15V.NE ANb LKlCEStEK : MOLLUSCA ANH IJKAClUOi'iJl IA OK HI.E OK MAN'. S5 



Teres anceps (Eichu.) (Defrancia teres). — A most beautiful 

 specimen dredged off Port Erin. 



Clathurella leufroyi (Mich.) (Defrancia)— Bay Eine (Heath- 

 cote). 



C. linearis (Mont.) (Defrancia). — One alive and several dead off 

 Port Erin and the Calf, in rough dredged material. 



C. purpurea Mont. (Defrancia).— Two specimens have been 

 dredged, one very fine. 



Tornatina umbilicata (Mont.). (Cylichna). 



T. mammillatus Phil. (Utriculus). 



Diaphana hyalina Turt. (Utriculus). — Dredged off the Call 

 (15-17 faths.). 



Scaphander lignarius (L.). — Very good dredged. Eound also 

 by Mr. W^allace at Ramsey (Eorbes, Mai. Mon , p. 6). 



BuUinella cylindracea (Penn.) (Cylichna). — Southern area. 



Roxania utriculus Brocchi (Bulla). — "Was obtained by sifting 

 mud and debris from between stones on the beach at low-water in 

 buckets. It was found in the material at the bottom after pouring off 

 the water and allowing to settle. This may not be an inhabitant of 

 the Isle of Man coasts, and may possibly have been washed in by a 

 gale. 



Philine scabra (Miill). 



P. catena (Mont.). 



P. angulata Jeffr. — Dredged off Port Erin. 



P. aperta (L.). 



Aplysia punctata Cur. — Sometimes very abundant along the 

 northern side of Port Erin Bay between the Biological Station and 

 Bradda Head in 5 fathoms. Also outside the breakwater ; off Baj- 

 iMne ; southwards towards the Calf in 10-20 fathoms. 



Oscanius membranaceus Mont. (Pleurobranchus). — Com 

 mon under large stones in rock-pools at the Poyllvaish end of 

 Bay-ny-Carrickey (Herdman). 



Pleurobranchus plumula Mont. 



Otina Otis (Turt.). — Mr. Heathcote says in the diary of the Station 

 (20th July, 1890) that he found this species near the breakwater. Port 

 Erin. He, unfortunatel}', lost the specimen. All search by us, both 

 there and round Port Erin, has failed to re-discover it. Forbes says 

 (Mai. Mon., p. 29) : — "In crevices of rocks at half-tides, with Kellia 

 rubra : Kirk St. Ann's Head." 



Melampus bidentatus Mont. 

 M. myosotis Drap. 



