FIG. 178. FIG. 179. 



FIGS. 174-179. Various phases of the benign tertian parasite. 



FIG. 174. Several young ring-shaped amoebnlse within the red corpuscles, one of 

 the latter enlarged and showing a dotted appearance. Fig. 175. A larger amoebula 

 containing pigment granules. Fig. 176. Two large amoebulaa, exemplifying the great 

 variation in form. Fig 177. Large amoebula assuming the spherical form and showing 

 isolated fragments of chromatin preparatory to schizogony. Fig. 178. Schizont, 

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

 of chromatin. Fig. 179. A number of merozoites which have just been set free in the 

 plasma, x 1000. 



