TESTACEOUS MOLLUSCA. 63 



Pecten similis, Laskey. 



Valves only from dredgings off Puffin I. ('' Hyaena "), 

 Southport, Bay Fine (common), and in Central area. 



Lima loscombii, Sow. see Eep. I. since taken alive. 



Two living at Bull Bay in 20 fms. (F.A.) : also alive 

 off Bradda Head and Bay Fine (F.A.). 



\ Pinna rudis, L. 



The keeper of the cave on the Gt. Orme's Head shows 

 a large specimen said to have been dredged 7 or 8 

 miles off shore. Query — British at all?j 



Mijtilus modiolus, L. 



Many dredged living 5 miles off Fleetwood : living off 

 Port Erin (F.A.). 



Mytilus harhatus, L. 



Many off Fleetwood with the last. 



Modiolaria marmorata, Forb. 



Common near Southport in tests of Ascidians and in 

 Alcyonium digitatiim (G.W.C.) : also in Ascidians 

 off Fleetwood. 



Modiolaria discors, L. 



Abundant in rockpools, Moelfre Bay, and occasional 

 at Bull Bay (F.A.) : Southport, rare in Alcyonium 

 (C.H.B.). 



Nucula nucleus var. radiata, F. and H. 



Commoner than type at Port Erin (F.A.) : fairly c. 

 ahve in central area : Bull Bay, occasional (F.A.). 



Nucula nitida, Sow. 



Has now occurred commonly alive at Tynygongl, Bull 

 Bay (F.A.), Carnarvon Bay ('' Hysena," 1890), and in 

 central area : rare alive Birkdale (G.W.C.) : Port Erin 

 occasional (F.A.). 



Leda 7mnuta, Miill. 



Carnarvon Bay, alive (" Hyaena," 1890): abundant 

 hving off Amlwch (F.A.) : occas. living in central area. 



