INDEX 
page 
Brande, William Thomas, Esq. The Bakerian Lecture. 
On the composition and analysis of the inflammable 
gaseous compounds resulting from the destructive distil- 
lation of coal and oil, with some remarks on their re- 
lative heating and illuminating powers, - 1 1 
Breathing , the effect of an interminable contest between 
the elasticity of the lungs and the irritability of the 
diaphragm, - - - 43 
Brewster, David, LL. D. Extracts of two letters from 
him, on the deviation of the tints from Newton s scale, 94 
C 
Carson, James, M. D. On the elasticity of the lungs, 2 9 
Chocks , or wedge pieces , first introduced in naval architec- 
ture, about the year 1744, - - - 135 
— — reason of their introduction, 135 
the substitution of coaks or dowels 
for them recommended, - - 137 
Chronometers used at sea, their rates affected by the iron in 
the ships, - - - - 19b 
Coal and oil, experiments on the inflammable gases afforded 
by their destructive distillation, • - 11 
Coleman, George, Esq. His communication of some 
tables showing the rates of chronometers, - - 208 
Corpora cavernosa, their cellular structure explained, 188 
Corpus spongiosum, the particulars in which its structure 
differs- from that of the corpora cavernosa, - 190 
Croonian Lecture. By Su'Everard Home, Bart. - l 
Crystals, of the general phenomena of those which deve- 
lope tints deviating from Newton’s scale, by exposure 
to polarised light, - - - 52 
— — — on the causes which produce the above pheno- 
mena in crystals, - - - 62 
=— — on the tints developed by those with two axes 
out of the principal section, - - - 73 
• — of a secondary cause of the deviation of tints 
subsisting in certain crystals, and of the anomalous tints 
of the apophyliite, - - 76 
Crystallized bodies, on their action upon 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, - - -45 
