138 



MORPHOLOGY AND CULTURE OF MICROORGANISMS 



host, for example, Coccidium stiedce (Eimeria cuniculi] (page 889) enters 

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





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... 





FIG. 99. 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 sporozoits in the oocyst 

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

 (After Grassi y from Doflein.} 



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

 intestines of the birds which it infects (page 889). The Hamosporidia 

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



