Catalogue Recently Described Mollusca 123 



Subfamily NEOPLAXORBIX.^ Hannibal, 1912. 



Genus XEOPLAXORBIS Pilsbry, 1906. 



Neoplaxorbis carinatus Walker. 



Neoplanorhis carinatus Walker, X'^aut., XXI, 1908, p. 127, pi. 9, figs. 17-1S. 

 Type locality : Duncan's Riffle, Coosa River, Coosa Co., Ala. 



Neoplaxorbis smithii Walker. 



Neoplanorhis smithii Walker, X'aut., XXI, 1908, p. 126, pi. 9, figs. 1-2. 

 Type locality: Higgin's Ferry, Coosa River, Chilton Co., Ala. 



Neoplaxorbis tantillus Pilsbry. 



Planorbis tantillus "Pilsbry" Hinkley, X^aut., XVIII, 1904, p. 54. X'ude 



name. 

 Neoplanorhis tantillus Pilsbry, X'^aut.. XX, 1906. p. 51, pi. 3, figs. 3-5. 

 Type locality : Wetumpka, Ala. 



X^EoPLANORBis umbilicatus Walker. 



Neoplanorhis unihilicntus Walker, Xaut.. XXI, 1908 p. 126, pi. 9, figs. 3-4. 

 Type locality: The Bar, Coosa River, Chilton Co., Ala. 



Genus AMPHIGYRA Pilsbry. 



Amphigyra Pilsbry, X'^aut., XX, 1906, p. 49. 

 Type: Amphigyra alahauiensis Pils. 



AlMPHIGYRA ALABAMEXSIS Pilsbry. 



Amphigyra alahamensis Pilsbry, X'aut., XX, 1906, p. 50, pi. Ill, figs. 1-2. 

 Type locality : Wetumpka, Ala. 



Subclass STREPTOXEURA. 

 Order PECTIXIBRAXCHIA. 



Suborder T.^XIOGLOSSA. 



Superfamily PLATYPODA. 



Family AMPULLARID.F. 

 Genus A^IPULLARIA Lamarck, 1799. 

 Ampullaria borEalis Valenciennes. 



W. G. Binney (12, p. 430), has definitely ascertained that this species 

 was based on the well known Natica heros Say. 



