360 OHIO BIOLOGICAL SURVEY 



or longitudinally. 



Fi Prominent anterior and posterior 

 paramylom granules not present. 

 G' Body extremely metabolic; 

 not normally twisted into a 

 spiral however. 

 Hi Chloroleucites in the form 

 of flattened disks, numer- 

 ous; posterior part of 

 body with short acute 

 tip ... 24. E. deses 



Hi Chloroleucites in the form 

 of elongate cup shaped 

 disks, 2-4 in number; 

 posterior part of body 

 with elongated acute tip 25. E. mutabilis 

 G- Body not metabolic, normally 



twisted into a spiral . 26. E. spiroides 

 F- Prominent anterior and posterior* 

 paramylon granules present. 

 G^ Anterior part of body immedi- 

 ately in front of stigma nearly 

 equal to the diameter of the 

 median part of the body. 

 HI Anterior and posterior 

 paramylon granules 

 large, suboval or spherical. 

 P Large paramylon 

 granules, suboval; 

 length of individual 

 375-500M. . . 27. E. oxyuris 



I- Large paramylon gran- 

 ules spherical; 

 length of individual, 

 75m. . . 28. B. simulacra 



H' Anterior and posterior 

 paramylon granules in 

 the form of elongated 

 rods; length of individ- 

 ual, 70-80M. 



Ji Body exceedingly met- 

 abolic; not prolonged 

 posteriorly into an 

 extended acute tip; 

 length, 120- 135m. 29. E. intermedia 



* Occasionally lateral in E. limnophila. 



