1917.] NATURAL SCIENCES OF PHILADELPHIA. 123 



Dorosoma cepedianum (Le Sueur). " 



Bohemia Bridge and South River, 



Anchovia mitchilli (Valenciennes) . 



Rhodes River, Barrow, Muddy and Scaffold Creeks. 

 Ameiurus oatus iLinn6). 



Bohemia Bridge. 

 Ameiurus nebulosus (Le Sueur). 



Bohemia Bridge and Annapolis. 



Hybognathus nuohalis regius (Girard). 



Muddy Creek. 

 Semotilus atromaculatus (Mitchill). 

 Swan Creek. 



Leuciscus vandoisulus Valenciennes. 



Swan Creek, Principio Furnace and Leslie. 

 Abramis crysoleucas (Mifchill). 



Bohemia Bridge, Scotchman, Cove and Muddy Creeks. 

 Notropis bifrenatus (Cope). 



Muddy Creek. 



Notropis procne (Cope). 



Swan Creek. 

 Notropis hudsonius amarus (Girard). 



Bohemia Bridge, Scotchman Creek and Charlestown. 

 Notropis cornutus (Mitchill). 



SAvan Creek, Principio Furnace and Leslie. 

 Notropis photogenis amoenus (Abbott). 



Leslie. 

 Rhinichtbys atronasus (Mitchill). 



Principio Furnace and Leslie. 

 Hybopsis kentuckiensis (Rafinesque). 



Principio Furnace and Leslie. 



Exoglossum maxillingua (Le Sueur). 



Swan Creek, Principio Furnace and Leslie. 

 Cyprinus carpio Linne. 



Bohemia Bridge, Scotchman Creek, Rhodes River and Muddy 

 Creek. In the Rhodes River two large ones were found thickly 

 parasitized with JEgathoa oculata (Say). 

 Catostomus commersonnii (Lac6pMe). 



Swan Creek, Bohemia Bridge, Cove Creek, Principio Furnace and 

 Leslie. 



