368 
INDEX. 
Colours. Periodical colours produced by the grooved surfaces of metallic and transparent 
bodies, 301 et seq. 
Cooper (Bransby Blake, Esq.). Anatomical description of the foot of a Chinese female, 
2 55 ct scq. 
D. 
Dai.ton (John, Esq.). Objections to Mr. Dalton’s estimate of the height of the aurora 
borealis, 116. 
Davy (Sir Humphry, Bart.). Experiments on the torpedo, 15 et seq. 
Digestion. On the functions of the stomach in digestion, 137 et seq. 
F. 
Farouiiarson (Rev. James). On a definite arrangement and order of the appearance and 
progress of the aurora borealis, and of its height above the surface of the earth, 103 
et seq. 
Friction. Experiments on the friction of attrition of solids, 150 et seq. 
G. 
Galvajiisjn. Its employment recommended in diseases arising from a failure of the nervous 
power, 278. 
Electric and chemical theories examined, 361 et seq. 
Graves (John Thomas, Esq.). An attempt to rectify the inaccuracy of some logarithmic 
formulae, 171 et seq. 
H. 
Hydrogen gas. Vibrations of a pendulum in hydrogen gas, 227 et seq. 
L. 
Lee (Robert, M.D.). On the functions of the intestinal canal and liver of the human 
foetus, 121 et seq. 
Lens ( jluid ). Of 7.8 inches aperture, employed in a telescope, 33 et seq. 
Light. Of Sirius and the Sun compared, 23. 
Experiments on reflected light, 187 et seq. 
M. 
Magnetism. Dip of the needle in London in 1828, 52. 
Annual decrease of the Dip in London diminishing, 53. 
Mediterranean. More salt at great depths than the ocean generally, 30. 
Microscopes. Observations on, 9 et seq. 
Nerves. On the functions of the nervous system, 261 et scq. 
On the nerves of the face, 317 et scq. 
