356 



6. T. somalense in Bufo reticulatus. Somaliland. 

 3OAS flagellum, 7/4. 



7. T. nelsprui tense. In frogs in the Transvaal, 

 characterized by its long flagellum, 20-35^, giving a 

 total length of 40-70^. 



8. T. borreli (Marchoux and Salimberi), in 

 Hyla sp. Brazil. Resembles T. rotatorium. No free 

 flagellum. 



9. T. diemyctuli (S and C). In Diemyctulus viri- 

 descens, an American newt. 



10. T. belli. In a Hong- Kong frog. Two forms 

 found, (a) 25^, flagellum i6/^ by 1*4^ broad, (b) length 

 22'6p, flagellum 3^ by I'ty/* broad. 



CULTIVATION OF FROG TRYPANOSOMES 



Cultures grow in about five days. Sub-cultures 

 may take several weeks to develop. Cultural forms are 

 fusiform in shape, 25 by 2/^, with the blepharoplast 

 anterior. Round forms 2/* in diameter also occur. 



TRYPANOSOMES IN TORTOISES 



I. T. damoniae. In a fresh water tortoise 

 (Damonia reevesii). It is intermediate in shape be- 

 tween T. lewisi and T. rotatorium. In the same 

 tortoise also commonly occurs Haemogregarina stefano- 

 wiana and H. rara. 



TRYPANOSOMES IN LIZARDS 



I. T. boueti (Martin) 1907, in Mabuia raddonii, in 

 French Guinea. Resembles T. rotatorium. 



