1922] NATURAL SCIENCES OF PHILADELPHIA. 27 



Explanation of Plates I, II. 



The line accompanying each figure represents ten millimeters. 

 Plate I. — Notropis brimleyi B. A. Bean. Notropis sceplicus (Jordan and 



Gilbert). 



Hybopsis rubrifrons (Jordan) . 



Notropis cerasinus (Cope). Notropis lutipinnis (Jordan and Brayton). 



Plate II. — Poecilichthys inscriptus (Jordan and Brayton). Boleosoma siig- 



maeum Jordan. 

 Catostomus rhothoecus Jordan and Evermann. 

 Poecilichthys maculatus (Kirtland). Poecilichthys squamiceps (Jordan). 



