379 



Piroplasma, T. theilert, and spirochaetes. The 

 spirochaetes are probably the cause of death.. 







Fig. 85. ShcRiing development of the onkinet of Sp. zicmanni into 

 trypanosomes and then spirochaetes, in the mosquito {after 



Schaudinn) 



5. Spirochaete ztemanm. — In the blood of 

 Athene noctua besides the halteridia described in 

 the previous chapter, Zeimann has described 

 peculiar large fusiform parasites. Male and female 

 forms occur and flagellation has been observed. 



