Order. Tectibranchia. 

 Fam. Acera. 



XI. Bulla, Lin, 

 1. lignaria. 



Bulla lignaria, Lin. — Bulla scabra. Mull. 

 Ramsay. Mr. Wallace. 



XII. Bullaea, Lam. 

 1. aperta. 



Bullaea aperta, Lam. — Bulla aperta, Lin. 

 Flem. Bullaea Planchiaua, Cuv. 

 The animal is described by Cuvier. 

 In the stomach of a haddock, caught off Douglas, 

 October 1837. 



Order. Pulmonifera. 

 Fam. Limacea. 



XIII. Li max, Lin. 



1. cinereus. 



Limax cinereus, Lin. — (Shell) Limacellus 

 Parma, Turt. 

 Frequent. 



2. agrestis. 



Limax agrestis, Z<m»— (Shell) Limacellus 

 obliquus, Turt. 

 Common. 



