IVes^ : Phytoplankton of English Lake District. 



187 



Fig-. 2. AC.^ — Rhizosol ema- 

 morsa W. & G. S.West, from the 

 plankton of Thirlmere. X 430. 

 C is a portion of a cell containing 

 a resting spore {s). 



1909 May 1. 



