I/. S. Exploring Expeditions. 
©IE®*' WMmm-.'wiom 
2 a 
7 a 
12 
12 a 
Drawn, by J. D. Dana . 
Pig' 1,1 a, Cerithium mediate. _ a, 2 a Buccinum de.vinchim 3, Fusus genicidus . 
sub striata . — 8 , \a. Undetermined species . 
