300 



ZOOLOGY OF THE IXVEUTERKATA. 



Fig. 77. — Fasciola hepatica. 

 A. — Fasciola hepatica^ from the ventral surface (x 2). 



The ahmentary and nervous systems only shown on the left side 

 of the figure, the excretory only on the right. 



1. Right main branch of the intestine. 



2. A diverticulum. 



3. Lateral ganglion. 



4. Lateral nerve. 



5. Mouth. • 



6. Pharynx. 



7. Ventral sucker. 



8. Cirrus sac. 



9. Left anterior dorsal excretory 



10. Main vessel. [vessel. 



11. Left anterior ventral trunk. 



12. Excretory pore. 



