292 CHASTER AND HEATHCOTE : MOLLUSCA OF OBAN. 



** D. repanda, Alder and Hanc. Dredged and taken on 



the shore. 

 ** Tornatina truncatula, Brug. {Ufriculns fruncafulns). 



Two dead specimens dredged. 

 ** Diaphana hyalina, Turton. {Utricuhis hyalinns). Two 



dredged dead. 

 ** Philine punctata, Chirk. A fine fresh example dredged. 



* Aplysia punctata, Cuv. [R.D.D. MS.]. 



** Pleurobranchus plumula, Montg. Two taken alive on 

 stones on the shore near Kerrera ferry. The shell of the 

 larger measures 17 mm. 



Clathurella linearis, yiowi. {Defrancia linearis). [A.M.N. ; 

 R.D.D. MS.]. Dredged alive and dead. There is perhaps 

 no British shell which so well repays careful microscopic 

 examination as a fresh specimen of this species, the 

 sculpture of which is exquisitely delicate. 



*'^ C. ieufroyi, Mich. An immature example dredged alive 

 off Lismore. This species appears to be scarce everywhere 

 in our seas. It occurs in the Clyde district (Brown). 



** Mangel ia costata, Don. {Pleiirofoma costata) Fine 

 examples dredged alive and dead off Maiden Island and 

 in Kerrera Sound, 



* M. striolata, Phil. [A.M.N.] 



* M. attenuata, Mont. [A.M.N.] 



M. brachystoma, Phil. [OffDunolly Castle, Forbes; x\.M.N.]. 



A fresh specimen with obliquely set ribs dredged off" Maiden 



Island. 

 Hasdropleura septangularMs, Mont. {Pleurotoma septangu- 



laris). [A.M.N.]. Two fine live examples dredged oft 



Maiden Island. 

 Bela rufa, INIont. {FIcuro/oma ri/fa) [var. idideana, Jeff'reys]. 



Two forms, one small and stumpy with oblique ribs, the 



other elongated, occurred alive in the dredgings. A slender 



specimen, purple-black in colour, was taken on the shore. 



J.C, vii., J^n. iSc!^. 



