82 PALUDINID^. 



Sub -Genus TULOSTOMA, Haldeman. 

 Mon. Li/mn. Sup. 2, 1S41, ft/pe P. magnijica, Conrad, 



35. Paludina (Tulostoma) magniflca. 



Paludiiia niagnifica, Conrad, Neio freshwater shells, U. States, June 1834, 

 Alabama Rv. ; = P. himonilifera. Lea, Trans. Amer, Philos. Sac, 

 August 1S34 {read in 1832). 



2 Alabama ; ex c. Dr. H. Dobrn. 



Sub-Genus CAMPELOMA, Rafinesque. 



Journ. de Physique, Sfc, Vol. 88, 1819, type C. crassula, Raf., from Ohio ; 

 = Melantho, Boioditch, Elem. Conch. 1822, type P. decisa, Say. 



36. Paludina (Campeloma) decisa. 



Limnsea decisa, Say, Nicholson's Enc. I, 1817, \_sine Hab.'] ; Delaware Rv. 

 fide Binney. 



7 Indiana; ex c. Dr. T. Oldham. 

 16 Pennsylvania ; coll. Kev. Pi. R. Beadle. 



4 Massachusetts and Ohio ; coll. Prof. E. C. Stearns. 



5 New York ; coll. Dr. W. Newcomb and ex c. Madras Museum. 



A sinistral variety has been recorded. 



37. Paludina (Campeloma) integra. 



Paludina integia, Say, Jotirn. Aead. Nat. Sci. Philad. II, 1821, 3Iissouri ; 

 fide Binney = P. decisa, var. 



20 New York ; coll. Dr. W. Newcomb and Rev. E. R. Beadle. 



38. Paludina (Campeloma) ponderosa. 



Paludina ponderosa, Say, Journ. Acad, Sci. Philad. II, 1821, Ohio. 



4 Alabama ; coll. Rev. E. R. Beadle. 

 12 Indiana; ex c. Dr. T. Oldham. 



39. Paludina (Campeloma) genicula. 



Paludina genicula, Conrad, New freshivater shells, U. States, 1834, " Flint 

 Rv., Georgia ; " fide Binney = P. decisa, var, 



2 Georgia; ex c. Dr. T. Oldham. 



40. Paludina (Campeloma) rufa. 



Paludina rufa, Haldeman, Mon. Lymn. Ill, 1841 — ; fide Binney = P. 

 decisa. Say, var. 



2 Erie Canal ; coll. Prof. W. Newcomb. 



