With the Compliments of 



Alexander Agassiz. 



ANNUAL REPORT 



OF 



THE CURATOR 



OF THE 



MUSEUM OF COMPARATIYE ZOOLOGY 



AT HARVARD COLLEGE, 



TO THE 



PRESIDENT. AND FELLOWS OF HARVARD COLLEGE, 



FOR 



1886-87. 



CAMBRIDGE: 

 UNIVERSITY PRESS: JOHN WILSON AND SON. 



1887. 



