BULLETIN 



Oh- THE 



MUSEUM OF COMPARATIVE ZOOLOGY 



AT 



HARVARD COLLEGE, IN CAMBRIDGE. 



VOL. VII. 



(Geological Seuies, L) 



/ 



CAMBRIDGE, MASS., U. S. A. 



1880-1884 



Reprinted with the permission of the original piibHsher 



KRAUS REPRINT CORPORATION 



New York 

 1967 



i-njT-IK^i ■ 



