8 NORTH AMERICAN FRESH-WATER FISHES. 



CYPRINID.^. Tlate 2. 



NOTROPIS MEGALOPS (Hafinesqne) 



HYPSOLEPIS PACHYSOMUS. Baird 



Tlie Common Shiner. 



(:\Ia]e.) 



Fig. 1. Side view of skull. 



2. Top view of skull. 



3. Lower view of skull. 



4. Rear view of skull. 



5. Outline of section of body at dor.sal fin. 



6. Scale from the lateral line. 



7. Scale from above the lateral line. 



8. Scale from below the lateral line. 



9. Lower pharyngeal bones, with teeth. 

 10. Right lower pharyngeal. 



n. Outline of body from above. 

 12. Male fish, nearly adult. 



