INDEX. 
new electrochemical researches, on various objects, particu- 
larly the metallic bodies From the alkalies and earths, and 
on some combinations of hydrogene, 
Davy, Humphry, Esq., his experiments on the fusible sub- 
stance obtained by heating potassium in ammonia, 
—* , his experiments on the fusible sub- 
stance, obtained by heating sodium in ammonia, 
: -, his experiments on nitrogene, am- 
monia, and the amalgam from ammonia 
— — — — = — , his suggestions on the mode of aera- 
tion of the ova of fish, 
— ! — , his researches on the oxymuriatic 
acid, its nature and combinations ; and on the elements of 
the muriatic acid. With some experiments on sulphur 
and phosphorus, 
Davy, Mr. John, his experiments on muriatic acid gas, 
noticed, -■ 
Dog-fish, on its organization, 
E. 
Earths , on the metals of, 
Elater noctilucus , its organization for the production of light, 
Elaler Ignitus , its organization for the production of light, 
F. 
Fish , on their modes of depositing their ova 
Foetus , description of an extraordinary one, 
on the aeration of its blood, 
G. 
Gibson, Mr. Benjamin, his description of an extraordinary 
human foetus, - 
Glow worms, experiments on their luminous matter, 
Goose , on the gizzard of, 
Grazing birds , on the gizzards of, 
Groombridge, S. Esq., his observations on atmospherical 
refraction, as it affects astronomical observations, 
H. 
Henry, Dr. Wm. his analysis of several varieties of British 
and foreign salt, (muriate of soda), with a view to explain 
their fitness for different economical purposes, 
U u 2 
page 
16 
20 
24 
37 
213 
2SI 
237 
205 
5S 
277 
278 
213 
12 3 
216 
123 
283 
1ST 
184 
190 
§9 
