60 Proceedings of the Biological Society of Washington. 



Notropis deliciosus (Girard). Straw-colored Minnow. 



Recorded from the Monongahela by Evermann and Bollman, 1 and I 

 have it from Indiana County. 



Notropis procne (Cope). Swallow Minnow. 



Delaware basin in Berks, Bucks, Chester, Delaware, Montgomery and 

 Philadelphia Counties. 



Elk and North East basins in Chester County. 



Susquehanna basin in Berks, Columbia, Dauphin, Lancaster, Lebanon, 

 Snyder and York Counties. 



Notropis boops Gilbert. Big-eyed Minnow. 

 I obtained it at Foxburg in Clarion County. 2 



Notropis keimi Fowler. Allegheny Minnow. 

 Only the types obtained in the Allegheny basin. 3 



Notropis hudsonius (Clinton). Spawn-eater. 



Ohio basin in the Monongahela River and McKean County. Erie basin 

 in Erie County. 



Notropis hudsonius amarus (Girard). Eastern Spawn-eater. 



Delaware basin in Bucks, Chester, Delaware, Lehigh, Montgomery, 

 Philadelphia and Pike Counties. 



Susquehanna basin in Center, Columbia, Dauphin, Lancaster, Lebanon, 

 Snyder and York Counties. 



Notropis whipplii (Girard). Silver-fin. 

 Ohio basin in the Kiskiminitas and Youghiogheny Rivers, and McKean 

 County. Erie basin in Erie County. 



Notropis whipplii analostanus (Girard). Eastern Silver-fin. 



Delaware basin, Berks, Bucks, Carbon, Chester, Delaware, Lehigh, 

 Montgomery, Philadelphia and Pike Counties. 



Elk basin in Chester County. 



Susquehanna basin in Berks, Blair, Columbia, Dauphin, Huntingdon, 

 Lancaster, Lebanon, Mifflin, Perry, Snyder, Susquehanna, Wyoming and 

 York Counties. 



Notropis cornutus (Mitchill). Red-fin. 



Delaware Basin in Berks, Carbon, Chester, Delaware, Lehigh, Monroe, 

 Montgomery, Northampton, Philadelphia and Pike Counties. 



Elk basin in Chester County. 



Susquehanna basin in Bedford, Berks, Cameron, Chester, Columbia, 

 Cumberland, Center, Dauphin, Lancaster, Lebanon, Luzerne, Lycoming, 

 Perry, Sullivan, Snyder, Susquehanna, Wyoming and York Counties. 



iL. c. 



^Science, XXXI, March 4, 1910, p. 338. 



sProc. Acad. Nat. Soi. Phila., 1908 (1909), p. 533, PI. 27. 



