70 Proceedings of the Biological Society of Washington. 



Hadropterus phoxocephalus (Nelson). Slender-headed Darter. 

 Reported from the Monongahela by Evermann and Bollman. 1 



Hadropterus macrocephalus (Cope). Long-headed Darter. 



Cope's types of Etheostoma macrocephalum from the Youghiogheny ex- 

 amined. The late Dr. Bean reports it from French Creek 2 and Foxburg. 3 



Hadropterus peltatus (Cope). Shielded Darter. 

 Delaware basin in Montgomery County. 

 Susquehanna basin in Berks, Dauphin, Lancaster and Snyder Counties. 



Hadropterus aspro (Jordan). Black-sided Darter. 



A number of examples from Indiana County, some I wrongly identified 

 with H. macrocephalus.* 



Etheostoma blennioides Rafinesque. Green-sided Darter. 



Reported from the Kiskiminitas and Monongahela Rivers, and my 

 material from the Beaver River. 



Boleosoma nigrum (Rafinesque). Johnny Darter. 

 Ohio basin in Clarion, Indiana and McKean Counties. 



Boleosoma nigrum olmstedi (Storer). Tessellated Darter. 



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

 Montgomery, Northampton, Philadelphia and Pike Counties. 



Susquehanna basin in Berks, Blair, Cameron, Chester, Cumberland, 

 Huntingdon, Columbia, Dauphin, Lancaster, Luzerne, Mifflin, Perry, 

 Snyder, Sullivan and York Counties. 



Elk basin in Chester County. 



Ammocrypta pellucida (Putnam). Sand Darter. 



Reported from the Youghiogheny and the Monongahela. I have it 

 from Erie. 



Pcecilichthys variatus (Kirtland). Variegated Darter. 



Described as Hadropterus tessellatus by Jordan from the Allegheny at 

 Foxburg. 5 Evermann and Bollman report it from the Monongahela, 8 and 

 McConnell mentions it from French Creek above Franklin. 7 The specimen 

 mentioned by Jordan and Evermann from Easton is likely with wrong 

 locality. 8 



lAnn. N. Y. Acad. Sci., Ill, 1883-5 (1886), p. 339. 



2Rep. Com. Fisher. Pa., 1889-91 (1892), p. 122. 



3Bull. U. S. Nat. Mus., No. 27, 1884, p. 466. 



4Science, XXXI, March 4, 1910, p. 346; Proc. Acad. Nat. Sci. Phila., 1912, p. 49. 



sBull. U. S. Nat. Mus., No. 10, 1877, p. 7. 



6Ann. N. Y. Acad. Sci., Ill, 1883-5 (1886), p. 339. 



7Rep. Com. Fisher. Pa., 1905, p. 178. 



SBull. U. S. Nat. Mus., No. 47, 1, 1896, p. 1069. 



