10 



THE AMERICAN NATURALIST [Vol. XLI 



River in the Brandywine at Chadds Ford, Delaware Co.; the 

 Pennypack at Holmesburg and Bustleton in Philadelphia Co., 

 and Hatboro in Montgomery Co.; the Poquessing at Cornwells, 

 the Neshaminy at Croydon, Hulmeville, Neshaminy Falls, and 

 Newtown, and Mill Creek at Bristol, Bucks Co. Abundant and 

 rather local. 



Notropis cayuga Meek. Cayuga Minnow. — I have already 

 recorded the only example seen, which was taken near Port Alle- 

 gany in 1904. 



Notropis procne (Cope). Swallow Minnow. — Cotypes of 

 Hybognathus procne Cope examined. I have examples also from 

 the Delaware basin taken in the Schuylkill (E. D. Cope) and the 

 Pennypack Creek near Holmesburg, Philadelphia. A small 

 minnow was taken on one occasion, which may be this species, 

 in the headwaters of Northeast Creek, near Nottingham, Chester 

 Co., in the Susquehanna basin. 



Notropis hudsonius amarus (Girard). Eastern Gudgeon.— 

 Susquehanna basin at Paradise, Lancaster Co. (J. S. Witmer). 

 Delaware basin in the Brandy wine Creek at Chadds Ford, Dela- 

 ware Co. ; open river and Pennypack Creek at Holmesburg, and 

 the Poquessing at Torresdale, Philadelphia Co.; Neshaminy 

 Creek at Croydon, Hulmeville, and Neshaminy Falls, and Mill 

 Creek at Bristol, Bucks Co. More abundant in the larger streams. 



Notropis whipplii (Girard). Silver Fin.— Youghiogheny River 

 (E. D. Cope) and Kiskiminitas River (E. D. Cope). 



Notropis whipplii analostanus (Girard). Eastern Silver Fin. 

 — Delaware River basin in the Brandywine Creek at Chadds 

 Ford, and Darby Creek, Delaware Co.; Wissahickon Creek near 

 Barren Hill, and Pennypack Creek near Hatboro, Montgomery 

 Co.; Tacony Creek, Pennypack at Holmesburg and Bustleton, 

 and Poquessing Creek at Torresdale and opposite Cornwells, 

 Philadelphia Co.; the Neshaminy Creek at Croydon, Hulmeville, 

 Neshaminy Falls, Frog Hollow, and Newtown, Mill Creek at 

 Bristol, Tullytown Creek at Tullytown and Morrisville, Bucks 

 Co.; Dingmans Ferry, Pike Co. (H. T. Wolff). It is also abun- 

 dant in the Susquehanna basin where I received it from Paradise, 

 Lancaster Co. (J. S. Witmer), and the Northeast Creek at Notting- 

 ham, Chester Co. 



