Stewart. I Cretaceous Fishes, 401 



PLATE LIX. 



Em po nepceolica Cope, one-third natural size. 



Fig. 1. — Top view of skull: eth, ethmoid; fr, frontal; po, \ ostorbltal; so, 



supraoceipital : eo, exoccipital. 

 Fig. la. — Pectoral fin-rays. 

 Fig. 2. — Inferior view of skull. 

 Fig. 3a.— Palatine. 



Fig. 3b.— Mandible: den, dentary; art, articular. 

 Fig. ±. — External view of dentary. 

 Fig. 5. — Ethmoid seen from below. 

 Figs. 6a, b, c. — Hyoid bones. 

 Fig. 7.— Quadrate. 

 Fig. 8. — Preoperculum. 

 Fig. 9. — Operculum. 



PLATE LX. 



Stratodua apical is Cope, slightly over one-half natural size: sk, top of skull; 

 pmx, den, dentary; pal, palatine. 



PLATE LXI. 



Stratodus apicalis Cope. 



Fig. 1. — Top view of skull, one-half natural size: fr, frontal; pa, parietal; 

 pt, pterotic; eo, exoccipital. 

 Em po nepaiolica Cope, one-half natural size. 



Fig. 2. — Vertebra? seen from the side. 



Fig. 3. — Ethmoid seen from below. 



Fig. 4. — Hyomandibular. 



Fig. 5. — Premaxilla( ?). 

 Empo semiancepn Cope, one-half natural size. 



Figs. Qa, b. — Palatine, inferior and side views. 



Fig. 7. — Mandible. 



Fig. 8.— Ceratohyal. 



Fig. 9. — Posterior view of cotylus of articular. 

 Erapo lisbonenxi.s Stewart. 



Figs. 10", b. — Inferior and side views of palatine. 



PLATE LXII. 

 Prot08phyrcena gig as Stewart, slightly under one-third natural size. 



