INDEX. 
page 
Calculus , bone-earthy remarks on, - - 395 
from the prostate gland, remarks on, - 396 
Calorky supposed to be a cause of the force of fired gunpowder, 233 
Cancer y on the stars in, - - - 311,321 
Cannony on different ways of firing them, - 237, 285 
on the heat they acquire by being fired, - 249 
Capricornus, on the stars in, 299 
Carbon , experiments to determine whether it be a simple or a com- 
pound substance, - - - - - 401 
Cassiopea, on the stars in, - - - - 302 
Cavendish, Henry, Esq. Extract of a letter from him, contain- 
ing a method of computing lunar distances, - - 119 
CentauruSy on the stars in, - - - 314 
CepheuSy on the stars in, - - - 314, 322 
CetuSy on the stars in, 303 
Colour of blood, experiments and observations on, - 416 
Colours y deception produced by different rays, - 362 
rings ofy remarks on, - 362 
of bodies, opinion of Zucchius respecting, - 418 
Concretions , gouty and urinary , observations on, - 386 
Cornea , on its nature and some of its diseases, - - 18 
Cornwallis, Marquis. Account of the trigonometrical survey 
carried on by his order, in the years 1795 and 1796, - 432 
Corona Borealis , on the stars in, - - - 315, 322 
Cruikshank, William, Esq. Experiments in which, on the 
third day after impregnation, the ova of rabbits were found in 
the fallopian tubes; and on the fourth day after impregnation 
in the uterus itself; with the first appearances of the foetus, 197 
Cygnus, on the stars in, - - - 300 
D 
Dalby, Mr. Isaac. Account of the trigonometrical survey 
carried on in the years 1795 and 1796, - - 432 
Diamond , on the nature of, - - - 123 
Dip , on horizontal refractions which affect it, 29 
Donation to the Royal Society, account of one, for a prize medal, 215 
Douwes, Cornelius. Remarks on his method of finding the latitude, 46 
E 
Earth, on the influence of its elliptic form in computing lunar 
distances ------ 108 
Electric discharges, on the nature of the gas produced by passing 
them through water, - - - - 142 
