DARWINIAN A : 



ESSAYS AND BEVIEWS PERTAINING 

 TO DARWINISM. 



BY 



ASA GRAY, 



FISHER PROFESSOR OF NATURAL HISTORY (BOTANY) IN 

 HARVARD UNIVERSITY. 



NEW YORK: 

 D. APPLETON AND COMPANY, 



1, 3, and 5 BOND STREET. 



1889, 



