W. WEST AND G. S. WEST: ALGA-FLORA OF YORKSHIRE. 1 59 



Var. affinis Kiitz. 

 S.W.— Cusworth district (M. H. Stiles). 



Var. Pediculus Kiitz. [Syn. Amphora Pediculus (Kiitz.) 

 Grun. ; Amphora minutissima W. Sm.]. 

 S.W. — Heaton. Hatfield district ; Doncaster town water ; 

 Roche Abbey (M. H. Stiles). 

 N.W.— Mickle Fell. 

 N.E.— Staithes. 



S.E. — Beverley; Cottingham ; near Woodmancy ; Newbald 

 (G. Norman). 



799. Amphora Normanii Rabenh. 



S.E. — Hull (G. Norman). Growing on wall of greenhouse. 



800. Amphora hyalina Kiitz. 

 S.W.— Goole (E. Hunter). 



Genus CYMBELLA Ag., 1830. 



801. Cymbella Ehrenbergii Kiitz. 



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

 Mid W. — Malham Tarn. 

 N.E. — Scarborough Mere. Seamer. 



S.E. — Hornsea Peat Deposit; Cottingham; Spring Ditch 

 (G. Norman). 



802. Cymbella cuspidata Kiitz. 



S.W. — Greetland, near Halifax. Roche Abbey (J. N. 

 Coombe). Swill Hill. Ogden Clough. Liversedge ! (Rev. W. 

 Fowler). Cragg Vale, towards Blackstone Edge. Askern and 

 Cusworth districts (M. H. Stiles). 



Mid W. — Adel Bog. Rombald's Moor. Harrogate ! (G. Nor- 

 man). Near Norwood Hall, above Lindley Reservoir. Eldwick. 

 Ribblehead. Boston Spa. Cocket Moss, near Giggleswick. 

 Hawksworth Springs. Ilkley. 



N.E. — Levisham. Terrington. Saltersgate (G. Norman). 



S.E. — Beverley. Tickton. Cottingham (G. Norman). 

 Var. naviculiformis Auersw. 



S.W. — Cusworth, Hatfield, and Roche Abbey districts (M. H. 

 Stiles). 



