Diseases of the Alimentary Tract 



73 



for the protoplasm to divide into four spherical bodies which 

 are called sporoblasts (Fig. 8, 2). Each of these sporoblasts 



Fig. 8. — Diagrammatic representation of the life history of a coccidium. (After Cole 



and Hadley.) 



then divides into two sickle-shaped sporozoids (cf. Fig. 8, 3 

 and 4). These sporozoids are then set free in the intestinal 



