ORDER I 



STEGOCEPHALIA 



133 



vomer and premaxillae is an aperture to give play to the two median tusks 

 of the lower jaw. Keuper ; Wurtemberg, Franconia, Silesia. 



Fig. 223. 



Cwpitosawus nasutus, v. Meyer. Buntsandstein ; 

 Bernlmrg. Dorsal aspect of skull. 



QuJ 



Fig. 224. 



Metopias d iagnosticus, v. Meyer. Ven- 

 t ral aspect of skeletal fragment. Keuper ; 

 Hahnweiler, near Stuttgart. i/s (after 

 E. Fraas). 



Fig. 225. 



Cyclotosavjms rdbustris, v. Meyer. Keuper; Feurerbach, 

 near Stuttgart. Palatal aspect of skull. 



Cyclotosaurus, Fraas (Fig. 225). Similar to Cajntosaurus, except that the 

 auditory notch is closed behind by the union of the external supratempora 

 with the prosquamosal. Keuper ; Wiirtemberg. 



