282 B. Smith — Note on the Miocene Drum Fish, 



Fig. 10. Fig. 11. 



Fig. 10. — Pogonias multiclentatus Cope. Type, Nomini Cliffs, Westmore- 

 land County, Virginia. Second right upper pharyngeal (functional 

 surface) with crushing teeth gone. Length — 49"" n . 



Fig. 11. — P. multidentatus Cope. St. Mary's Formation, St. Mary's River, 

 Maryland. Second left upper pharyngeal (functional surface) with 

 crushing teeth gone. One successional tooth shows on the posterior 

 part of the inner margin. Length = 35 ,nm . 



Fig. 12. 



Fig. 13. 



Fig. 12. — Dorsal surface of fig. 11 showing ridge leading to the second 



epibranchial attachment. 

 Fig. 13. — Dorsal surface of fig. 10, showing the large rounded knob on the 



posterio-lateral region which served for the attachment of the fourth 



epibranchial. 

 Figures all arranged with the anterior end uppermost. 



