ILLUSTRATED CATALOGUE 



MUSEUM OF COMPARATIVE ZOOLOGY, 



AT HARVARD COLLEGE. 



Published by order of the Legislature of Massachusetts. 



No. III. 



MOXOGRAPn OF THE NORTH AMERICAN ASTACIDiE. 



DR. HERMANN A. HAGEN. 



CAMBRIDGE: 

 FOR SALE BY SEVER AND FRANCIS. 



1870. 



