PLATE 22 



Fig. 28. Lateral view of daughter-redia just after escaping from mother- 

 redia. X 446. 



Fig. 29. Immature daughter-redia with germ balls inside. X 181. 



Fig. 30. Flame cell of mature daughter-redia. X 313. 



Fig. 31. Mature daughter-redia, showing excretory system. X 66. 



Fig. 32. Mature daughter-redia containing one encysted agamodistome (cyst) 

 and germ balls. X 49. 



Fig. 33. Mature daughter-redia containing two encysted agamodistomes. 

 X 44. 



Fig. 34. Mature daughter-redia containing three encysted agamodistomes 

 and germ balls. X 76. 



Fig. 35. Mature daughter-redia containing four encj-sted agamodistomes, 

 two mature cercariae, and a germ ball. X 36. 



Fig. 36. Mature daughter-redia parasitized by one mature tetrocotyle, sev- 

 eral immature tetracotyle, three mature cercariae, and several germ balls. X 60. 



[ 382] 



