INTRODUCTORY 



TABLE OF THE IMPORTANT GROUPS OF PARASITES. 



Protista Unicellular organisms. 



Metazoa 



I 



Sarco- Myxo- Rhino- 

 sporidia sporidia sporidia 



Gregarinida 



Parasitic in earth-worms 

 and many invertebrata. 

 Coccidia : parasitic in 

 many animals, very 

 common in rabbits. 

 Have been observed in 

 man. Species (?) 



Hsemosporidia Hsemo- 



gregarinida 

 In reptiles and 

 few mammals. 



Babesia or Piroplasma 

 Parasitic in cattle, horses, 

 sheep, dogs, &c. 



Hsemamoeba 



Including H. relicta (proteosoma in 

 birds and at least three species of 

 plasmodia, the cause of malaria in man. 



