PROTOZOA 



135 



host, for example, Eimeria stiedcB (Coccidium cuniculi) (page 831) enters 

 the epithelium of the small intestine and of the bile ducts of the 

 rabbit, while Coccidium avium enters and destroys the cells lining the 



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Fig q8 — Sporozoits in the oocyst of Laverania malaria. A, Formation of 

 nuclear points which serve as the foci from which the sporozoits develop; B, a more 

 definite shaping of protoplasm and nuclei; C, D, mature sporozoite m the oocyst 

 arranged about centers from which they radiate; E, a portion of one enlarged. 

 {Ajler Grassi, Jrom Doflein.) 



intestines of the birds which it infects (page 832). The HamosporUia 

 live, for a part of their life cycle, within the red cells of the blood of 



