7J. II 



C i 



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 



SUPPLEMENT TO THE RHIZOPODA 



BY 



G. H. WAILES 



AND 



BIBLIOGRAPHY 



BY 



JOHN HOPKINSON 



LONDON 

 PRINTED FOR THE RAY SOCIETY 



1919 



