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forms with duplicated kinetonucleus (and sometimes also tropliomicleus) 

 and flagelhim (m). At other times a quite irregular multiplication of the 

 locomotor apparatus takes place, leading to the formation of distorted 

 bodies, possessing three or four flagella at the corners, with or without 

 associated nuclei (fig. 22 a, e, g). Sometimes again, in more massive 

 forms, the cytoplasm becomes lobed and partly divided up, tending towards 



Fig. 22. — Involution and degeneration forms (continued). 

 A — c, T. brucii, after Bradf. and Plim. ; D — G, T. gambiense, 

 after Castellani ; h, T. brucii, after Martini (interpreted as a 

 small degenerating agglomeration form); j — K, T. equinnm, 

 after Voges; L, T. brucii, agglomeration-cluster, commencing to 

 form a plasmodium, after B. and P. 



transverse division (j and k) or multiple segmentation (c and d). Perhaps 

 the appearance seen at B is to be thus interpreted, the two halves only 

 remaining joined by a thin cytoplasmic connecting bridge, (iii). Fusion 

 forms. These result either from the grouping together (partial agglomera- 

 tion) of individuals which had begun to show form involution (fig. 21 u). 



