PARASITOLOGY. 213 



Description. — The protozoa is round or oval in 

 shape and from one-tenth to one-sixth the diameter 

 of a red blood cell. They show amoeboid movement. 

 From one to four are found in a cell. They may 

 also be found free in the serum. 



Animals Infested. — The sheep. 



Parts Infested. — The red blood cells. 



Name of Disease. — Ictero-hematuria. 



Fig. 79. — Piroplasma Ovis. 



Showing the protozoa some In the red blood cells, some free. 



