THE GENUS TRYPANOSOMA 



251 



Serum or cell 

 parasite. 



Serum 



Invertebrate host 

 known or suspected 



Size. 



Both 



Leech Helobdella al- 

 gira, Moq. 



Leech (probable) 



Culex pipieiis 



40-80 jU 



60-72;^ 



82.4// 



25-30// 



24-35/«, 

 with flagellura 



32//. 

 with flagellum 



