INDEX. 
page, 
E 
Earth, on its mean density, - - - 84 
on the irregularities of its surface, - - 89 
■ of its figure, - - 417 
Ecliptic , results of observations made at the Observatory of 
Trinity College, Dublin, for determining the obliquity 
of it, and the maximum of the aberration of light, - 241 
Equations , numerical , a new method of solving all orders of 
them by continuous approximation, - - 508 
Error, remarks on the probabilities of it in physical ob- 
servations, and on the density of the earth, considered 
especially with regard to the reduction of experiments 
on the pendulum, - - - .70 
Eye, an account of a membrane in the eye, now first de- 
scribed, - - , - - 300 
F 
Fairleigh and the North Foreland, phenomena of the tides 
between them on the English coast, and Cape d’Alpr^e 
- and Calais on the French coast, - - 218 
H 
Heat, on the influence it possesses in modifying the ob- 
sorbent power of crystals, - - - 25 
Home, Sir Everard, Bart., the Croonian Lecture. On 
the conversion of pus into granulations of new flesh, 1 
on corpora lutea, - 59 
an account of the fossil ske- 
leton of the Proteosaurus, - - - 209 
reasons for giving the name 
Proteosaurus to the fossil skeleton of an animal, which 
has been described, - - - 212 
on the ova of the different 
tribes of opossum and ornithorhyncus, - - 234 
Horner, W. G. Esq., a new method of solving numerical 
equations of all orders, by continuous approximation, 308 
