S 







3_ 



| 



^*- 



f> 



r 



22 



27 



- 



Various forms of malarial parasites (Thayer and Hewetson) : Figs. 1 to 10, in- 

 clusive, tertian organisms ; Figs. 11 to 17, inclusive, quartan organisms; Figs. 18 to 

 27, inclusive, estivo-autumnal organisms. 



FIG. 1. Young hyaline form ; 2, hyaline form with beginning pigmentation ; 

 3, pigmented form ; 4, full-grown pigruented form ; 5, 6, 7, 8, segmenting forms ; 9, 

 extracellular pigmeuted form ; 10, flagellate form. 



FIG. 11. Young hyaline form; 12, 13, pigmented forms; 14, fully-developed 

 pigmented form ; 15, 16, segmenting forms ; 17, flagellate form. 



FIGS. 18, 19, 20. Ring-like and cross-like hyaline forms; 21, 22, pigmented 

 forms ; 23, 24, segmenting forms ; 25, 26, 27, crescents. 



