36 DE. T. s. cobbold's stkopsis of the distomid.e. 



Fasciolaferox, Rudolphi. 

 F. Ardece, Gmelin. 

 Planaria, Goeze. 



Echinorhynchus Ardeee nigrce, Braim. 



Hab. Found by Rudolphi, Dujardin, and Bremser in Ciconia alba; by Ru- 

 dolphi, Bremser, and Braun in C. nigra ; by Goeze in Ardea stellaris. 



12. ECHINOSTOMA NEPHROCEPHALUM, Cobbold. 



Dlstomum nephrocephalum, Diesing. 



D. Turdi, Rudolphi. 



Hab. Infests the intestines of Tardus saxatilis. 



13. EcHiNOSTOMA Baculus, Cobbold. 

 Dlstomum Baculus, Diesing. 



D. Mergi, Rudolphi. 



Hab. Infests the intestines of Mergus albellus. 



14. Echinostoma spinulosum, Dujardin. 

 Echinostoma spinulosum, Cobbold (Linn. Trans, vol. xxii.). 



Distoma spinulosum, Rudolphi, Dujardin, Creplin, Diesing, Bellingham, 

 Molin. 



Hab. Found by Rudolphi in Colymbus septenirionalis ; by Bremser and 

 Molin in Podiceps cristatus ; by Mehlis in Anas Querquedula and 

 Uria Grylle ; it has also been obtained from Carbo Graculus, Larus ar- 

 gentatus, L. capistranus ; by myself from L. glaucus; by Bellingham 

 from L. ridibundus, also from Anas Clangula and Numenius arcuatus. 



15. Echinostoma denticulatum, Dujardin. 

 Distoma denticulatum, Rudolphi, Dujardin, Diesing. 

 Fasciola denticulata, Rudolphi. 



Hab. Found by Rudolphi in Sterna Hirundo ; it has also been obtained 

 from the intestines of S. nigra and S. Cantiaca. 



C. In corpore piscium. 



1. Echinostoma annulatum, Cobbold. 

 Distomum annulatum, Diesing, Revis. p. 43. 



Hab. Found by Natterer in Brazil in the intestines of Gymnotus 

 electricus. 



2. Echinostoma Pristis, Dujardin. 



Distoma Pristis, Deslongchamps, Dujardin, Diesing. 



Hab. Found by Deslongchamps in the intestines of Merlangus communis. 



3. Echinostoma hispidum, Cobbold. 

 Echinostoma hispidum Cobbold (Linn. Trans, loc. cit.). 



Distoma hispidum, Abildgaard, Rudolphi, Viborg, Creplin, Mehlis, Du- 



jai'din, Diesing. 

 D. Sturionis, Rudolphi. 



Hab. Found by Abildgaard, Rudolphi, Bremser, Creplin, and myself in Aci- 

 , penser Sturio ; by Diesing in A. glaber, A. Ruthenus, and A. stellatus. 



