510 



New Yokk at the World's Columbian Exposition. 



Anodonta Ferussaciana, Lea, Brie ca- 

 oal, Syracuse; James Delaney. 



Order Siphonida. Family Ctrenid^. 

 Genus Sph^kium, Scopoli. 



SpliBBrium simile. Say, Litchfield, Herk- 

 imer county; C. E. Beecher. 



Sphaerium simile, Say, Norman's Kill, 

 Albany; 0. E. Beecher. 



Sphaerium occidentalis. Prime, Cedar 

 lake, Herkimer county; C. E. Beecher. 



Sphaerium striatinum, Norman's Kill, 

 Albany. 



Sphaerium rhomboideum. Say, Green- 

 bush, Rensselaer county; C. E. Beecher. 



Sphaerium occidentale. Prime, Litch- 

 field, Herkimer county; C. E. Beecher. 



Sphasrium rosoceum. Prime, Mohawk 

 river, Herkimer county; Dr. James Lewis. 



Sphaerium partumeinm, Say, Astoria, 

 Long Island; Temple Prime. 



Sphaerium truncatum, lAns., New 

 York; Dr. James Lewis. 



Sphaerium transversum, Say, Norman's 

 Kill, Albany. 



Sphaerium secure. Prime, New York. 



Genus PisiDinM, Pfeiffer. 



Pisidium aequilateralo. Prime, Cedar- 

 ville, Herkimer county; C. E. Beecher. 



Pisidium ventricosum. Prime, New 

 York; Dr. James Lewis. 



Pisidium abditum, Prime, Long Island; 

 Temple Prime. 



Pisidium Virginicum, Bourg., Hudson 

 river, Albany; S. E. Beecher. 



Pisidium compressum. Prime, New 

 York; Dr. James Lewis. 



Pisidium compressum. Prime, Mohawk 

 river; C. E. Beecher. 



Pisidium ferrugineum, Prime, New 

 York; Dr. James Lewis. 



II. FBESH-WATEE UNIVALVES. 



Class Gastekopoda. Order Pbctini- 

 BRANCHiATA. Family Strbpomatid^. 

 Genus Goniobasis, Lea. 



Goniobasis Virginica, Gmsl., Hudson 

 river, Albany; 0. E. Beecher. 



Goniobasis, Virginica, Omel. (imma- 

 ture), Norman's Kill, Albany; C. E. 

 Beecher. 



Goniobasis Virginica, 0-mel., var. mul- 

 tllineata, Say, Hudson river, Albany; 0. 

 E. Beecher. 



Goniobasis Virginica, Qmel. , Erie canal, 

 Monroe county; Rev. John Walton. 



Goniobasis depygis, Say, Baldwins ville, 

 Onondaga county; Rev. W. M. Beau- 

 champ. 



Goniobasis livescens, Menke, Erie canal. 



Goniobasis livescens, Menke, Erie canal, 

 West Troy; T. H. Aldrich. 



Goniobasis livescens, Menke, Mohawk 

 river, Cohoes; C. E. Beecher. 



Genus Pleurocera, Bafinesgue. 



Pleurocera subulare. Lea, Erie canal. 



Pleurocera subulare, Lea, Mohawk 

 river; T. H. Aldrich. 



Pleurocera subulare, Lea, Monroe 

 county; Rev. John Walton. 



Pleurocera subulare, Lea, Lake Ontario, 

 Monroe county; Rev. John Walton. 



Genus Anculosa, Say. 



Anculosa carinata, Brug., Susquehanna 

 river. 



Anculosa carinata, Broff., Chemung 

 river; C. E. Beecher. 



Anculosa carinata, Brug., Cortland; C. 

 E. Beecher. 



Family RissoiD.®. Genus Bythinia, 

 Qray. 



Bythinia tentaculata, Linn, Erie canal. 

 West Troy; C. E. Beecher. 



Genus Btthinella, Moquin-Tandon. 



Bythinella obtusa, Lea, Mohawk river, 

 Mohawk; Dr. James Lewis. 



Bythinella obtusa, Lea, Onondaga 

 county; Rev. W. M. Beauchamp. 



Genus Gillia, Stimson. 



Gillia altilis. Lea, Hudson river, Albany 

 county; C. E. Beecher. 



Genus Somatoqyrus, Oill. 



Somatogyrus subglobosus. Say, Erie 

 canal, Mohawk; T. H. Aldrich. 



Genus Amnicola, Gould and Haldeman. 



Amnicola Sayana, Anth., Ontario 

 county; J. M. Clarke. 



Amnicola porata, Say, Mohawk river, 

 Oohoes; C. E. Beecher. 



Amnicola porata, Say, Noi-man's Kill, 

 Albany; C. E. Beecher. 



Amnicola pallida. Said., Mohawk river, 

 Mohawk; C E. Beecher. 



Amnicola pallida, Anth., Norman's Kill, 

 Albany; C. E Beecher. 



Amnicola pallida, Anth., Greenbush, 

 Rensselaer county; C. E. Beecher. 



Amnicola Cincinnatiensis, Anth., Erie 

 canal, Mohawk; T. H. Aldrich. 



Amnicola limosa. Say, Erie canal, Mo- 

 hawk; Dr. James Lewis. 



