INDEX. 
E page 
Earle, Henry, Esq. On the re-establishment of a canal 
in the place of a portion of the urethra M'hich had been 
destroyed, - - - 300 
Earth , on the mean density of it, - 276 
deductions as to its figure, - - - 189 
Eclipse, Solar , calculations of some observations on that of 
the 7th of September, 1820, - - - - 311 
Electricity, on the magnetic phenomena produced by it, 7 
— farther researches on the magnetic phenomena 
produced by it ; with some new experiments on the pro- 
perties of electrified bodies in their relations to con- 
ducting powers and temperature, - 425 
Elephant, has two nerves belonging to the trunk, - 419 
E 
Faraday, Michael, Esq. On two new compounds of 
chlorine and carbon, and on a new compound of iodine, 
carbon, and hydrogen, - - - - 47 
and Richard Phillips, Esq. 
On a new compound of chlorine and carbon, - 392 
Fossil bones, a farther account of some discovered in caverns 
inclosed in the lime-stone rocks at Plymouth, - 133 
G 
Gas, experiments on that produced from oil, - 149 
experiments on that produced from coal, - - J51 
Gases jrom coal and oil, inferences respecting the compo- 
sition of that part of them which is condensed by contact 
with chlorine, - - 156 
— ■ — inferences respecting the compo- 
sition of that part of them which is not condensible by 
the action of chlorine, - 152 
Giles, Daniel, Esq. Particulars of a fact nearly similar 
to that related by Lord Morton, - - - 23 
Glasses, object, theory of them, - - 249 
— on their aberrations, - 222 
H 
Hare Island, experiments to determine the times of vibra- 
tion of the pendulum there, - - - 169 
