/U<i. /O 9/. 



THE GERM-PLASM 



A THEORY OF HEREDITY 



BY 



AUGUST WEISMANN 



Professor in the University of Freibiirg-in- Baden 



TRANSLATED BY 

 \V. NEWTON PARKER Ph.D. 



Professor in the University College of South Wales and Monmouthshire 



AND 



HARRIET RONNFELDT B.Sc 



WI TH TWENTi^FV myiLL US TRA TIONS 



NEW YORK 

 CHARLES SCRIBNER'S SONS 



1893 



