98 WEST : ADDITIONS TO THE ALGjE OF WEST YORKSHIRE. 



Navicula angustata Sm. Cautley Spout. Chellow Dean ; 



W. and G. S. West. 

 Pinnularia major Sm. Eldwick ; near Bradford ; etc. 

 Pinnularia cardinalis Ehr. Doncaster. Adel Bog ; W. and 



G. S. West. 

 Pinnularia nobilis Ehr. Cullingworth ; Baildon ; Austwick ; 

 Doncaster. Marley ; G. S. West. Rombald's Moor ; W. and 

 G. S. West. 

 Pinnularia viridis Sm. Ilkley. Kildwick, etc. 

 Pinnularia radiosa Sm. Cautley Spout. 

 *Pinnularia alpina Sm. Cullingworth. 

 * Pinnularia stauroneiformis Sm. Eldwick; Wigton Moor. 

 *Pinnularia gibba Ehrenb. Cullingworth ; Wigton Moor. 



Pinnularia mesolepta Sm. Marley ; Cullingworth. 

 ^Pinnularia acrosphaeria Rabenh. Eldwick. 

 Stauroneis linearis Ehrenb. Marley. 



Pleurosigma lacustre Sm. Chellow Dean ; W. and G. S. West. 



Pleurosigma spencerii Sm. Manningham ; W. and G. S. West. 



*Synedra lunaris Ehrenb. Cullingworth ; Sedbergh ; Wigton 



Moor. Chellow Dean ; Baildon ; Adel Bog ; W. and G. S. 



West. Penyghent, etc. ; G. S. West. 



Synedra ulna Ehrenb. Doncaster. Woolley. Kildwick. 



Ilkley, etc. 

 Synedra splendens Kg. Austwick ; Sedbergh ; Elslack ; Don- 

 caster ; Goole ; Marley. 

 ^Synedra oxyrhynchus Kiitz. Cullingworth. 

 *Cocconema cistula Ehrenb. Rombald's Moor ; W. and G. S. 

 West. Cautley Spout. 

 Cocconema parvum Sm. Wigton Moor. 



Gomphonema acuminatum Ehrb. Sedbergh ; Wigton Moor. 

 Gomphonema capitatum Ehrb. Near Mirfield ; Cullingworth. 

 Gomphonema tenellum Kiitz. Marley. 

 Gomphonema curvatum Kiitz. HortonPark; W. and G. S. 

 West. 

 ^Gomphonema ventricosum Greg. Cautley Spout. 

 Meridion circulare Ag. Elslack. Woolley. Howgill Fells. 

 Saltaire ; Marley ; etc. ; G. S. West. 

 *Himantidium arcus Sm. Cullingworth ; Cautley Spout. 

 *Himantidium majus Sm. Cullingworth. 



Naturalist, 



