;\. 



ilu hfpatica. A, "<"; H, miracidium ; C, sporocyst ; D, E, rcdiae ; 

 . .i.liilt iiM'itln-r reproductive organs nor nervous system 



tn shown), b. \ e, (cuaria; /:, cf^K ; cnt, intestine; g, nerve- 



11- ; K-l, tyst-prndiiciny nl.md cells ; n, nephridiurn (only a few of the main 



branches of the excretory network are shown) ; n.o, nephridial opening ; o.s, oral sucker ; p, proboscis 

 (extni ' 



