i8 



NEW YORK STATE MUSEUM 



Melania bizonalis DeK. Tryon, Smith. Misc. Coll. 253. 1880. 



16:293. (Lake Champlain) 

 Melania gemma DeK. Tryon, Smith. Misc. Coll. 253. 1880, 



16:293. (Onondaga county) 

 Goniobasis virginica Gmel. Beauchamp, Onondaga List. 



1886. p.6 



Goniobasis gemma DeK. Beauchamp, Onondaga List. 1886. p.6 

 Goniobasis virginica Gmel. Walton, Rochester Acad. Sci. 



Proc. 1892. 2:4. (Erie canal) 

 Goniobasis multilineata Say. Walton, Rochester Acad. Sci. 



Proc. 1892. 2:4. (Erie canal) 



Genus ancylosa Say 

 Ancylosa carinata Bruguiere 

 Anculotus carinatus DeK. DeKay, Nat. Hist. N. Y. 1843. 



p.101. (Lake Champlain) 

 Anculotus trivittatus DeK. DeKay, Nat. Hist. N.Y. 1843. 



p. 102. (Lake Champlain) 

 Anculotus carinatus DeK. Jay, Cat. 1852. p. 276. (Lake 

 Champlain) 



Anculosa dissimilis Say. Say, Am. Jour. Conch. 1866. 2:126 

 Anculosa carinata Brug. Lewis. Buf. Soc. Nat. Sci. Bui. 2. 



1874. p- 139. (Cortland county) 

 Anculosa carinata Brug. Tryon, Smith. Misc. Coll. 253. 1880. 



16:390. (Lake Champlain) 



Family rissoidae 

 Subfamily bythixixae 

 Genus bythinia Gray 

 Bythinia tentaculata Linnaeus 

 Bythinia tentaculata Linn. Beauchamp, Onondaga List. 1886. 

 p. 5. (Syracuse) 



Bythinia tentaculata Linn. Walton, Rochester Acad. Sci. Proc. 

 2. 1892. p. 4. (Erie canal) 



Subfamily scexeixae 

 Genus scenea Fleming 

 Scenea planorbis Fabricius 

 Skenea serpuloides Ads. DeKay, Nat. Hist. N. Y. 1843. p. 1 1 7 

 Skenea planorbis Fabr. Tryon, Man. Conch. 1887. 9:398 



