130 YORKSHIRE NATURALISTS UNION. 



Genus DICTYOSPH.^iRIUM Nag., 1849. 



627. Dictyosphserium Ehrenbergianum Niig. 

 S.W.— Bradford. 



Mid W.— Baildon. Cam Fell, 

 N.^^^— Mickle Fell. 

 N.E. — Scarborough Mere. Strensall. 

 S.E. — Hornsea Mere. Newsholme. 



628. Dictyosphsrium pulchellum Wood. 



S.W. — Near Bradford, in profusion amongst Scenedesmiis 

 bijiigatus. 



Mid W. — Cocket Moss, near Giggleswick. 

 N.w— Cowgill Wold Moss, Widdale Fell. 

 N.E. — Terrington. 

 S.E. — Skipwith Common. 



629. Dictyosphserium oviforme Lagerh. 



Mid W. — Abundant in pond near Boston Spa (iv. 1897). 



N.E. — Pilmoor, near Thirsk. 



This species has not previously been recorded for the British 



Isles. 



Genus INEFFIGI.\TA West & G. S. West, 1897. 



630. IneiiEigiata neglecta West & G. S. West, 1897. 

 S.W. —Near Bradford. 



Mid A\'. — Malham. Markington ! (Rev. J. S. 'I'ute). Wigton 

 Moor. Bog, two miles south of Clapham. Roundhay Park, 

 Leeds. Staveley Dam, near Knaresborough. 



N.E.— Strensall. Pilmoor, near Thirsk. Malton. 



S.E. — Riccall Common. 



Sub-Family Gl^ocystid^. 

 Genus OOCARDIUM Nag., 1849. 



631. Oocardium stratum Nag., 1849. [Syn. ? Litho- 

 fiema Crustacea Hass. ; Riviilaria Crustacea Carm.J. 



Mid A\'. — On stones in stream, Gordale, abundant. Austwick. 

 Genus NEPIIROCVTIU.M Nag., 1849. 



632. Nephrocytium Agardhianum Nag. 

 N.W.— Mickle Fell. 



Trans. Y.N.U., 1899 (pub. July 1901). Bot. Series, Vol. 5. 



