DARWIN, AND AFTER DARWIN 



AN EXPOSITION OF THE DARWINIAN THEORY 



AND A DISCUSSION OF 

 POST-DARWINIAN QUESTIONS 



GEORGE JOHN ROMANES, M.A., LL.D., F.R.S 



Honorary Fellow of Gonville and Caius College, Cambridge 



I 

 THE DARWINIAN THEORY 



FOURTH EDITION 



Chicago 



THE OPEN COURT PUBLISHING COMPANY 

 1910 



