HARGREAVES : MARINE MOLI.USCA OF YORKSHIRE COAST. 85 



Lepton nitidum Turton. — Scarborough (Bean), 

 var. convexa Alder.— Scarborough (Bean). 



Syndosmya prismatica (Montagu). -Generally distributed. 



Syndosmya nitida (Miiller). — Dogger Bank (L. & M.); Brid- 

 lington Bay as a food for dabs (M.B.A.). 



Syndosmya alba (Wood). — Common. 



Syndosmya tenuis (Montagu).— Redcar (W.C.H.) ; rare, Scar- 

 borough (Bean) ; Tees mudflats, Eston ( Victoria History). 



Scrobicularia plana (daCosta). — Tees mouth (D.F. and 

 M.L.T.); Redcar (W.C.H.); living in Scarborough harbour, very 

 dirty and discoloured ; Skeffbrig to Spurn (T.P.). 



Tellina crassa (Gmelin). — Scarborough (Bean) ; occasionally 

 brought into Scarborough harbour, by trawlers, alive. 



Tellina donacina Linne. — Dogger Bank (M.B.A.); Scarborough 

 (Bean). 



Tellina pusilla Philippi. — Dogger Bank (L. & M.) ; off Scar- 

 borough, 30 fathoms (Brady) ; Scarborough (Bean). 



Tellina tenuis daCosta. — Common. 



Tellina fabula Gronovius. — Fairly common. 



Macoma balthica (Linne). — Tees mouth, common (J.H.); 

 Redcar (D.P'.); a few, Sandsend (M.V.L.); common at Filey, large 

 near the Brig (W.C.H.). 



Probably most of the above records should fall under the var. 

 carnaria. 



var. carnaria Pennant. — Filey ; Scarborough. 



[Macoma calcarea (Chemnitz). — An imperfect valve in appar- 

 ently semi-fossil condition, off Scarborough (Jeff.)]. 



Donax vittatus (daCosta). — Common, but somewhat local, 

 var. nitida Jeff — Dogger Bank, 15 fathoms ; fully half infested 

 with peacrab (L. & M.). 



Mactra stultorum Linne,— Common. 



var. cinerea Montagu. — Dogger Bank (L. & M.) ; Filey, not 

 uncommon. 



Spisula solida (Linne). — Dogger Bank (L. & M. and Jeff.); 

 Coatham sands (W.C.H.); young shells not uncommon in shellsand, 

 Scarborough, and adults some distance out. 



Spisula elliptica (Brown). — Dogger Bank (Brady, Parke, and 

 L. & M.); Redcar (W.C.H.); South Bay, Scarborough. 



Spisula subtruncata (daCosta). — Tees mouth (J. H.); Redcar 

 (D.F.), very abundant (W\C.H.); Scarborough (Bean); offshore from 

 Flamborough southwards (M.B.A.). 



Lutraria elliptica Lamarck. — Tees mouth (D.F,) ; Redcar 

 (W.C.H.); at Coatham, sometimes in numbers (W.C.H.); Saltburn 



