18G 



COLUMBELLTN^. 



Genus STROMBINA, Morch. 



Shell fusifonn, tuvreted; spire acuminate, whorls gib- 

 bose, often nodulous; aperture elongate, narrow; inner 

 lip with a large thickened callus; outer lip thickened, 

 sinuated posteriorly; canal produced, somewhat re- 

 curved. 



Ex. S. gibberula, Sowerhy, pi. 19, fig. 9. 



This genus comprises an assemblage of fusiform species 

 of shells with gibbous whorls, thick and sinuated outer 

 lips, and somewhat produced and recurved canals. 



Species of Strombina. 



angularis, Soiv. 

 australis, Gask. 

 bicanalifera, Sow. 

 blanda, Sow. 

 clavulus, Sow. 

 dorsata, Sow. 

 elegans, Sow. 

 fusiformis, Hinds. 

 gibberula, Sow. 

 gibbosula, Brod. 



Haneti, Petit. 

 hirundo, Gask. 

 lanceolata, Kien. 

 maculosa, Sotv. 

 nivea. Sow. 

 pavonina. Hinds. 

 pulclierrima Soiv. 

 recurva. Sow. 

 turrita, Soiv. 



Genus AMYCLA, H. and A. Adams. 



Shell bucciniform, smooth, solid, variegated ; aperture 

 ovate ; columella simple, truncate at the fore part ; inner 

 lip with a thick, defined callus ; outer lip arcuated, crenate 

 internally. 



Si/n. Nassa, sp. Auct. 



E,%\ A. corniculum, Olivi, pi. 19, fig. 10. 



These mollasks have small variegated bucciniform 



