c O N T E N T 
S. 
VH 
. ™ chriin ° f * *** *** 
. Ex P erlmer f on the Power that Animals , /W^ 
P /fl/ J pojjefs of producing Cold. By Adair 
Ciawford, M. D. ; communicated by Sir Jofeph Banks, Bart. 
XXXII. Account of a Comet. By Mr. Herfche! F A’ 
XXWrZ r t ^ W 7r> Jm ' °f Bath ’ R *• S - P. 404 
X ™ IL ^ Letter from Mr. Jofeph Willard to the Rev. B, 
Malkelyne, _ Afronomer Royal, concerning the Longitude of 
Cambridge m New England. ^ ^ 
XXXIV. An Account of Jbme Thermo metrical Experiments • con- 
taining, I. Experiments relating to the Cold produced by the 
Evaporation of various Fluids, with a Method of p u fi fvino- 
TT uJ\? Xpe r m Tu rdaUng t0 the Ex P an fi on of Mercury . 
II. Defer iption of a Thermometrical Barometer. By Tiberius 
Colnril'I ? , W *°r S n ° mmated b *be Prefideut and 
* T r/A Di f covenes '« Natural Hijlory, purfuant 
to the Will of the late Henry Baker, Efp F. R. S. p 5Cq 
