ESSENTIALS OF TROPICAL MEDICINE. 



(a) T. lewisii. The antiflagellar end is sharply pointed, the centrosome usually at some little distance 

 from the end of the body, and the nucleus is always in the flagellar half of the body. Size 25 to 30 ;U. 



(b) T. gamlnense. The antiflagellar end is usually bluntly rounded, the centrosome close to that end, 

 and the nucleus at the middle of the body. Size 20 to 25 yU. 



(:) T. nanum. Characterized by its small size, being only about 14 jx in length. The centrosome is 

 small and the nucleus is round and in the centre of the body. 



(d) T. theileri. Characterized by its large size, being some 65 fx in length. 





>> 



I 



(e) T. dimortikon. The important characteristics of this type are the broad body, the short free portion 

 of the flagellum, the closeapplicationof the undulating membrane to the body and the presence of a 

 vacuole between the centrosome and nucleus. 



bfcilu & D-.,r.ulr,soi. .L^'*- del.et htli 



Face page 158- 



