PLATE XXIII. 



A. The Egg of the Liver Fluke 



I. The Lid or Cap. 



B. The Egg of the Fluke, containing an Embryo ready for hatching. 



I. The Cap or Lid. 



C. The Ciliate'd Embryo of the Fluke boring into a Snail, (Llr,i)ueus 



truncatnlusj. 



D. A young Sporocyst dividing into two. 



E A fully-developed Sporocyst, showing a young Redia. 

 I. The young Redia, 



F. A Redia, showing Mouth and Stomach. 



