Fig. 179. Fig. 180. 



Figs. 175-180. — Various phases of the benign tertian parasite. 

 Fig. 175. Several young ring-Bhaped amcebulsB within the red corpuscles, one of 

 -the latter enlarged and showing a dotted appearance. Fig. 176. A larger amoebula 

 containing pigment granules. Fig. 177. Two large amoebuto, exemplifying the great 

 Variation in form. Fig. 178. Large amosbula assuming the spherical form and showing 

 fplated fragments of chromatin— preparatory to schizogony.' Fig. 179. Schizont, 

 which has produced eighteen merozoites, each of which contains a small collection 

 of chromatin. Fig. 180. A number of merozoites which have just been set free in the 

 plasma, x 1000. 



