THE ALIMENTAEY CANAL 

 o 



27 



cs 



FIG. 6. Fasciola hepatica, from the ventral surface. (After Sommer.) 



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

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



On the left side. A, right main division of the alimentary canal. C, one 

 of its diverticula. Q, lateral ganglion. ~N, lateral nerve. 0, mouth. P, 

 pharynx. S, ventral sucker. 



On (Tie right side, the excretory system. CS, cirrus-sac. D, left anterior dorsal 

 trunk. M, main truuk. V, left anterior ventral trunk. X, excretory pore. 



