Volume I Bulletin 4 



Ohio Biological Survey 



A REVIEW OF THE DESCRIBED SPECIES OF THE ORDER 

 EUGLENOIDINA BLOCH. CLASS FLAGELLATA 

 (PROTOZOA) WITH PARTICULAR REFER- 

 ENCE TO THOSE FOUND IN THE CITY 

 WATER SUPPLIES AND IN OTHER 

 LOCALITIES OF OHIO 



By 

 L. B. WALTON 



Published by 



THE OHIO STATE UNIVERSITY 



Columbus 



1915 



