1914.] NATURAL SCIENCES OF PHILADELPHIA. 357 



Abramis crysoleucas (Mitchill). 



Gary's Branch and Choptank River near Denton. Aydelotte 

 Branch and Pocomoke River near Willards. 



Notropis hudsonius amarus (Girard).'' 



Gary's Branch and Choptank River near Denton. 



Notropis whipplii analostanus (Girard). 



The Rocks. 



Notropis cornutus (Mitchill). 



Sharon, the Rocks, and Clermont Mills. 



Notropis chalybaeus (Cope). 



Abundant in the Pocomoke River and Aydelotte Branch near 

 Willards, associated with Abramis and Palcemonetes vulgaris. 



Rhinichthys atronasus (Mitchill). 



The Rocks, Clermont Mills, and Laurel Brook. 



Hybopsis kentuckiensis (Rafinesque). 



The Rocks, Sharon, Clermont Mills, and Laurel Brook. 



Exoglossum maxillingua (Le Sueur). 



Same as last species. 



Catostomus commersonnii (LacepMe). 



The Rocks, -and Sharon. 



Catostomus nigricans Le Sueur. 



Clermont Mills. 



Ameiurus catus (Linnseus). 



Choptank River near Denton. 



Ameiurus nebulosus (Le Sueur). 



Gary's Branch, and Choptank River near Denton. Pocomoke 

 River at Willards. 



Schilbeodes insignis (Richardson). 

 The Rocks. 



Esox americanus (Gmelin). 



Aydelotte Branch near Willards. 



Esox reticulatus Le Sueur. 



Gary's Branch, and Choptank River near Denton. Pocomoke 

 River, and Aydelotte Branch near Willards. 



Umbra pygmaea (De Kay). 



Aydelotte Branch near Willards. 



