424 J- Staffobd, The American Eepresentatives of Distomum cygnoides. 



Descriptiou of Plate. 



Fig. 1. Gorgodera transhicida n. sp., from bladder of Bufo lenti- 

 ginosa. 



3IS Mouth-Sucker. 

 Oe Oesophagus. 

 / Intestinal Cfeca. 

 GO Genital Opening. 

 SV Seminale Vesicle. 

 rS Ventral Sucker. 

 U Uterus. 

 VG Vitellaria. 

 SG Shell Gland. 

 Ovary. 

 T;, T^ Testes. 



Mg. 2. Gorgodera opaca n. sp. , from bladder of Bufo lentiginosa. 

 Organs to be recognized by comparison with Fig. 1. 



Fig. 3. Gorgodera simplex Looss, from bladder Bana cateshiana. 



Fig. 4. Gorgodera attenuata n. sp., from bladder of Rana virescens 

 and Bana cateshiana. 



Fig. 5. Gorgodera amplicara Looss, from bladder of Bana cateshiana. 



All from the ventral surface, magnification about 12 : 1. 



