158 HULL SCIENTIFIC AND FIELD NATURALISTS' CLUB. 



Planorbis contortus (Linn.). 



Derwentland. — York district, common (S.W.N.) ; pretty common 

 (R.M.C.). Newsholme, White Rails Dyke (J. Beanland). 



Wolds.— Bridlington (J.S.G. ; G.R. and G. Wingate in N. & T.) Filey 

 (Y.N.U. 1903). Lowthorpe, Brace Bridge (Y.N.U. 1890). Marsh 

 near Kirkburn Gypsey Race (T. P.). 



Holderness. — Wansford (L. B. Ross in X. & T.). Swinemoor ; Figham ; 

 drift of Beverley Beck ; Kitchen Lane ; pond near England Springs ; 

 very abundant (J.D. B. 3). Meaux and Xew Holland near Meaux 

 (W.D.R. in X. & T.). Hornsea Mere (Y.X.U. 1881 ; C. Reid, 

 p. 83). Hull district, found with P. come us (J.D.B. 1). Xewland, 

 Cottingham Road, and Spring Dyke (J.D.B. in X. & T.). Haltem- 

 price Lane ; Sutton ; Hedon ; Keyingham drain ; not common (T.P. ). 



Subfossil. Hornsea (C. Reid, p. 82). Skipsea (T.P.). 



Bullinus hypnorum (Linn.). 

 Locally abundant in Derwentland and Holderness. 



Derwentland. — York district, common, but local (S.W.X.) ; very abun- 

 dant in the York district; Tilmire (R.M.C.). Harlethorpe, near 

 Bubwith ; pond near Breighton (N. & T. ). Wressle (G.R. ; J.B. in 

 X. & T.). Cowbridge ; Sandholme ; Featherbed Lane (W. 

 Nelson, J. of C. 5, pp. 262-67). 



Wolds.— Burlington (W.C.H.). 



Holderness.— Driffield, plentiful in R. Hull (L. B. Ross in N. & T.). 

 Drift of Beverley Beck ; Cherry Tree Lane ; Kitchen Lane ; 

 Commonbank Nook ; not common, disappears at times (J.D.B. 3). 

 Anlaby Road and Beverley Road, Hull (J.D.B. 1). Hornsea (Leeds 

 Conch. Soc, Yorkshire Weekly /W, July nth, 1903), Hedon, not 

 uncommon (T.P. Trans. I. p. 103). Ditch inside guard bank, 

 Saltend (T.P. Trans. III. p. 41). Haltemprice Lane; Dunswell ; 

 Ridgmont; Flinton ; local (T. P.). Endyke Lane (J. W.B.). Stream 

 near Hornsea Mere (E. P. B. ). 



Physa fontinalis (Linn.). 



Derwentland. — York district, common (S.W.N.) ; (W.C.H.) ; decidedly 

 less common than hypnorum (R.M.C.). Allerthorpe (Y.N.U. 1S93). 

 Ditch along the Ouse between Selby and Barlby (Y.N.U. 1875). 

 Riccall ; Hemingborough ; pond near Howden Station (N. & T.). 

 Wressle, Fleetdyke (G.R.)- Ousethorpe ; Sandholme (W. Nelson, 

 J. of C. 5, pp. 262-67). 



Wolds. — Flamborough, "a prevailing species" (W.C.H. circular 62). 

 Bridlington (Y.N.U. 1886; G. Wingate in N. & T.). Lowthorpe, 

 Brace Bridge (Y.X.LT. 1890). Londesborough (J.D.B. circular 75). 

 Brantingham (J.D.B. circular 69). Ellerker, near Brough (X. & T. ). 



