28 



ITD-IJ 



THE LIVER-PLUKE 

 0~ 



Fig. 13. — Fasciola hepatioa from the ventral surface; x 4. 

 (After Sommer.) 

 The alimentary and nervous systems oiily are shown on the left side 

 of the figure ; the excretory system alone on the right side of the figure. 

 A, 'right main division of the alimentary canal. C, one of its diverticula. 

 CS, cirrus-sac. D, left anterior dorsal trunk of excretory system. G-, lateral 

 ganglion. M, main trunk of excretory system. M", lateral nerve. 0> mouth. 

 P, pharynx. S, ventral sucker. V, left anterior ventral trunk of excretory 

 system. X, excretory pore. 



