THE AMERICAN NATURALIST 



[Vol. XLl 



ANGUILLID.E 



Anguilla chrisypa Rafinesque. Eel. — Delaware River at Tini- 

 cum and Darby Creek, Delaware Co., League Island, Frankford, 

 Tacony, Holmesburg, Torresdale, with the Pennypack Creek basin 

 at Bustleton, in Philadelphia Co., Corn wells, Croydon, Bristol, 

 Tullytown, and ^Vlorrisville, with the Neshaminy Creek basin at 

 Hulmeville and Newtown, Bucks Co., and Dingmans Ferry, Pike 

 Co. (H. T. Wolff); Susquehanna basin at Galeton, Potter Co. I 

 did not meet with eels over the Allegheny divide in Potter and 

 McKean Counties, and the impression is prevalent that they do 

 not occur in the upper tributaries of either the Allegheny or the 



Cyprinid.e 



Campostoma anomalum (Rafinesque). Stone Roller. — Alle- 

 gheny River at Port Allegany, McKean Co., in June, 1906, 

 where I found entirely tuberculated males; Kiskiminitas River 

 (E. D. Cope). 



Chrosomus erythrogaster eos (Cope). Red-bellied Dace. — 

 Cotypes of C. eos Cope examined. 



Hybognathus nuchalis Agassiz. Silvery Minxow.— Kiskimin- 

 itas River (E. D. Cope). 



Hybognathus nuchalis regius (( Jiraiil i. ivvsn.iix Sii x khv Min- 

 now. — Delaware River at Tacony, lloliiu'shtuu-. aii<l Torresdale, 

 Philadelphia Co., and Cornwells and Bri.st<,l, al>o the Xesluuniny 

 Creek basin at Hulmeville and Neshaminy Falls, in Bucks Co. 

 Many exanipl(>> were examined. 



Pimephales notatus (Rafinesque). Bu xi -noskd Mixxow. — 

 Kiskiminitas River (E. D. Cope) and the Alleirheny River at Port 

 Allegany, McKean Co., June, lOOfi. 



Semotilus bullaris (Rafinesque). Vw.i. Kisn. - 1 )e!aware River 

 basin in the Brandywine Creek basin at Kt nnett S(juare, Menden- 

 hall, Wilhstown Barrens, and opposite Chadds Ford, Chester 

 Co.; Darby Creek basin, Ddawan" (O.; Tacony, the Penny- 

 pack Creek basin at Holmesbiu-g and Bustleton, the Poquessing 

 Creek basin opposite Cornwells and Torresdale, Philadelphia 



