THE 
BRITISH 
FRESHWATER~ RHIZOPODA 
AND 
HELIOZOA 
BY 
JAMES CASH 
ASSISTED BY 
JOHN HOPKINSON, F.LS., F.R.MS., Erc. 
Y Secretary of the Ray Society 
VOLUME I 
RHIZOPODA, PART I 
LONDON 
PRINTED FOR THE RAY SOCIETY 
1905 
