ILLUSTRATION 



Plate l. Ascaris in Liver Tissue 

 Photomicrograph of the area of liver involved as seen with the low 

 i eggs at various stages of segmen- 

 amount of fibrin collected around the ova; 

 i beautiful giant cells trying to engulf eggs ; c, shows the 

 leucocytic infiltration at the periphery of the mass. 

 2. The same area as is shown in fig. 1, more highly magnified. The 

 structure of the ova is here well demonstrated. The vitelline 

 membrane is fairly visible as are also the segmenting ovarian 

 cells. The ova are surrounded by necrotic tissue showing endo- 

 thelial and some polymorphonuclear infiltration. 



