CONTENTS 
O F 
VOL. LXXVII. Part IL 
XXI. 'Experiment to determine the Effect of extirpating- 
one Ovarium upon the Number of Young produced. 
By John Hunter, Efq. F. R. S. page 233 
XXI i. Experiments made to determine the poftive and relative 
Quantities of Moifture abforbed from the Atmofphere by various 
Subfances , under fimilar Circumfances. By Sir Benjamin 
Thompfon, Knt. F. R. S. ; communicated by Charles Blag-- 
den, M. D. Sec. R. S. p. 240 * 
XXIII. The Principles and lUuft ration of an advantageous Me- 
thod of arranging the Differences of Logarithms , on lines 
graduated for the Purpofe of Computation . By Mr. William 
Nicholfon ; communicated by Sir Jofeph Banks, Bart . 
P. R. S. p. 246 
XXIV. Obfervations tending to few that the Wolf, Jackal, and 
Dog, are all of the fame Species. By John Hunter, Efq. 
F. R. S. p. 253 , 
XXV. Experiments on the Congelation of the Vitriolic Acid. By 
James Keir, Efq. F. R. S . ; communicated by Henry Caven- 
. di(h, Efq. F« R. S. p. 267- 
XXVI. An* 
