OF THE ATJMENTARY TRACT 



63 



I 



y^m. -.- 



I 



% k .. '• J 1. 



Fig. 6. — Amoebic Colitis. 



Endamoeba Jiistolytica within a venule and in tissue spaces of 

 the submucosa of the colon. Photomicrograph x 470. 



writer's specimens from human amoebic colitis pene- 

 tration of the surface epithelium has not been ob- 

 served (Lynch, 1920). The amoebae do not occur 

 in the superficial tissues of the mucosa. They invade 

 the mucosal glands and single organisms may be seen 



