With the Compliments of 



Alexander Agassiz. 



TWENTY-FIFTH 



ANNUAL REPORT 



OF 



THE CURATOR 



OF THE 



MUSEUM OF COMPARATIYE ZOOLOGY 



AT HARVARD COLLEGE, 



TO THE 



PRESIDENT AND FELLOWS OF HARVARD COLLEGE, 



FOR 



1884-85. 



CAMBRIDGE: 



UNIVERSITY PRESS: JOHN WILSON AND SON. 



1885. 



