Bn 



Müsewi c 



Hasvarö ünlvor^itv 



2oo^ 



,'" HARVARD UNIVERSITY 



■ 633 



SB 



LIBRARY 



OFTHE 



DEPARTMENT OF MOLLUSKS 



IN THE 



Museum of Comparative Zoology 



Gifl of: 

 Wtt-LIAM J. CLENCH 



