INDEX. 
C 
page 
Camel's stomachs , observations on, - - - 357 
■ , capacity, See. of the first, - - 360 
capacity and office of the second, 366 , 367 
. capacity of third, - - - 368 
— — — — fourth, - - 369 
— teeth, observations on, - * - 371 
■ — urine, analysis of, - - - -3 72 
contains uric acid, - * - 373 
Carbonate of lime, in the urine of horses, - - 380 
Carlisle, Anthony, Esq,. The Croonian lecture on the 
arrangement and mechanical action of the muscles of fishes, 1 
Cassini , M. Observations on the variation at the equinoxes and 
solstices, ~ - - 393 
Centrifugal force , its effect on the growth of seeds, - 102 
Circles of repetition of the French do not diminish errors of 
observation, - 432 
Circular instruments, observations on, ~ 420 
, description of one, - - 424 
, with revolving microscopes, - 425 
Coal , fossil, conjectures respecting its origin - 135 
vegetable, obtained by sulphuric acid, - - 130 
quantity afforded by different resins ; 8cc. 131 
Conic sections , appendices of, - - - 82 
Cortical vessels oj plants, descend from the bases of the leaves, 295 
D 
Declinations of some of the principal fixed stars, - 45 4 
Dip oj the magnetic needle, observations on, - - 385 
— - — subject to no diurnal alteration, 396 
>— — ... — — — tables of, - - 4 1 9 
E 
Extracto-resin, what, - - - * 98 
F 
Fish , motions of their fins, - - - - 3 
arrangement oi their muscles, - - - 6 
muscular power of short duration, 9 
Flinders, Matthew, Esq,. Observations on the marine 
barometer, made during the examination ol the coasts of 
