i 
INDEX. 
F. 
Forster, Tliomas, liis classification of 
certain Imninous appearances, wliich 
result from tlie reflection of light by 
clouds, called halos, rain-bows, par- 
helia, &c. 67. 
G. 
Bases, specific heat of. By F. Delaroclie 
and Berard, 140, 184. 
Blass, windows of, corroded by vapours 
from copper works, 4j, 
H. 
Howard, L., his Meteorological Jour- 
nal, with remarks and results, 20, 
I 
139 182. 278. 
Howldy, r., his experiments in electri- 
city, 198. 
I . 
'hbetson, Mrs. .\gncs, on the seeds of 
plants, first formed in roots, 54, 
B b 2 
IbbetsoD, Agnes, on the spiral wire 
being tlie cause of all motion in 
plants, 266. 
Ink, common, for writing. By Dr, Ban- 
croft, 1 . 
Inquiries concerning the mutual de- 
composition of soluble and insolubl* 
saltsi By M.Dulong, 9. 
J. 
Journal Meteorological, *0. 139. 18*. 
278. 
L. 
Luminous appearances, which result 
from the reflection oflight by clouds, 
classified, ByT. Forster, 67. 
M. 
Martin, William, his remarks on the 
mineral substance of rotten stone, 
46. 
■ , on various species, SI, 
Magnesia, its cflccts in preventing an 
increased formation of uric acids, 
with remarks on the influence of 
