PLATE 25 



Fig. 48. Adult, showing collar spines, suckers, digestive and genital parts. 

 X 22. ac, acetabulum; es., esophagus; gp., genital pore; i., intestine; o., ovary; 

 o.v., oral sucker; or., oviduct; ph., pharj-nx; *,., £,., testes; u., uterus; id., vitelline 

 duct; vr., vitelline reservoir. 



Fig. 49. Adult, showing parts of excretory system. X 22. ac, acetabulum; 

 lb., muscular sac of bladder; lc, muscular descending tube of bladder; Id., eon- 

 cretional descending tube of bladder; le., ascending tube of bladder; ep., ex- 

 cretory pore; o., ovary; os., oral sucker; t v , t 2 ., testes. 



[ 388] 



