HARGREAVES I MARINE MOLLUSCA OF YORKSHIRE COAST. I03 



Philine scabra (Miiller).— Dogger Bank (Brady, L. & M.); 

 Scarborough (Jeff, and Bean); not uncommon in shellsand, Scar- 

 borough ; throughout the offshore area (M.B.A,). 



Philine catena (Montagu).— Dogger Bank, 25-40 fathoms 

 (L. & M.); shellsand, Sandsend (M.V.L.); Scarborough (Bean and 

 Jeff.); the commonest species of this genus in shellsand, Scarborough. 



Philine quadrata (S. V. Wood).— Dogger Bank (Mennell, Jeff., 

 L,_& M.); 45 fathoms (Brady); Scarborough, Whitby and Filey, 

 occasionally cast ashore (Marshall). 



Philine punctata (J. Adams). — Scarborough (Bean, Jeff); 

 shellsand, Scarborough. The shellsand obtained in front of the 

 Grand Hotel and Spa is the most productive for Philine and Rissoa, 

 whilst Odostomia is more plentiful nearer White Nab. 



Philine aperta (Linne).— Dogger Bank, one living (Parke). 



Limacina retroversa (Fleming). — Dogger (Bull) ; shellsand, 

 Scarborough, rare (Rev. F. W^oods). 



Limacina balea (Moller).— Off Flamborough, 40 fathoms (Bull, 

 fide Victoria History). 



Aplysia punctata Cuvier. — Redcar(D.F.) ; Scarl)orough (Bean); 

 living adult specimens may occasionally be taken in the South Bay, 

 and I believe are fairly common on the Spital at Filey Brig. 



Pleurobranchus plumula (Montagu). — Salt Scar, Redcai 

 (D. F.); Scarborough (Bean). 



Limapontia depressa Alder & Hancock. — On Vaucheria, in 

 pools only reached by exceptional tides, Easington (T.P.). 



iEolidia papiliosa (Linne). — Sandsend (M.V.L.); Scarborough 

 (J. Irving); Filey (T.P.); Redcar. 



iEolidella glauca (Alder & Hancock). — South edge of the Coal 

 Pit, 23 fathoms (M.B.A.). 



■ Cuthona nana Alder & Hancock.— Several stations, East of 

 Yorkshire (M.B.A.). 



■ Tergipes despectus (Johnston). — Off Redcar (D.F.). 

 Embletonia pulchra (Alder & Hancock). — South Bay, Scar- 

 borough (J. Irving). 



Galvina cingulata Alder & Hancock. — Inner Silver Pit 

 (M.B.A. ). 



Galvina tricolor (Forbes). — Inner Silver Pit, and several other 

 stations in deep water (M.B.A.). 



Coryphella rufibranchialis (Johnston). — Dogger Bank (Brady); 

 Scarborough (J. Irving) ; Redcar. 



Coryphella lineata (Loven). — Off Whitby, 34-36 fathoms 

 (M.B.A.). 



