352 



large chromatic granules. They live in blood kept 

 at a temperature of 10-19° c- for a week. 



6. T. soleae. — In the sole [Solea vulgaris). 

 40 M long. Flagellum very short, 8 m (Fig- 82). 



7. T. scyllii. — In dog-fish {Scyllium canicula, 

 etc). The trypanosome is curved on itself. 70-75/" 

 long, by 5-6 M broad. Posterior end conical. 

 Undulating membrane much folded. 



8. T. rajae. — In rays {Raja punctata, etc.) 

 Like the last it is curved on itself. 75-80 m long, 

 by 6 M broad. Posterior end much drawn out in 

 some forms, blunter in others. 



Fig. 79. T. votatovium, T. cobitis, T. carassii, Tp. danilewski. 

 Left to right. {After Laveran and Mesnil, 

 MiTRAPHANow and Danilewski) 



9. T. carassii (Mitraphanow). — Besides the 

 forms with undulating membrane and flagellum, 

 disk-like forms are described. In the blood of fish 

 {Carassius vulgaris) ; in the tench {Tinea vulgaris). 

 Also described in the blood of the stickleback, 

 pike, etc. (Fig. 79). 



