71 



Cy theria seripta 

 numulina 



muscana 



Cytheria pulicaris 



mixta 



abbreviata 



The internal Margin of the Valves crenulated, or 

 dentated. 



Cytheria pectinata 



Cytheria plicatina 



gibbia 





• flexuosa 



ranella 





■ macrodon 



divaricata 





• lunularis 



testudinalis 





squamosa 



cuueata 





cardilla 



placunella 





cygnus 



rugifera 





dentaria 



[Nine fossil 



species." 





VENUS. 

 venus puerpera. — Linn. 

 Chemnitz 6, tab. S6,Jiy. 388, 389- 

 This genus has been considerably diminished in num- 

 ber from that so called by Linnaeus, who had blend- 

 ed with it many other shells, allied to or resembling 

 the Veneres, but characteristically distinct; it never- 

 theless remains a very numerous, varied, and beauti- 



