

A MONOGRAPH 



OP THE 



BRITISH DESMIDIACE^l 



BY 



W. WEST, F.L.S., 



Ex-president of the Yorkshire Naturalists' Union; 

 Lecturer in Botany, Biology, and Bacteriology at the Technical 



College, Bradford ; 



AND 



G. S. WEST, M.A., F.L.S., A.R.C.S., 



Professor of Natural History at the Royal Agricultural College, Cirencester ; 

 Formerly Scholar and Hutchinson Research Student of St. John's 



College, Cambridge 



VOLUME II 



LONDON 

 PRINTED FOR THE RAY SOCIETY 



1905 



