Fig. iio. — Castellanella castellanii (Kruse, 1903). 



(Forms found in the cerebro-spinal fluid.) 



The figures in the top row show the ordinary forms ; in the second row the 

 stumpy forms; in. the third and fourth rows longitudinal division. The 

 lowest row shows multinucleate and polyflagellate forms (Rabinowitsch- 

 Kempner forms), and small round flagellate and non-flagellate forms (Plimmer- 

 Bradford and Castellani's forms). (From Castellani's report in Reports of the 

 Royal Society on Sleeping Sickness.) 



