208 SPOKOZOA. 



described as T. pyrogenes was only a contaminating organism 

 of a vegetable nature. Knowles (1928) and Reichenow 

 (1929) support this view. Knowles has also been struck 



fe Ik 





D E 



Fig. 103. — Toxoplasma (?) pyrogenes Castellani. A-D, small forras; 

 E, large form described as schizont. (From Wenyon, after 

 Castellani. ) 



with the resemblance which some of the forms depicted by 

 Castellani bear to the breaking-down malarial parasites en- 

 countered in spleen-puncture films from cases of chronic and 

 relapsing malaria. 

 Habitat. — Blood and spleen of a man : Ceylon. 



