INDEX. 
page 
Davy, Humprhy, Esq,. His electrochemical researches on 
the decomposition of the earths, - - - 33 & 
D ubuat. Chevalier. His calculations on hydraulics 
examined, - - - - - 165 
E 
Earth , inequalities of its surface, how produced, - 208 
Earths , alkaline, experiments on their decomposition, 337 
their metallic bases, . - 341 
Earths , experiments on their decomposition, - 340 
Elements oj matter, speculations concerning their arrangement, 102 
G 
Garrard, Mr. William, on a new property of the tangents 
of a plane triangle, - 120 
Gas from coal , its expense as an artificial light, compared 
with that of candles, - - - 129 
experiments on its composition, - 294 
Gas, muriatic acid, experiments upon, - - 343 
Gas, fluoric acid, experiments upon, - 343 
Geological questions, facts applicable to, - - 201 
Gerstner. His calculations on hydraulics, - 106 
Glucine, experiments made to decompose it, - - 353 
Goldingham, John, Esq. His observations on the eclipses 
of Jupiter’s satellites, - 322 
H 
Hatchett, Charles, Esq. Some observations on his ex- 
periments on the compound sulphuret of lead, antimony, 
and copper, - - 55 
Henry, Dr. Willi am. His description of an apparatus 
for the analysis of the compound inflammable gases by slow 
combustion, with experiments on the gas from coal, ex- 
plaining its application, - - 282 
H ersohell, Dr. His observations of a comet, made with a 
view to investigate its magnitude, and the nature of its illu- 
nation. To which is added, an account of a new irregularity 
lately perceived in the apparent figure of the planet 
Saturn, - - - - - I45 
Home, Everard, Esq. On the structure and uses of the 
spleen, - 45 
his farther experiments on the spleen, 133 
3 C 21 
