GENERAL CATALOGUE. 



mi 



/3. flavescens, Lowe 

 7. neritoides, Lowe 

 Monizianum, Lowe 

 hespericum, M. et D. 

 Lyonnetianum, Lowe 

 trochoideum, Lowe 

 costatum, Sliuttl. 



TEUNCATELLIDiE. 



Truncatella, Risso. 



truncatula, Drap. 



a. [normalis] . 



/8. Ia3vigata, Lowe 

 Lowei, Shuttl. 



ASSIMINEID^. 



Assiminea, Leach, 

 littorina, Delle Chiaje 



HELICINID^. 



Hydrocaena, Parr. 

 gutta, Shuttl. 

 a. [normalis] . 

 ;3. minor, Shuttl, 



GASTROPODA. (PECTINIBRANCHIATA). 



