslpes of an Hydrat of I ron 5 Phy fi. Seyberk 
Analysis of the ile from oc Co. N, 3: ; by A, 
" . Seyberty 
Remarks KS 
Notice : the 
b 
y Res 
Meredibtogica! ‘Noted ; by 
tng: Field, 
_ Pres. Dwight on the West and 
England, 
Observations on ‘ue Comet of oe 
ro ae 
 Reliquiae Dilu 
fthe D 
