PROTOMONADINA 



249 



Fig. 115. a, Tnj-panosovia rolatoriuvi, X750 (Kudo); b, T. ino'pina- 

 tum, X1180 (Kudo); c, T. diemyctyli, X800 (Hegner); d, T. giganteum, 

 X500 (Neumann); e, T. granulosum, XlOOO (Minchin); f, T. reniaki, 

 X1650 (Kudo); g, T. percae, XlOOO (Minchin); h, T. danilewskyi, 

 XlOOO (Laveran and Mesnil); i, T. rajae, X1600 (Kudo), 



fish are not understood; as a rule, only a few individuals are ob- 

 served in the peripheral blood of the host. 



T. granulosum Laveran et Mesnil (Fig. 115, e). In the eel, An- 

 guilla vulgaris; 70-80/^ long. 



T. giganteum Neumann (Fig. 115, d). In Raja oxyrhynchus; 

 125-130Mlong. 



T. remaki Laveran et Mesnil (Fig. 115,/). In Esox lucius, E. 

 reticulatus and probably other species; dimorphic; 24-33/i long. 



T. percae Brumpt (Fig. 115, g). In Perca fluviatilis; 45-50)U 

 long. 



T. danilewskyi Laveran et Mesnil (Fig. 115, h). In carp and 

 goldfish; widely distributed; 40/x long. 



T. rajae Laveran et Mesnil (Fig. 115, i). In various species of 

 Raja; 30-35/x long. 



Genus Crithidia Leger. Parasitic in arthropods and other in- 

 vertebrates; blepharoplast located between central nucleus and 

 fiagellum-bearing end (Fig. 112); undulating membrane not so 

 well developed as in Trypanosoma; it may lose the flagellum and 

 form a leptomonas or rounded leishmania stage which leaves host 



