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THE AMERICAN NATURALIST [Vol. XLI 



and Poquessing Creek at Torresdale, and opposite Cornwells, 

 Philadelphia Co. ; Wisahickon Creek near Barren Hill and Penny- 

 pack at Hatboro, Montgomery Co.; Neshaminy Creek at Croydon, 

 Hulmeville, Neshaminy Falls, Frog Hollow, Chalfont, and New- 

 town, Mill Creek at Bristol, Tullytown Creek at Tullytown, 

 Morrisville, Bucks Co.; Dingmans Ferry, Pike Co. (H. T. Wolff); 

 Daleville, Lackawanna Co. In the Susquehanna basin it occurs 

 in the Octoraro and Northeast Creeks near Nottingham, Chester 

 Co.; Paradise in Lancaster Co. (J. S. Witmer); the Loyalsock 

 Creek near Lopez, Sullivan Co., and Pine Creek at Galeton and 

 above, Potter Co. In the Allegheny River it is abundant at 

 Coudersport and Raymonds, Potter Co. Kiskiminitas River (E. 

 D. Cope). Youghiogheny River (E. D. Cope). Genesee basin 

 near Gold, Potter Co. Potomac drainage of Fulton Co., (W. 



Hybopsis kentucMensis (Rafinesque). Horxed Chub. — Sus- 

 quehanna basin in Elk Creek, Chester Co. (E. D. Cope); Conestoga 

 Creek, Lancaster Co. (E. D. Cope). Beaver River (E. D. Cope); 

 Youghiogheny River (E. D. Cope); Kiskiminitas River (E. D. 

 Cope); Warren Co. (Dr. J. H. Slack); Allegheny River at Port 

 Allegany, McKean Co. 



Exoglossum maxillingua (Le Sueur). CrT-urs Mi wow . - Alle- 

 gheny River at Port Allegany, McKean Co. 



Carpiodes cypiinus (Le Sueur). Eastern Carp Sucker. — 

 Conestoga Creek, in the Susquehanna basin, Lancaster Co. (E. 

 D. Cope). 



Cycleptus elongatus (Le Sueur). Black Horse.— Kiskimini- 

 tas River (E. D. Cope). 



Catostomus commersonnii (Lacepede). Common Sk keh - Del- 

 aware River in the Brandywine tributaries at Keruiett S(,uare, 

 Mendcnhall and opposite Clia.lds Ford, Chester Co.; Tinicum, 

 Ridlfv, (ol.l.'s and l)arl)v ( ir.-ks, 1 Maware Co. ; Pennypack 

 Creek af llatboro, Montgoin<'ry Co.; lacony Creek, Pennypack 

 Creek at Holmesburg and Bustleton, Poquessing Creek at Torres- 

 dale and opposite Cornwells, Philadelphia Co. ; Neshaminy Creek 



