298 The [nfe-history of Trypanosoma equiperdum. 
DESCRIPTION OF FIGURES. 
In both plates the coloured figures are stained with Breinl’s stain, and the extra- 
nuclear centrosome should be purple, but not so red as the intra-nuclear centrosome. 
PLATE 8. 
Fies. 1—5.—Stages in the longitudinal fission of 7. equiperdum. Figs. 1—4 showing the 
amitotic division of the nucleus, x. c, the intra-nuclear centrosome. In figs. 2 
and 3 the intra-nuclear centrosome is dividing, below are the trophic granules. 
Figs. 1—4 are stained with Breinl’s stain, fig. 5, a late stage in the fission, shows 
the characteristic inequality in the size of the resulting cells. 
Fias. 6-—10.—Successive stages in the detachment of a portion of the nuclear substance. 
Figs. 7—10 stained with iron heamatoxylin. By this method the trophic 
granules are not shown. 
Fies. 11—15.—Successive stages of the passage of a portion of the extra-nuclear 
centrosome to the nucleus. 
PLATE 9. 
Fic. 16.—Late stage during the passage of the extra-nuclear centrosome to the nucleus. 
The detached mass is now practically fused with the nucleus. Compare figs. 14 
and 15. 
Fic. 17.—T. equiperdum again dividing after the fusion of a portion of the extra-nuclear 
centrosome with the nucleus. 
Figs. 18—22.—Stages in the development of the latent body. 
Figs. 23 and 24.—Detachment of the old flagellum. and appearance of a new extra- 
nuclear centrosome, and a new flagellum. 
Fias. 25—28.—Complete latent bodies showing division of the extra-nuclear centrosome 
and the formation of two long delicate flagella. 
