154 



FASCIOLARIIDiE. 



nassatula, Lam. 

 nassoides, Reeve. 

 Philberti, Dud. 

 prisraatica, Mart. 

 pulchella, Reeve. 

 rosea, Reeve. 



scabrosa, Reeve. 

 spinosa, Mart. 

 tuberculata, Brod. 

 ustulata, Reeve. 

 violacea, Reeve. 



Genus LEUCOZONIA, Gra3\ 



Shell oval, subglobose ; spire moderate ; aperture ob- 

 long; canal short; columella subflexuous, with small, 

 oblique, unequal plaits ; outer lip subacute, with a tooth 

 or tubercle at the fore part. 



Syn. Lagena, Schum.y not Klein. 



Ex. L. smaragdulus, LiniKBUS, pi, 16, fig. 6. Oper- 

 culum, L. cingulata, Lamarck, fig, 6, a, 6, h. Shell, L. 

 cingulata, fig. 6, c. 



Leucozonia resembles Cancellaria in its plaited colu- 

 mella, but a tooth or projection, more or less prominent, 

 on the fore part of the outer lip, distinguishes it from that 

 genus ; a few of the species have, on this account, been 

 confounded with Acanthina. 



Species of Leucozonia. 



angularis, Reeve. 

 Belclieri, Adams and Reeve. 

 Brasiliana, VOrh. 

 Californica, A. Adams. 

 cingulata, Lam. 

 cingulifera, Lam. 

 crenulata, Kien. 

 fuscata, Gniel. 



Knorii, DesJi. 

 leucozoualis, Lam. 

 nassa, 6hnel. 

 nigella, Chejn. 

 picta, Reeve. 

 smaragdulus, Linn. 

 triserialis. Lam. 



