LIFE-HISTORY OF LEPTOMONAS MUSC.E DOMESTIC^E. 655 



Figs. o-lU. — Leptomonas from intestine of H. canicular is; various 

 stages in division. Flemni.-Fe. lia-m. 



Figs. 11-14. — Leptomonas fi'om intestine of H. canicnlaris; 

 trypaniform individuals. Schand.-Fe. ha?m. 



Fig. 15. — Cysts of Leptomonas muscse domestical from rectum 

 of H . canicnlaris, showing scattered nuclear material. Osniic vapour, 

 Giemsa. 



Fig. 16.— Small flagellate fornii a few minutes after leaving cyst. 

 Osmic vapour, Giemsa. 



Fig. 17. — Small flagellate forms a few minutes after leaving cyst 

 sliowing development of the flagellum, Flemm.-Fe. hsem. 



