86 JOURNAL OF CONCHOLOGV, VOL. I3, NO. 3, JULY, I9IO. 



(M.L.T.) ; young specimens in Soutli Bay, Scarborough, and at F"iley; 

 adults difficult to get though valves are common. 



Lucinopsis undata (Pennant).— Dogger Bank (L. & M. and 

 M.B.A.) ; at one time its numbers on Redcar beach almost rivalled 

 those oi Dos i Ilia hi/yia a {\N.C.Yi..); Scarborough (Bean); Bridlington 

 (Gyngell). 



Dosinia exoleta (Linne). — Dogger Bank (L. & M.) ; off Redcar 

 (D.F.); Redcar (W.C.H.) ; Saltburn (J.H.); dead specimens, Filey 

 Brig. 



Dosinia lupina (Linne). — Common as a rule. 



Venus fasciata (daCosta). — Moderately common off-shore. 



Venus casina Linne. — Dogger Bank (L. &M.); Scarborough 

 (Bean) ; occasionally brought alive into Scarborough, and a few have 

 been picked up in the harbour, thrown overboard from the trawlers. 



Venus verrucosa Linne. — " Rarely at Scarborough " (Bean) ; 

 Forbes & Hanley and Alder thought that " the specimens have been 

 imported with ballast." Mr. Harman, sen., has several valves from 

 fishermen which are said to have been got between Scarborough and 

 the Dogger. 



Venus ovata Pennant. — Common. 



Venus gallina Linne. — Common. 



var. laminosa Montagu. — Dogger Bank, 20 fathoms (L. & M.). 

 var. triangularis Jeff. — Filey, 

 var. gibba Jeff — Filey. 



Tapes virgineus (Linne). — Dogger Bank (L. & M.); Redcar, 

 rather rare (D.F. and W.C.H.); young specimens, Sandsend (M.V.L.); 

 young, alive on Filey Brig; fine specimens trawled off Whitby. 



Tapes pullastra (Montagu). — Locally common. 



var. perforans Montagu. — Redcar, in every part of our rocks 

 (D.P\); Scarborough; Filey. 



Tapes decussatus (Linnd). — Redcar, rather rare (D.F.) ; 

 Scarborough (Bean). 



Cardium aculeatum Linn^. — In deep water, 40-60 fathoms, off 

 Whitby (M.B.A.) ; Scarborough (Bean). 



Cardium echinatum Linnd. — Dogger Bank (L. & M.); Redcar 

 (W.C.H.); valves, five miles from Robin Hood's Bay (Brady); 

 obtained in numbers by Scarborough fishermen when trawling ; 

 young ones alive, Scarborough and Filey. 



var. expansa Jeff. — Dogger Bank (L. & M.). 

 Cardium exiguum Gmelin. — Five miles from Robin Hood's Bay 

 (Brady); shellsand, Scarborough ; Scarborough (Bean). 



Cardium fasciatum Montagu. — Dogger Bank (L. & M.) ; 

 common in shellsand, Sandsend (M.V.L.); shellsand, Scarborough 

 and Filey ; aUve, North Bay, Scarborough. 



