90 JOURNAL OF CONCHoLOGV, VOL. I3, NO. 3, JULY, I9IO. 



Scarborough and Filey. It is most easily found crawling over smooth 

 stones in shallow pools. 



var. fasciata Jeif.— Filey (T.P.). 



Gibbula magus (Linne). — "Two or three specimens have been 

 found on the sands (Redcar ?) but it is a very doubtful native " (D.F.) ; 

 Scarborough, dead specimens, "possibly introduced" (Bean). 



Gibbula tumida (Montagu). — Off Scarborough, very large 

 (L. & M.); one in shellsand, Sandsend (M.V.L.) ; frequently to be 

 had from trawl ropes of vessels in Scarborough harbour ; dredged, 

 Bridhngton Bay (VV.C.H.) ; offshore area to the Dogger (M.B.A.). 



Gibbula cineraria (Linnd). — Abundant. 



var. electissima Bean. — Dogger Bank (L. & M.). 



Calliostoma montagui (W. Wood). — Dogger Bank (L. & M.); 

 must be fairly common in deep water near Scarborough. 



Calliostoma zizyphinus (Linne). — Widely distributed. 



var. lyonsi Leach. — Dogger Bank, many (Parke, L. & M.) : 

 Scarborough. 



Calliostoma OCCidentale (Mighels). — Three fine living examples, 

 40 fathoms, eighty-five miles north-east by east of Scarborough 

 (L. & M.) ; off Withernsea in 20 fathoms (M.B.A.). 

 var. pura Jeff. — Dogger Bank (Marshall). 



Delphinoidea nitens (Philippi). — Shellsand, Scarborough. 



Delphinoidea serpuloides (Montagu). — Scarborough (Bean). 



Lacuna crassior (Montagu). — Dogger Bank (L. & M.); small 

 form, common, Sandsend (M.V.L.) ; rare at extreme low water mark, 

 Scarborough; frequent in trawl ropes; Holmpton (T.P.). 



Lacuna divaricata (Fabricius). — Common on Laminaria. 



Lacuna parva (daCosta). — A few, Sandsend (M.V.L.); Scar- 

 borough (Bean). 



var. conica Jeff. — Scarborough (Bean). 



Lacuna pallidula (daCosta). — Redcar (J.H.) ; Saltburn 

 (W.C.H.); common, Sandsend (M.V.L.) ; abundant at extreme low 

 water mark, Scarborough and Filey. 



Littorina obtusata (Linne). — Common, except the banded 

 form, which is rare. 



var. neritiformis Brown.— Staithes (J.H.); Scarborough and 

 Filey. 



var. fabalis Turton. — Scarborough (Bean); Filey. 

 (This variety is a play upon the name of the great Scarborough 

 conchologist, Bean. It was altered to beanii by Macgillivray, but has 

 been retained in all recent lists). 



Littorina neritoides (Linne). — A few young, Sandsend (M.V.L.); 

 Scarborough (Bean). I have not been able to find this species nor 

 has the Rev. W. C. Hey, who told me he sought carefully for it in 



