THE 
BRITISH 
FRESHWATER RHIZOPODA 
AND 
HELIOZOA 
BY 
JAMES CASH 
AND 
GEORGE HERBERT WAILES, F.L.S. 
ASSISTED BY 
JOHN HOPKINSON, F.L.S., F.Z.S., F.R.M.S. 
Secretary of the Ray Society 
VOLUME IV 
SUPPLEMENT TO THE RHIZOPODA 
BY 
G. H. WAILES 
AND 
BIBLIOGRAPHY 
BY 
JOHN HOPKINSON 
LONDON 
PRINTED FOR THE RAY SOCIETY 
‘1919 
