S4 

 Mya truneata, L. Tees Mouth (D. F.), Saltburn (J. H.). 



Mya arenaria, L. Tees Mouth (D. F.) (W. C. H.). 



Corbula gibba, Olivi. Off Redcar (D. F.). 



Saxieava norveg'ica, Speng. Redcar. " We have only met 

 with two specimens of this rare species from deep water " 

 (D. F.). 



Saxieava PUgrosa, L. Redcar (D. F.) (J. H.), Saltburn, 

 common (M. L. T.), Staithes (J. H.). 



Holopholas (Barrea) Candida, L. Tees Mouth, common 

 (M. L. T.). 



Holopholas (Zirfsea) erispata, L. Redcar. "In all our 

 soft rocks" (D. F.) (W. C. H.), Saltburn, common 

 (M. L. T,). 



Xylophaga dorsalis, Turton. " We once found it in an 

 old piece of Avood washed up near Huntcliffe " (D. F.). 



Teredo nOPVeg'iea, Spengler. Dredged in Tees Mouth, 

 1889 (W. Y. Veitch). 



Lueina borealiS, L. Redcar (D. F.), Saltburn (M. L. T.). 



Eutellina (Ang-ulus) fabula, Gron. Redcar (D. F.) (W. 

 C. H.), Saltburn (M. L. T.). 



Tellina tenuis. Da Cos. Redcar (D. F.) (J. H.), Saltburn, 

 common (M. L. T.). 



MaCOma balthica, L. Tees Mouth, common (J. H.), Redcar 

 (D. F.) (J. H.). 



Scrobicularia piperata, Gmel. Tees Mouth (D. F.) (M. L. 



T.), Redcar (W. C. H.). 



Syndesmya prismatica, Mont. Off Redcar. " Frequent 

 in deep water, and that excellent conchologist, the 

 haddock, often contains in its stomach this interesting 

 ?heir' (D. F.). 



Syndesmya alba. Wood. Redcar (W. C. H.). 



Syndesmya tenuis, Mont. Redcar (W. C. H.). 



