PLATE XI 
c. 
M. Wkston 
- 
X 1000 diatn. 
1-10, 15. Herpdomonas OF Tahanus socius 
1. Large globular form with free flagellum 
2. Small free Ilerpetomonas 
3. Resting form with two nuclei .and dividing mtcronucleus 
4. Rosette with one free form with long flagellum 
5. Rosette with larger forms than in 4 
6. Free form with the thin membrane-like later.al expansion of the body 
7. Very small rosette 
8. 9. Two free forms 
10. Large rosette of elongated forms. Many of these show the same lateral membrane that was seen in the parasite at 6 
15. Section of gut of Tabantts sochts. Fixed in Flemming’s solution, stained with Iron Hncmatoxylin and Eosin. Shows 
the arrangement over the surface of the gut of the Herfietontonas 
11-14. Various forms of the //crptiomonas from Myzomyia nili 
