(30 ) 



PRANIZIDAE , Hope. 

 Praniza , Leach. 



I Coeruleata , Mont. . . . Napoli 



2. Ventricosa , Risso . . . Nizza 



3 Rubroculis , Risso . . . Id. 



4 Piumosa , Risso ( Nov. Gen. ). Id. 



5 Mesosoma , Risso . . . . Id. 



6 Semilunata , Risso . . . Id. 



7 Sinaragdina , Risso . . . Id. 



8 Serrulata , Risso . . . Id. 



9 Hyalina , Hope . . . . Id. 



10 Purpurascens , Hope . . . Id. 



1 1 Sanguinea , Hope . . . Id. 



Angaeus , Risso. 

 I Forficularis , Risso . . .Nizza 



SPHAEROMIDAE. 



Sphaeroma , Lat, 



1 Serratura , Fab Medit. 



2 Ginereura , Lat Nizza 



3 Trigonum , Risso . . . . Id. 



4 Savignyi, Edw. . ... Napoli 



Cymodocea , Leach ( Dynaraene , Leach ). 



1 Truncata , Leach. 



2 Pilosa , Leach. 



. Napoli 

 . Medit. 



