VOLUME I 



MYXOPHYCE^:, PERIDINIE^E, BACILLARIE^, 



CHLOROPHYCE^E, TOGETHER WITH A BRIEF 



SUMMARY OF THE OCCURRENCE AND 



DISTRIBUTION OF FRESHWATER ALGJE 



BY 



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



MASON PROFESSOR OF BOTANY IN THE UNIVERSITY OF BIRMINGHAM 



Cambridge : 



at the University Press 



1916 



