106 
ZOOLOGY 
A. Fasciola hepatica, from the ventral 
surface (x 2), the alimentary and 
nervous systems only shown on the 
left side of the figure, the excretory 
1. Right main branch of the intestine. 
Bren /2. 
only on the right. 
A diverticulum. 
Lateral ganglion. 
Lateral nerve. 
Mouth. 
Pharynx. 
Ventral sucker. 
Cirrus sac. 
Left anterior dorsal excretory vessel. 
. Main vessel. 
. Left anterior ventral trunk. 
Excretory pore. 
B. Anterior portion, more highly magni- 
eR 
eee Sh LS) Ee 
fied, 
Cirrus sac. 
Ductus ejaculatorius. 
Female aperture. 
Ovary. 
Oviduct. 
Penis. 
Shell gland, 
Anterior testes. 
Uterus. 
Vasa deferentia. 
Vesicula seminalis. 
. Yolk gland. 
. Its duct (from Marshall and Hurst, 
after Sommer). 
C. Genital sinus and neighbouring parts. 
ie 
2. 
Ventral sucker. 
Cirrus sac. 
