65. 



' 



Plate I. 



Figs. 1*16. 3iag9 of development of Miracidia* x 34 

 Pig. IV. .-f; juat after escape- of miraoidium showing 



operoulum attached arid waste material inside. 

 Fig. IB. %ghell with operoulum detaohed* x 34 



ir,g \'uV-:b ffBCV .3^$-:* 



Fig. 18a. Operoulura of egg. x 34. 



*te II* 

 19, a,b,o,d. Mother-redia in various stages cf extension 



: * : 

 x 429. 



Iramfitur^ lwtherredia x 429* 



i v^r ; :. i^ias* t re . tt r&ou t/ 1? t 

 iMMftture teother-redia. x 333. 



Immature dauGht^r-r^dia oontr:*oted x 372* 

 Immature daughter -redi a extended, x 372. 

 Jig. 24. Anterior end of mature daughter- red ia extended 



x 140* 



-'asii ^c*in^ >*%inniA. .cf ere ;*$** 

 Pig. 25* Anterior end of siature daui^hter-redla oontraoted 



x 140. 



V& . it 

 Fig. 26. Mature siother-redia containing daughter-rediae 



and germ balls* x lid. 



27. Mature daughter-redia containing oeroariae and 



* it in r^;Dti of bladder. 3s'r.# 



gena balls* x 66. 



; k a ^xro^rl^ uliewi^g union of 



Plate III, 

 Fig* 20* Lateral view cf <laughter-re<iia just alter 



escaping t Torn mother-r^dia. x 446. 



29. Immature daughtor-redia ^ith germ balls inaide 



x 181. 



