LIST OF MOLLUSCA. 



VELUTINHXE Gray 



LAMELLARIA Mont 

 I'limellaria perspicua L. 

 v. lata 



VELUTINA Flem. 



Vt'lmiim plirntilis Miill 

 Velutina laevigata Penn. 



v. 1 ciiinlMii 

 v. -J t 



CANCELLATION F. & H. 

 TORELLIA Lov^n. 



Torellia vc stit;. Jefif. 



TiticHOTRopis Brod. & Sow. 

 " Trichotropis boreal is Brod & Sow. 

 v, acuminata 



APOKRHAID.E Troschal 



APORRHAJS Da Costa 

 Aporrhais pes-pelecani L. 



v. albida 

 Aporrhais Macandreac Jeff. 



CERITHIID^E Flem. 

 CERITHIUM Adanson 

 Ceritbiuiri metula Lov6n 

 - Ceritbium reticulatum Da Costa 

 v. 1 simplex 

 v. lactescens 

 " x Ceritbium perversum L. 

 v. pallescens 



