96 west: additions to the alga; of west Yorkshire. 



Oscillaria limosa Ag. Frizinghall ; W. and G. S. West. Peny- 

 ghent ; G. S. West. Malham. 



*Var. chalybea K. Rombald's Moor; Hawksworth ; W. and 

 G. S. West. 

 Oscillaria nigra Vauch. Add Bog ; Baildon ; W. and G. S. West. 

 *Oscillaria chalybea Mertons. York ; F. Bewlay. This was 

 sent to me as 'a pest in a conservatory.' Near Keighley. 

 Oscillaria frblichii Kiitz. Baildon ; Wigton Moor. 

 *Lyngbya vulgaris Kirch. Fforton Park near Bradford ; W. and 



G. S. West. 

 *Lyngbya papyrina Kirch. Near Bradford. 

 *Lyngbya turfosa Carm. Doncaster. 



Class III.— RHODOPHYCE/K. 



Fam. II.— CHANTRANSIA CEjE. 



Chantransia violacea Kiitz. Horton Park ; W. and G. S. West. 

 This was very fine among Rhyncliostegium rusciforme B. & S. 



Class V.— DIATOMOPHYCE^E. 

 Fam. l.—OIATOMACE/E. 

 Epithemia turgida Sm. Cautley Spout. 

 *Epithemia gibba Kiitz. Cullingworth. 

 *Epithemia argus Kiitz. Near Bradford ; Cullingworth. 

 *Epithemia alpestris Sm. Cullingworth. 

 Amphora ovalis Kiitz. Marley ; Cullingworth ; near Keighley. 

 Cocconeis placentula Ehrenb. Marley. 

 *Cyclotella kutzingiana Thw. Cullingworth. 

 Campylodiscus spiralis Sm. Marley. 



Surirella biseriata Breb. Saltaire ; Marley ; G. S. West. Add 

 Bog ; Leeming ; etc. ; W. and G. S. West. 

 *Surirella linearis Sm. Marley ; Eldwick ; Kildwick ; Culling- 

 worth. Add Bog; W. and G. S. West. 

 *Surirella splendida Kiitz. Horton Park ; W. and G. S. West. 

 Surirella ovata Turp. Chellow Dean; W. and G. S. West. 

 Gooie. 

 *Surirella angusta Kiitz. Chellow Dean ; W. and G. S. West. 

 *Surirella minuta Breb. Allerton ; Marley. Horton Park ; 



W. and G. S. West. 

 *Surirella pinnata Sm. Eldwick. Near Bradford ; Chellow Dean ; 

 W. and G. S. West. 



Naturalist, 



