46 



Genus V.— Bulla, Klein. 

 Bulla hvdatis, L. 



Bulla hydatis, v globosa, Jeff. 

 Bulla utriculus, Brocc. 



Bulla utriculus, v. oblonga, Jeff. 



Genus VI.— Scaphander, De Mont. 



Scaphander lignarius, L. 



Scaphander, lignarius, v alba, Jeff. 

 Scaphander, lignarius, v curta, Jeff. 



Genus VII. — Phlline, Ascanius. 

 Philine scabra, Mull. 

 Phi LINE catena, Mont. 



Philine catena, v zona, Jeff. 

 Philine angulata, Jeff. 

 Philine quadrata, S. Wood. 

 Philine punctata, Clark. 



Philine punctata, v cingula, Mar. 

 Philine pruinosa, Clark. 



Philine pruinosa, v dilatata, Jeff. 

 Philine nitida, Jeff. 

 Philine aperta, Z. 



Philine aperta, v patula, Jeff. 



Family II.— APLYSIID/E, Z>'C?r/^. 



Genus Aplysia, L. 



Aplysia punctata, Cuvier. 

 Aplysia depilans, Z. 

 Aplysia melanopus, Couch. 



Family III.— PLEUROBRANCHID/E, Z: and H. 



Genus Pleurobranchus, Cuvier. 

 Pleurobranchus membranaceus, Mont. 

 Pleurobarnchus plumula, Mo?it. 



