UNITED STATES NATIONAL MUSEUM BULLETIN 291 



Systematics and Zoogeography 



of the Worldwide 



Bathy pelagic Squid Bathyteuthis 



(Cephalopoda: Oegopsida) 



CLYDE F. E. ROPER 



Division of Mollusks 

 Smithsonian Institution 



SMITHSONIAN INSTITUTION PRESS 

 CITY OF WASHINGTON • 1969 



