W. WEST AND G. S. WEST: ALGA-FLORA OF YORKSHIRE. 207 



N.E. — Scarborough Mere. Staindale. Carlton Bank. 

 S.E. — Beverley. Cottingham; River Hull; Market Weighton 

 Canal; Wawne (G. Norman). 



985. Surirella linearis W. Sm. 



S.W.— Roche Abbey (J. N. Coombe; M. H. Stiles). Marley, 

 near Bingley. CuUingworth. Greetland, near Halifax. Ogden 

 Clough. Cragg Vale, towards Blackstone Edge. 



Mid W. — Adel Bog. Eldwick. Kildvvick. Appletreewick. 

 Leathley. Black Hill, near Settle. 



N.W. — Whernside. Mickle and Cronkley Fells. Great 

 Shunnor Fell. Lund's Fell. 



N.E.- — Staindale. Terrington. Carlton Bank. 



S.E. — Cottingham; Beverley Parks; Wawne; Hornsea Peat 

 Deposit; Market Weighton Canal (G. Norman). 

 Var. constricta Grun. 



N.W.— Baugh Fell. 



986. Surirella elegans Ehrenb. 



[Syn. Campylodisciis elegans (Ehrenb.) Rabenh.]. 

 Mid W.— River Skell, Fountain's Abbey (G. Stuart; E. 

 Grove). 



S.E.— Hull (G.Norman). 



987. Surirella robusta Ehrenb. [Syn. 3'.;2ci5///.f W. Sm.]. 

 Mid W. — Cocket Moss, near Giggleswick. Bowland Knotts. 

 N.W.— Mickle Fell. 



N.E. — Terrington. 



S.E. — Hornsea Peat Deposit ; Stoneferry ; Cottingham ; 

 Market Weighton Canal (G. Norman). 

 Var. splendida (Ehrenb.) V.H. 



[Syn. 5. splendida (Ehrenb.) Kiitz.]. 



S.W. — Doncaster town water; Rossington (M. H. Stiles). 

 Horton Park. 



Mid W.— Markington (Rev. J. S. Tute). Harrogate. 



N.E. — Strensall. Scarborough Mere. 



S.E.— Beverley. Spring Ditch ; near Stoneferry ; Market 

 Weighton Canal (G. Norman). 



