HEY : YORKSHIRE MARINE SHELLS. 



29 



is very plentiful near Eston, Avith the valves still /;/ situ^ and also 

 occurs at Scarborough. 

 Syndosmya prismatica Mont. 



Dredged off Cayton Bay, between Filey and Scarborough, 

 June 1882. Also got at Redcar. 

 Syndosmya alba V\'ood. 



After a long storm from the north in November, 1878, the 

 beach at Coatham was in places quite white with this pretty shell 

 One specimen I obtained then measures — L. 0.7, B. i.e. The 

 dimensions given by Jeffreys are L. 0.5, B. 0.8. 

 Syndosmya tenuis ]\Iont. 



This shell may generally be got at the mouth of the Tees, 

 near Eston, where the water is brackish. Sometimes it is left 

 abundantly at high-water mark. 



TELLINID.-E. 



Tellina Balthica L. 



An abundant shell where there is mud at low-water mark. 

 Common in Bridlington Harbour. Scarborough (North sands). 

 This is one of the few shells found plentifully in the basement 

 clay at Bridlington. 

 Tellina tenuis L. 



Very common at Redcar. Also at Saltburn, Filey, &c. 

 Tellina fabula Gron. 



Similarly distributed. 

 Psammobia tellinella Lam. 



I obtained a single specimen at Bridlington Quay many years 

 ago ; and there is one in Scarborough IMuseum obtained at that 

 place. 



Psammobia Ferroensis Chemn. 



This charming species is unusually abundant on the Yorkshire 

 coast. Very rough weather brings it up alive on Coatham beach 

 in numbers. It can also be obtained very plentifully by dredging 

 off Filey. 

 Donax vittatus Da Costa. 



Very common on all sandy shores, as at Redcar, Filey, and 

 Bridlington. 



VENERID.E. 



Venus striatula Donov. 



Common on sandy beaches, particularly so at Redcar and 

 Filey. The specimens vary greatly in colour and markings. 

 Venus ovata Penn. 

 Venus fasciata Da Costa. 



These shells are quoted from Scarborough on Bean's authority. 



Sept. 1884. c 2 



