306 
posterior. The cytoplasm is finely granular, and in it are several 
round unstained spaces I to in diameter. In one specimen there 
were seven of these spaces anterior to the nucleus, one at the 
posterior edge of the nucleus and four posterior to that. The body 
has fine longitudinal striations. The blepharoplast consists of at 
least four granules embedded in a matrix, and is about rip long; 
a clear area is in connection with it. From it the well-developed 
undulating membrane extends in folds to the anterior extremity. The 
nucleus is round, sometimes slightly longer than wide, and occupies 
two-thirds of the width of the body. No division forms were seen. 
Drepanidia* 
Drepanidia of an ordinary type were seen in the same tortoise 
The nucleus of the host-cell was displaced, but not injured Twc 
parasites were sometimes seen in one blood corpuscle. No destruction 
of the cytoplasm of host-cells was observed and no multiplication 
forms were seen. Some parasites have a cyst wall about them while 
t ey are in the coipuscles. This same encysted condition was observed 
in extra-coipuscular parasites. Many of the drepanidia have coarse, 
colourless, refractile granules (Plate XXV, fig. 4;), either throughout, 
r on y in one half of, their bodies. Two forms of parasites were 
, in one the nucleus stains a dark purple and has a dense 
^ructure, as has its cytoplasm (Plate XXV, fig. 46); in the other, 
much larger, the nucleus stains a bright carmine, and the 
ITT ° f thC nudeus and c y to ptasm is looser (Plate XXV, fig. 48) 
ie drepanidia measure from 10-4 to i 7/J . long and from 4 to & 
1 e. : lultiphcation forms were not seen. Folded, “ two-shanked ” 
mtracorpuscular parasites did not occur. 
1 m ri e, r!!^u* )reSental ' VeS of c ^ ass examined were frogs a 
•. . lt? . °° d severa l hundreds of these was searched f 
parasites in either the Gamb.a or the Congo. 
frogs and toads 
I rypanosomes. 
r o . 2 \ Congo Tt y patio soma loricatum vel cost a turn 2 (Mayer, Jul 
^jva^ound m the blood of representatives of the followin 
* See footnote to page 303? ~ -~-—' 
