154 ON TREMATODE PARASITES FROM THE SOCIETY’S GARDENS, 
Prats II. 
.A. Opisthogenes interrogativus. X 25. 
5. Styphlodora persimilis. X 40. 
Fi 
08 
Puate III. 
6. Lyperosomum scitulum. X 23. 
7. Lyperosomum direptum. X 18. 
8. Brachycelium obesum. X 100. 
Fi 
go 
Prats LV. 
Fig.9. Hchinostomum aliud. X 20. 
9a. i - Cephalic spine. XX 250. 
10. Harmotrema infecundum. X 60. 
11. Hemistomum canaliculatum. ‘Transverse section through 
chnging-plug. X 65. 
Figures 1-10 are drawn from the ventral surface. 
C.B. Cirrus-pouch. K.Sé. Ovary. 
Hx. Excretory vesicle. T., T), Tz. Testes. 
