46 NELSON AND TAYLOR : ON YORKSHIRE MOLLUSCA. 



Dr. Martin Lister, in his ' Historiae Animalium Anglise,' 

 published in 1678, gives at p. 145 several Yorkshire localities 

 for this species, which we give under the several districts. 



3. Vale of York — I have found it at different times in stagnant waters round 



York, and in great plenty in the ditches by the river Derwent near 

 Bubwith Ferry, Dr. Martin Lister, 1678 ; teems in Askham Bog, 

 W. C. Hey ; in profusion in all ponds round York, W. C. Hey, 

 1879 ; near Knavesmire ! ditch, Huntington near York ! general 

 and abundant about York, particularly in the many small ponds 

 in the corners of fields near Bootham Junction Signal-box, R.M.C. ; 

 Bootham Stray ! pond near Dringhouses ! Bishopthorpe ! Towton ! 

 ditch, Woodhall Bridge near Wetherby ! Sicklinghall, numerous ! 

 stream opposite the Bishop Dyke near Sherburn ! Streethouses 

 near Tadcaster ! ditch at Wetherby, associated with Physa hyp- 

 noruml pond at Wetherby, J. Emmet; Newton Kyme, H.C. ! 

 ditch near Tadcaster ! abundant in roadside ditches east of Braffer- 

 ton, W.D.R. ! Biggin! Wetherby, common, W.D.R. ! Wighill, 

 F. G. Binnie ; Ferrensby near Knaresborough ! Minskip near 

 Boroughbridge ! Strensall Common ! common in dykes at Church 

 Fenton aud Ryther, H.P. 



4. Number — Ditch, Ermine-street near Castleford, associated with Linmaa 



glabra and Physa hypnorum ! Swinefleet ! ditch, Barlow Common 

 near Selby ! dyke by the river side, Carlton near Snaith ! pond at 

 Camblesforth I Goole, W.D.R. ! ditch. Burton Salmon ' Breighton 

 near Wressle, J.D.B. ; Ferrybridge, J.W. ; Knottingley, J.W. ; 

 ditch by the railway, Milford ! 



5. Hatfield and Thorne — Pond near Doncaster ! ditches near Blaxton 



Grange, common, May 14, 1883 ! abundant in I'oadside ditches, 

 Sampson's Lane, Hatfield Chase, April 14, 1883, W.D.R. ! 



6. Trent — Rather frequent in the ditches and marshes called Pottery Carr, 



Dr. Martin Lister, 1678 ; Conisborough, J.W. 



7. Went Vale — PoUington ! Ackworth, common in stagnant pools, C.A., 



1854 ; in Hepworth's pond near Low Ackworth, G. F. Linney ; 

 Hessle Green near Ackworth, March 19, 1882 ! near Plantation, 

 Ackworth, H. Richardson ! Hessle near Ackworth, H. Richardson ! 

 Askern, H.S. I moss near Askern ! mole hills, Askern ! ditch near 

 Balne Moor, September, 1877 ! ditches in Cowick Park, W.D.R. ! 

 a few specimens in a pond on right hand side of road past Wake- 

 field quarry, G. F. Linney ; Nostell, 1864, J.W. ; Campsall Park 

 pond, 1865-83, J.W. ; Went Bridge, J.W. ; Smeaton, J.W. 



8. Dearne—Ca.na.\ at Royston, March 29, 1868 ! Worsborough, H.C. ! 



Cudworth, in dykes, J.W. ; Darton, J.W. ; Bretton Hall, J.W, 



9. Don — Ingbirchworth reservoir, J.W. 

 10. Colne — Canal near Huddersfield 1 



Trans.Y.N.U., 1883 (pub. 1885). Series C 



