Brucei, in the case of nagana, and T.
Brucei) in cattle and horses laid low with nagana or the tsetse-fly disease; and this worker subsequently demonstrated, in a brilliant manner, the essential part played by the tsetse-fly in transmitting the parasites.
Brucei, after La y.
Brucei, and T.
Brucei), have found, however, that the new flagellum is developed quite independently and laid down alongside the old one.
Brucei),' among mammalian forms, described by Prowazek (47); T.
Plimmer, " The Trypanosoma brucei, the organism found in Nagana or the Tsetsefly disease," Quart.
Of this form the earliest known species, P. capensis, is the type; but there are many other species, as P. syriaca, and P. brucei from Syria and eastern Africa.