THE H.EMOFLAGELLATES. 



237 



ously, to three or even four descendants. This is most likely 

 due to the successive division, before the common cytoplasm 



Fig. 25. — a — v, stages in binary longitudinal fission of T. 

 equinum; E, multiple longitudinal division in same parasite; 

 F and G, binary and multiple fission in T. equiperdum. (After 

 Lignieres.) 



has divided, of the organellfe of one or both of the two 

 halves resulting from the first multiplication. 



Fig. 26. — Early stage in binary fission of Try panoplasma 

 borreli. (After L. and M.) 



T. le wisi differs from other Trypanosomes in that the cyto- 

 plasm divides in a most unequal manner (fig. 27). Indeed, 



