32 



Astarte COmpressa, Mont. Off Eedcar (D. F.). 



TUPtonia minuta, Fabr. Redcar. "In the pretty rock-pools 

 on the smaller algse " (D. F.). 



Kellya SUbOPbicularis, Mont. Redcar. "This species is 

 very variable in form and size, and is found at the roots 

 of Laminaria digitata, and in old shells. We generally 

 find it on Salt Scar, though at dead low water mark on 

 West Scar we meet with it " (D. F.). A dead specimen 

 dredged in Tees Mouth (J. H.). 



Lasaea rubra, Mont. Redcar (J. H.). 



Eucardium echinatum, L. Redcar (W. C. H.). Ferguson 

 says that several varieties of this species are occasionally 

 brought in with the fishing lines. 



Euearduim (Cerastoderma) edule, L. Tees Mouth 



(D. F.), Redcar (J. H.), Saltburn, common I'M. L. T.), 

 Staithes (J. H.). 



Cyprina islandica, L. Redcar (J. H.), off Redcar. "In 

 deep water ; common, and after a storm washed up in 

 large numbers on the Coatham Sands " (D. F.), Saltburn, 

 common (M. L. T.). 



Dosinia exoleta. L. Off Redcar (D. F.), Redcar (W. 

 C. H.), Saltburn (J. H.). 



Dosinia lupinus, L. (D. Unda, Pult.) Redcar (W. C H.), 

 Tees Mouth (M. L. T.). 



Chione (Chamelsea) gfallina. L. Redcar, " rather rare " 

 (D. F,), (J. H.). Dredged in Tees Mouth (J. H.), 

 Saltburn, common (M. L. T.). 



Chione (Timoclea) OVata, Penn. Redcar, " rather rare " 

 (D. F.). 



LucinopsiS undata, Penn. Off Redcar (D. F.), Redcar 

 (W. C. H). 



Tapes virgrineus, L. Redcar, "rather rare" (D. F.) 

 (W. C. H.). 



Tapes (Amyg-dala) deeuSSatUS, L. Redcar, "rather 

 rare" (D. F.). 



Tapes (Pullastra) pullastra, Mont. Redcar, "rather 



rare" (D. F.) (J H.j Saltburn, common (M. L. T.). 



var. perfurans, Mont. Redcar. "In every part of our 



rocks ; it does not appear to bore its own hole, but 



merely to occujiy the holes bored by the Pholai " 



(D. F.). 



