INDEX. 
G page 
Gases, inflammable, experiments on those afforded by the 
destructive distillation of pit coal and of oil, - ] i 
Gas, olefiant, coal, and oil, comparative experiments on 
their illuminating and heating powers, and on some ge- 
neral properties of radiant matters, - - 21 
Gompertz, Benjamin, Esq. A sketch of an analysis and 
notation applicable to the estimation of the value of life 
contingencies, ' - - - 214 
Granville, Augustus Bozzi, M. D. A case of the hu- 
man foetus found in the ovarium, of the size it usually 
acquires at the end of the fourth month, - - 101 
Groombridge, Stephen, Esq. Astronomical observa- 
tions, - - - 330 
H 
Hearing, human , its range, - - - SI 3 
Herschel, J. F. W. Esq. On the action of crystallized 
bodies on homogeneous light, and on the causes of the 
deviation from Newton’s scale, in the tints which many 
of them develope on exposure to a polarised ray, - 4 5 
Home, Sir Everard, Bart. Croonian Lecture. A farther 
investigation of the component parts of the blood, - ] 
— On the milk tusks, and organ 
of hearing of the dugong, - - 144 
On the mode of formation of 
the canal for containing the spinal marrow, and on the 
form of the fins (if they deserve that name) of the pro- 
teosaurus, - - - - 139 
— Observations on the human 
urethra, showing its internal structure, as it appeared 
in the microscope of Francis Bauer, Esq. - 183 
- — An account of a new mode of 
performing the high operation for the stone, - 209 
Particulars respecting the ana- 
tomy of the dugong, intended as a supplement to Sir 
T. S Raffles’ account, - - - 315 
K 
Knight, Thomas Andrew, Esq. Upon the different qua- 
lities of the alburnum of spring and winter-felled oak- 
trees, - 156 
