Eugenio Rignano 



UPON THE 



Inheritance of Acquired 

 Characters 



A HYPOTHESIS OF HEREDITY, DEVELOPMENT, 

 AND ASSIMILATION 



AUTHORIZED ENGLISH TRANSLATION 

 BY 



BASIL C. H. HARVEY 



ASSISTANT PROFESSOR OF ANATOMY, UNIVERSITY OF CHICAGO 



WITH AN APPENDIX 



UPON THE MNEMONIC ORIGIN AND NATURE 

 OF THE AFFECTIVE OR NATURAL TENDENCIES 



CHICAGO 



THE OPEN COURT PUBLISHING CO. 

 191 1 



