DARWINIAN A: 



ESSAYS AND REVIEWS PERTAINING 

 TO DARWINISM. 



BY 



ASA GRAY, 



PROFESSOR OF NATURAL HISTOBT (BOTANY) 

 HARVARD UNIYBBSITY. 



NEW YORK: 

 B. APPLETON AND COMPANY, 



1, 8, AMD 6 BOND STREET. 

 1884. 



875-6 10 



