ON 



GERMINAL SELECTION 



SOURCE OF DEFINITE VARIATION 



BY 



AUGUST WEISMANN 



TRANSLATED FROM THE GERMAN BY 

 THOMAS J. MCCORMACK 



/ 



SECOND EDITION 



f 



CHICAGO 



THE OPEN COURT PUBLISHING COMPANY 



'LONDON AGENTb: / 



Kbgan Paul, TrBnch, Trubner & Co., Ltd. 

 1902 



