ANIMAL MICRO- PARASITES. 



501 



at the extremities, but more usually round*'. 1 off (Fig. -_>;J5). They 

 are not always curved; some, indeed, are almost spheric -a I, and 

 others sausage-shaped. They are motionless. In IIM mens 



a delicate line is visible on the concave side of the crescent connect- 

 ing the extremities. On careful examination this is found to be 



' 



& 



Fi.;. 236. ROSETTE FORMS WITH SEGMENTATION (Golgi). 



the edge of a very delicate membrane. The body is composed of 

 homogeneous protoplasm. Centrally placed is a collection of pigment 

 granules, which on careful examination can be distinctly seen to be 

 in movement. The semi-lunar bodies vary in number in different 

 cases. Sometimes several can be seen in the field at the same time, 

 and in other cases they are only observed after a long ami ji.n 

 search. They are, as a rule, free in the serum ; but they have aU, 

 been seen within the red blood-cells. Second, finely granular masses 

 of protoplasm, which arise, according to Golgi, from the ii 

 corpuscular pigmented bodies. The pigment is collected in a ro>. 

 and the protoplasm by segmentation gives rise to a number of small 



FIG. 237. FLAGELLATED FORMS (Vandyke Carter). 



1. A flagellated spherule ; a, the same in t! "f a phagocyte; 6, free 



motile filaments. 



spherical forms, which are ultimately set f 



believes that these changes occur in definite relation to the 



ment of the paroxysm. Thifl. spherical, pear-shaped, or 



bodies rather smaller than the red bl ..... 



with one or more actively motile flagell, ff> These flagella 



