LAND AND FRESH WATER MOLLUSCA OF THE EAST RIDING. 1 59 



Holderness.— Driffield Canal (L. B. Ross and J.D.B. circular 145). 

 Figham ; Swinemoor ; Long Lane; Leckonfield Moat (J.D.B. 3). 

 New Holland, near Meaux (W.D.R. in N. & T.). Hull district, 

 common (J.D.B. 1). Xewland, near Hull (N. & T.). Hornsea 

 Mere (Y.N.U. 188 1 ; C. Reid, p. 83); "reaches usually large 

 dimensions" (F.W.F. Fretwell's Guide and circular 150). Ditches 

 near Wassand (J.D.B. 2). Hedon ; Sutton; Dunswell ; Ryhill 

 drain; Aldborough ; moderately common (T.P.). Withernsea 

 (F.W.F. circulargg). Skidby Drain (J.W.B.). " Abounds" (E. P. B.). 



Amphipeplea glutinosa (Mull.). 



Holderness.— Skidbv drain, near Hull, found by Mr. J. F. Robinson, 

 Oct. 1SS9 (F.W.F., J. of C. 6, pp. 251-53 ; Taylor Mon. I. 

 p. 202 ; &c. ), not seen recently (J.W.B. and T.P.). 



Limnsea peregra (Mull.). 



Derwentland.— York : abundant (S.W.N.) ; a dwarf form abounds in 

 deepish water in the Ouse (R.M.C.). Naburn Lock (J. Grassham) ; 



Barlby, common on bank of Ouse (W.D.R.) ; Hemingborough ; 



Harlethorpe, near Bubwith (N. & T.). Wressle, common (G.R.). 



Newport ; Cowbridge ; Sandholme ; Ousethorpe ; Featherbed Lane ; 

 Wressle Castle (Win. Nelson, J. of C. 5, pp. 262-267). Allerthorpe 



(Y.N.U. 1S93). Kirkham Abbey (Y.N.U. 1889). 

 Wolds.— Filey (Y.N.U. 1883; Y.N.U. 1903). Buckton pond, fine 



(W.C.H. circular 62, and " Flamborough " p. 137). Burlington 



(J.S.G.). Bemoton (W.C.H. ). Pond near Danes Dyke House 



(Y.N.U. 1S86).' Flamborough (F.W.F. circular 116). North 



Grimston, abundant and fine (Y.N.U. 1902). Sledmere (Y.N.U. 



1891). Kildwick Percy (Y.N.U. 1885; circular 106). Londesborough 



(Y.N.U. 1SS0; J.D.B. circular 75). Riplingham (F.W.F., Kew's 



"Dispersal of Shells," p. 10, and circular 157). Brough (J.D.B. 



circular 69; Y.N.U. 1901). Welton, pond at entrance to Dale, 



fine (J.D.B. 1). 

 Holderness,— Driffield canal (J.D.B. and L. B. Ross, circular 145). 



Leven canal (J.D.B. 1). Beverley, common and abundant 



everywhere ; fine in Leckonfield Moat, and ditch in Long Lane ; 



spire short and mouth wide, Figham and Pighill Lane (J.D.B. 3). 



Hornsea, generally distributed, but not very abundant (J.D.B. 2 ; 



Y.N.U. 1881 ; C.'Reid p. 83). Withernsea (F.W.F. circular 99). 



Saltend Common, Cattle pond (T.P. Trans. I. p. 104). Saltend, 



ditch inside the guard bank; Sunk Island (T.P. Trans. III., pp. 



33&41). Everywhere (T.P.). Everywhere (E.P.B.). Easington 



(Y.N.U. 1904). 

 Var. ovata Drap. :— Newsholme (J.B.). York district, not uncommon 



(R.M.C.). Hornsea Mere (?) (Y.N.U. 1881). Skidby drain (W. 



Nelson, J. of C. 6, p. 243). Bempton, extraordinarily large 



(W.C.H.). Grimston; Skeffling ; Sutton; Hedon; Lambwath 



stream (T.P. ). 

 Var. maritima Jeff. :^-Sunk Island (T. P.). 

 Var. inflata Kob. :— Hedon (T.P.). 



