1 8 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.ioi. (Lake Champlain) 

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



p.io2. (Lake Champlain) 

 Anculotus carinatus DeK. Jay, Cat. 1852. p.2;6. (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 

 Subfamily 



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 



Genus SCENEA Fleming 

 Scenea planorbis Fabricius 



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

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



