ILLUSTRATED CATALOGUE 



\ <J I U OF THE 



MUSEUM OF COMPARATIVE ZOOLOGY, 



AT HARVARD COLLEGE. 



Published by order of the Legislature of Massachusetts. 



No. III. 



MONOGRAPH OF THE NORTH AMERICAN ASTACIM1. 



BT 



DR. HERMANN A. HAGEN. 



S V S T ^ATF 



^"'fcc* 



CAMBRIDGE: 



FOR SALE BY SEVER AND FRANCIS. 



1870. 



