W. A. Harping 
181 
> i 
xiii -nn 
I omitted, 
l 
r 
i 
xxi in;'' ~ 
xxiV 
xxv-::"'" r_ 
X XVI-'' 
XXVII' 
Fig. 15. Herpobdella atomaria. Diagram of dorsal surface. Somites numbered in 
Roman numerals. The eyes are indicated by black dots. an. Anus. (Adapted from 
R. Blanchard.) 
Parasitology m 
12 
