2oS YORKSHIRE NATURALISTS' UNION. 



988. Surirella striatula Turp. 

 S.W. — Goole (J. Harrison). 



S.E. — NearStoneferry; Market Weighton Canal (G. Norman). 



989. Surirella ovalis Breb. 



S.W. — Askern and Hatfield districts ; Doncaster town water ; 

 Firsby reservoirs (M. H. Stiles). Roche Abbey (J. N. Coombe). 

 Goole. Far n ley. 



Mid W. — Baildon. Saltaire. 



N.E. — Seamer. Staithes. Beast Cliff. 



S.E.^ — Near Stoneferry ; Hornsea Peat Deposit; Anlaby to 

 Hessle Road (G. Norman). 



Van ovata (Kiitz.) V.H. [Syn. Surb-ella ovata Kiitz.]. 



S.W. — Rossington (M. H. Stiles). Chellow Dean, Bingley. 

 Goole. Near Shipley. 



Mm W.— Roundhay ; South Milford (W. B. Turner). Harro- 

 gate (G. Norman). 



N.E.— Strensall. Whitby. Staindale. 



S.E. — Routh. Beverley. Near Meaux Abbey. River Hull ; 

 Skirlaugh ; Dairycoats ; Cottingham (G. Norman). 



Var. minuta (Breb.) V.H. [Syn. Surirella niiniita Breb.]. 



S.W. — Bradford. Allerton. Marlcy, near Bingley. Goole. 

 Heaton. Fixby. Coley, near Shelf. Liversedge ! (Rev. W, 

 Fowler). 



Mid W. — Above Eldwick. Bolton Woods. Harrogate. 

 Baildon. 



N.W.— Mickle Fell. Reeth. 



N.E. — Strensall. Seamer. Scalby Beck. 



S.E. — Routh. Beverley. Newsholme. Tickton. Near 

 Meaux Abbey. Waghen. 



Var. salina (W. Sm.) V.H. [Syn. Surirella salina W. Sm.]. 



S.E.— Waghen. 



Var. angusta (Kiitz.) V.H. 



[Syn. Surirella angusta Kiitz.; S. apiculata ^V. Sm.]. 



S.W. — Cusworth, near Doncaster (I) (M. H. Stiles). Chellow 

 Dean. Keighley Moor. 



Tran?. Y.N.U., igoi (pub. July igoi). IJul. Series, Vol. 5. 



