1908.] NATURAL SCIENCES OF PHILADELPHIA. 553 



isjhowever, by no means rare in the Delaware. It reaches a length 

 of 6 inches and though rather small is sometimes said to be used as -a 

 pan fish. It is usually to be found in clear running water with other 

 small fishes, and readily takes a hook. 



Plate XXVII — Notropis keimi Fowler. 



