PLATE IX 



PAGE 



Fig. 1. CORAX PRISTOUOXTUS (Morton) 352 



Inside view. Monmouth formation, Bohemia Mills. 



Fig. 2. CORAX FALCATUS Agassiz 



Front view. Matawan formation, C. & D. Canal. 



Figs. 3-5. EXCHODUS DIRUS Leidy 357 



3. View from outside. X 1. 



4. Same from above. 



5. Same from within. 



Monmouth formation, Seat Pleasant. 



Figs. 6-8. ISCHYRHIZA MIRA Leidy 358 



6. View from side. X 1. 



7. Same from behind. 



8. View of base, anterior margin at the bottom. 



Monmouth formation, Prince George's County. 



Figs. 9, 10. Proximal part of Batoid (?) fish ray 



9. View from below. X 2. 

 10. View from side. X 2. 



Matawan formation, Magothy River. 



905 



