36 
Microgametocyte ( $ ) Male 
Crescent 
1. The chromatin of the 
nucleus occurs in an extensive 
loose network, occupying the 
greater portion of the parasite. 
2. Comparatively little 
blue staining protoplasm. 
3. The pigment is scat¬ 
tered. 
4. The shape is somewhat 
kidney-shaped, shorter and 
broader than in the $ . 
Macrogamete (?) Female 
Crescent 
1. The chromatin occurs 
in a compact mass more or less 
centrally placed. 
2. Much more blue stain¬ 
ing protoplasm. 
3. The pigment is con¬ 
centrated into a ring around 
the nucleus or heaped up into a 
mass. 
4. Crescentic in shape, 
longer and narrower than the 
male. 
N.B.—Gametes (crescents) may be but rarely found in the blood 
of Europeans in the tropics (West Africa). 
2. Simple Tertian .—The female gamete ( $) is 
characterized by the possession of (1) much proto¬ 
plasmic matter, staining deep blue with Romanowsky, 
(2) little compact chromatin laterally placed, and 
Fig. 10. Male and Female Simple Fertian Gametes 
(after Schaudinn) 
generally surrounded by a thin vacuolic area, (3) pig¬ 
ment black in colour, and irregularly scattered over 
the whole protoplasm (Fig. 10). 
