DR. T. S. COBBOLD's SYNOPSIS OF THE DISTOMIDJE. 53 



Hab. Found by Natterer in the stomach and intestines of Chelys fimbri- 

 ata, Phrynops Geoffroyanus, P. gibbus, P. Miliusii, Peltocephalus Du- 

 merilianus, Podocnemis erythrocephala, P. expansa, P. Tracaxa, and 

 Rhinemys nasuta ; by Belhngham in Chelonia imbricata. 



3. Amphistoma subclavatum, Rudolphi. 



A. subclavatum, Rudolphi, Zeder, Nitzsch, Westrumb, Bremser, Dujar- 

 din, Blanchard, Siebold, Filippi, Pagensteehei ; Van Beneden, Mem. 

 sur les Vers lutest. p. 81. 



A. miguiculatum, Rudolphi, Westrumb. 



Diplodiscus subclavatus, Diesing, Siebold, Creplin, Leidy, Wagener. 



D. unguiculaUis, Diesing, Revis. p. 56. 



Distoma subclavatum, Zeder. 



Fasciola subclavata, Schrank. 



Planaria subclavata, Goeze. 



Hirudo Tuba, Braun, 



In statu larvae et Sporotherii. 



Diplocotyle mutabilis, Diesing, Revis. der Myzelminth. p. 56, et Revis. 

 der Cere. p. 36. 



Diplodiscus, Wagener. 



D. Diesingii, Filippi. 



Cercaria Diesingii, Moulinie. 



C. diplocotylea, Pagensteeher. 



Hab. Infests the intestines of various frogs. It has been found by 

 Goeze, Zeder, Rudolphi, Bremser, Creplin, Filippi, Pagensteeher, and 

 others in Pelophylax esculentus, Rana temporaria, Dendrohyas viridis, 

 Phryne vulgaris, Bufo viridis, Bombinator igneus, and Lissotriton 

 punctatus ; by Natterer in Brazil in Leptodactylus sibilatrix ; by Leidy 

 in Rana pipiens at Philadeljihia, U.S. The larvae have been found 

 by Filippi and Pagensteeher free on the surface of the body of Pla- 

 norbis nitidus, P. vortex, and P. marginatus ; by Van Beneden in 

 various species of Cyclas. 



D. In corjjore jpiscium. 



1. Amphistoma Nattereri, Cobbold. 

 A. Cornu, Diesing, Dujardin. 



Hab. Found by Natterer in Brazil in Callichthys {Cataphractus or 

 Doras) vacu. 



In Diesing's Systema Helminthum there are three Trematodes described 

 respectively under the titles of Monostoma Cornu, Amphistoma Cornu, and 

 Holostoma Cornu ! 



2. Amphistoma megacotyle, Diesing. 

 A. megacotyle, Diesing, Dujardin. 



Hab. Found by Natterer in the intestines of Ageneiosus miiitaris. 



3. Amphistoma Ferrum-eouinum, Diesing. 



