38 PROCEEDINGS OF THE NATIONAL MUSEUM vuu 70 



Plate 6 

 Sohistosoma- indicum 



Figure 26. Male; from sheep. Original. 



27. Female; from sheep. Original. 



28. Female genital system. Original. 



29. Egg. After Montgomery, 1906. 



Plate 7 

 ScMstosomatium pathlocopticum 



FigubeSO. Male and female. After Tanabe, 1923. 



31. Cercaria. After Tanabe, 1923. 



32. Egg. After Tanabe, 1923. 



Plate 8 

 Heterobilharzia amcricana 



Figure 33. Male. Original. 



34. Male; somewhat flattened. Original. 



ParascMstosomdtiiini anhingae 



35. Female. Original. 



Plate 9 



Austrobilharsia terrigalensis 



36. Male and female. After Johnston, 1917. 



MioroMlharzia chapmi 



37. Male and female. Original. 



38. Male; ventral view. Original. 



Plate 10 

 OmithoMlharsm intermedia 



39. Male and female. After Odhner. 



OrnithoMlharzia canaliculata 



40. Male and female. After Braun, 1902. 



Omithobilharsia Tcowalewskii 



41. Male. After Parona and Ariola, 1896. 



42. Posterior end of male. After Parona, 1899. 



Plate 11 

 OrnithoJyilharzia odhneri 



Figure 43. Male. After Faust, 1924. 



44. Female. After Faust, 1924. 



45. Female genital system. After Faust, 1924. 



