IND EX 
TO THE 
PHILOSOPHICAL TRANSACTIONS 
FOR THE YEAR 1817. 
A page 
Amphibia , the circulation of the blood in this class described, 5 
Argonauta , notice taken of an error into which many natura- 
lists have fallen, respecting the inhabitant of this shell, 297 
Astringent vegetable substance, observations on one from 
China, - 39 
B 
Babbage, Charles, Esq,. Observations on the analogy 
which subsists between the calculus of functions and other 
branches of analysis, - 197 
Barometer , a description of a thermometrical one for measur- 
ing altitudes, - - - 1 83 
Binomial theorem , note respecting the demonstration of it, 
inserted in the last volume of the Philosophical Trans- 
actions, ... - - - - £45 
Brande, William Thomas, Esq, Observations on an 
astringent vegetable substance from China, - 39 
C 
Calculus of Functions , observations on the analogy which 
subsists between that and other branches of analysis, 1 9 7 
■ — * — — — a curious analogy which subsists be- 
tween i and common algebra, - - 205 
Celestial bodies, astronomical observations and experiments 
