WEST: ADDITIONS TO THE ALGiE OK WEST YORKSHIRE. 89 



Hyalotheca dissiliens Ralfs. Ingleborough. 

 Docidium ehrenbergii Ralfs. Cullingworth ; Wigton Moor ; 

 near Mirfield. 

 *Var. granulatum Ralfs. Wigton Moor. 

 Docidium clavatum Kiitz. Roundhay ; W. B. Turner. 

 *Bambusina brebissonii Kiitz. Ingleborough ; Cullingworth. 

 *Closterium obtusum Breb. Cullingworth. 

 Closterium lunula Ehr. Allerton, very large forms, up to 108 p 



broad, occurred in a horse-trough. 

 Closterium acerosum Ehr. Saltaire ; Keighley. Baildon ; 



Frizinghall ; W. and G. S. West. 

 Closterium lanceolatum Kiitz. Cullingworth ; Heaton ; Aller- 

 ton ; near Keighley. Rombald's Moor ; Frizinghall ; W. and 

 G. S. West. 

 ^Closterium gracile Breb. Wigton Moor. 

 Closterium ehrenbergii Meneg. Near Keighley; Baildon. 



Rombald's Moor ; Manningham ; W. and G. S. West. 

 Closterium moniliferum Ehr. Near Cautley Spout. Rombald's 

 Moor ; W. and G. S. West. Marley ; Baildon ; Penyghent ; 

 G. S. West. 

 ^Closterium leibleinii Kiitz. Wigton Moor; Keighley. Baildon; 

 W. and G. S. West. Frizinghall ; G. S. West. Fine typical 

 examples were obtained at the last place from under the ice in 

 winter. Near Mirfield. 

 Closterium dianae Ehr. Wigton Moor. Eldwick ; Rombald's 



Moor ; Adel Bog ; W. and G. S. West. 

 Closterium venus Kiitz. Wigton Moor. Frizinghall; G. S. West. 

 Closterium striolatum Ehr. Eldwick; Wigton Moor; Frizing- 

 hall. Rombald's Moor ; Adel Bog ; W. and G. S. West. 

 Closterium juncidum Ralfs. Wigton Moor. 

 Closterium lineatum Ehr. Wigton Moor. Baildon ; W. and 

 G. S. West. 

 *Closterium ralfsii Breb. Cullingworth. 

 Closterium rostratum Ehr. Cullingworth. Eldwick; W. and 



G. S. West. Wigton Moor. 

 Closterium setaceum Ehr. Wigton Moor. 

 *Closterium kiitzingii Breb. Goole ; W. B. Turner. 



Closterium acutum Breb. Cullingworth. 

 "^Closterium subulatum (Kiitz.). Rombald's Moor; W. and 

 G. S. West. 



March 1680. 



