U. S. NATIONAL MUSEUM 



BULLETIN 93 PL. 68 





7m\ 



1 



2a 





r 



rs^ 



3a 





;/ 



lb 



3b 



1-1B, SrOMATOLEPAS PRAEGUSTATOR ; 2, 2a, S. ELCGANS ; 3-3B, CyLINDRO- 

 LEPAS DARWINIANA. 



For explanation of figures see page 356. 



