PLATE I. 



Entamoeba histolytica (x looo) as seen in living condition in a portion of mucus from the 

 stool of a case of amcEbic dysentery. The mucus, in addition to the amoebae, contains 

 leucocytes and red blood corpuscles. Many of the amoebae show ingested red blood 

 corpuscles, from some of which the haemoglobin is diffusing into the cytoplasm, giving 

 a browinish tinge to the amcebae. 



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[To fa 



