DB. T. S. COBBOLd's SYNOPSIS OF THE DISTOMID^. 41 



Fasciola ven^ricosa, Rudolphi. 



Hab. Found by Rudolplii in the abdominal cavity of Sylvia Luscinia in May. 



11. MONOSTOMA CRENULATUM, Rudolphi. 



M. crenulatum, Rudolphi, Dujardin, Diesing. 



Hab. Found by Rudolphi in the intestines of Sylvia Phanicurus in 

 May. 



12. MONOSTOMA MACROSTOMUM, Rudolphi. 



M. macrostomum, Rudolphi, Dujardin, Diesing (species inquirendse). 

 Hab. Found by Rudolphi in the intestines of Larus ridibundus in July. 



C. In corpore repiilium. 



1. MoNOSTOMA ELLIPTICUM, Rudolphi. 



M. eUipticum, Rudolphi, Bremser, Dujardin, Diesing. 



M. BombyncB, Zeder. 



Hab. Found by Gsede, Zeder, Bremser, and Diesing in Bufo igneus. 



2. MoNOSTOMA SULCATUM, Dicsirg. 



M. sulcatum, Rudolphi, Dujardin, Diesing. 



Hab. Found in the intestines of Aster odactylus Pipa by Rudolphi. 



3. MoNOSTOMA ORNATUM, Leidy. 



M. ornatum, Leidy, Diesing, Revis. p. 22, 



Hab. Found by Leidy in the abdominal cavity of Rana pipiens. 



4. MoNOSTOMA HisTRix, Molin. 



M. Histrix, Molin, Diesing, Revis. p. 24. 



Hab. Found by Molin in the intestines of Pelophylax esculentus. • 



5. MoNOSTOMA TRIGONOCEPHALUM, Rudolphi. 



M. trigonocephalum, Rudolphi, Dujardin, Bellingham, Diesing, 



M. rubrum et album, Kuhl, Van Hasselt. 



Planaria Midce, Braun. 



Hab. Found by Rudolphi, Natterer, Braun, Kuhl, and Van Hasselt in tlie 



alimentary canal of Halichelys atra ; by Bellingham in Chelonia im- 



bricaia. 



6. MoNOSTOMA DELICATULUM, Dicsiug. 



M. delicatulum, Diesing. 



Distoma Testudinis, Rudolphi, 



Hab. Infests the intestines of Halichelys atra and Emys europ^a. 



7. MONOSTOMA spiRALE, Dicsing. 

 M. spirale, Diesing, Revis. p. 22. 



Hab. Found by Natterer in the intestines of Chelonoides tabulatus, Podo~ 

 cnemis Tracaxa, and Hypsilophus tuber culat us. 



8. MoNOSTOMA RENiCAFiTE, Leidy, 

 M. renicapite, Leidy, 



M. nephrocephalum, Diesing, Revis. p. 25. 



Hab. Found by Agassiz in America, in the intestines of Sparyus coriacea. 



9. MONOSTO.MA MOLLE, Lcidv. 



