UNSEGMENTED " IVORMSr 



Fig. 54.— Life history of Liver Fkil- 



After Thomas. 



1 Developing embryo in egg case ; 2. free MNimmin^ ciliated 

 embryo Tsporocysl ^a. Lymn^ra t,-,.HCatula: 4. division of 

 sSorocys, ■ 5. sporocyst with redia: forming within it ; 6. red, a with 

 n?oreredii oniiing within it ; 7. tailed cercaria ; S. young fluke. 



