l68 YORKSHIRE NATURALISTS' UNION. 



S.W. — Manningham Park, Bradford. Cullingworth. Keigliley 

 Tarn. Cragg Vale, towards Blackstone Edge. 



Mid VV.— Adel Bog. Eldwick. Wigton Moor. Earl's Seat. 

 Whernside. Cocket Moss, near Giggleswick. Bolton Woods. 

 Bog two miles south of Clapham. Penyghent. Harrogate 

 (G. Norman). 



N.W.— Mickle Fell. Penhill Beacon. NearKeld. Cronkley 

 Fell. Up to 2 200 ft. in Swaledale. Bog near Widdale Beck. 



N.E. — Carlton. Lockton. Cleava Cliffs, north of Scalby. 

 Terrington. 



S.E. — Tickton. Near Meaux Abbey. Beverley. Skipwith 

 Common (Rev. W. Fowler ! ). Cottingham ; Spring Ditch ; 

 Skirlaugh ; Reservoir waterworks, Hull (G. Norman). 



838. Navicula Tabellaria (Ehrenb.) Kiitz. 



[Syn. Pinnularia Tabellaria Ehrenb. J. 

 Mid W. — Eldwick. Cocket Moss, near Giggleswick. Bog two 

 miles south of Clapham. 

 N.W.— Great Shunnor Fell. 

 N.E. — Lockton. Saltersgate (G. Norman). 



Var. acrosphseria Rabenh. 



[Syn. Pinnularia acrosphceria Rabenh. J. 

 Mid W.— Eldwick. 

 N.W.— Birkdale Tarn Moss. 

 N. E. — Terrington. 

 S.E.— Peat Deposit, Filey. 



839. Navicula gibba (Ehrenb.) Kiitz. 



[Syn. Pinnularia gibba Ehrenb.]. 

 S.W.— Cullingworth. 



Mid W. — Boston Spa. Wigton Moor. Eldwick. Horsforth. 



N.W. — Mickle and Cronkley Fells. Great Shunnor Fell. 

 Great Sleddale. 



N.E. — ^Lockton. Terrington. Pilmoor, near Thirsk. Salters- 

 gate (G. Norman). 



S.E. — Risby Pond ; Haltenprice ; Cottingham (G. Norman). 



Trans. Y.N.U., igoi (pub. July 1901). Hot. Series, Vol. 5. 



