ON ARISTOTLE 

 AS A BIOLOGIST 



WITH A 



PROOEMION ON HERBERT SPENCER 



;EING THE HERBERT SPENCER LECTURE 

 DELIVERED BEFORE THE UNIVERSITY OF 

 OXFORD, ON FEBRUARY 14, 1913 



D'ARCY WENTWORTH THOMPSON 



Price One Shilling net 



OXFORD 

 AT THE CLARENDON PRESS 



