CONTENTS 
O F 
VOL. LXIX. Part II. 
( 
XXII. N ACCOUNT of the Manner in which the 
Ruffians treat Perfons affeSted by the Fumes of 
burning Charcoal , and other Effluvia of the fame Na- 
ture. In a Letter from Matthew Guthrie, M. D. to 
Jofeph Prieftley, LL.D. F. R. S. page 325 
XXIII. An Account of an Apparatus applied to the equa- 
torial Injtrument for cor reeling the Errors arifing from 
the Refraction in Altitude. By Mr. Peter Dollond,. 
Optician ; communicated by the Aflronomer Royal. 
P- 332 
XXIV. Experiments and Obfervations on the inflammable 
Air breathed by various Animals. By the Abbe Fon- 
tana, Director of the Cabinet of Natural Hiftory be- 
longing to his Royal Highnefs the Grand Duke of 
T ufcany ; communicated by John Paradife, Efq. F. R. S. 
P- 337 
XXV. On the Variation of the Temperature of boiling 
Water. By Sir George Shuckburgh, Baronet , F. R. 
1 and 
