PARASITOLOGY, VOL. XIII. NO. 3 
PLATE IX 
0 01 mm 
Fig. 1 
O Ol m m 
Fig. 2 
0 1m m 
Fig. 3 
°o°°% 0 o 0 o% 
5 -0 ft 0 0 0° n 
1 m m 
Fig. 4 
Olmm 
Fig. 5 
ec 
v ex c 
cl cx 
0 1 mm 
Fig. 6 
0 1m m 
Fig. 7 
m 
t m. 
cl v 
cl exc 
v ex a 
