FIG. 46. 



Various species of Trypanosoma from the blood of mammals, birds, 

 and reptiles. A. T. Lewisii, from the blood of rats; B. T. Brucii, the 

 parasite of the Nagana or Tsetze-fly disease, found in the blood of horses, 

 cattle, and big game ; C. T. gambiense, the parasite causing Sleeping 

 Sickness in man ; D. T. eqiiinum, which causes the mal de caderas in South 

 American horse ranches ; E. T. noctuce, from the blood of the little owl, 

 Athene noctua; F. T. avium, found in the blood of many birds; G. a 

 species found in the blood of Indian pigeons; H. T.ziemanni, a second 

 species from the blood of the little owl ; J. T. damonta, from the blood of 

 a tortoise; e.g., granules; v., vacuole; l.s., fold of the crest or undulating 

 membrane. 



These figures are from Dr. Woodcock's article on the " Haemo- 

 flagellates " in the Quarterly Journal of Microscopical Science, April and June, 

 1906. (See also the figures in the next chapter relating to Sleeping 

 Sickness.) 



