66 



PROTOZOAN PARASITISIM 



and vessels, there is little tendency to infect the 

 lymph follicles of the intestine or the lymph nodes 

 of the mesentery. James (1928) found them in a 



I I I IP MM| l IM ill I 



Fig. 8. — Amoebic Colitis. 



Endamocha histohjtica within small blood vessels of the siib- 

 miicosa, two in upper, one in lower, with thrombosis. Photomicro- 

 graph X 475. 



lymph follicle of the human intestine, and Thomp- 

 son (1926) has shown some invasion of lymplioid tis- 



