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philosophical 
TRANSACTIONS. 
xxr. An Experiment to determine the Effedl of extirpating one 
Ovarium upon the Number of Voung produced . By John. 
Hunter, Efj. F. R. S. 
Read March 22, 1787. 
I N all animals of diftintt fex, the females, thofe of the bird 
kind excepted, have, I believe, two ovaria, and of collide 
the oviducts are in pairs. 
By diftinft fex I mean when the parts deftined to the 
purpofes of generation are of two kinds, each kind appro- 
priated to an individual of each fpecies, diftinguifhed by the 
Vol. LXXV1I. M m appel- 
