262 



PALAEONTOLOGY. 



upper one, and the aspect of the orbits (ib. 6) is very oblique, 

 rather more upward than outward. The profile of the face 

 descends by a regular curve from the upper to the fore part, 

 which is nearly vertical, — the prem axillary (22) being continued 



Fig. 96. 



1 and 2. Galesaurus plauiceps, 0\v. ; Trias, Rhenosterberg, South Africa. 



3. Ptychognathus declivis, Ow. ; Trias., ib. ib. 



4. Oudenodon Bainii, B. ; Trias, Fort Beaufort, South Africa. 



more nearly to the level of the alveolar border of the maxil- 

 lary than in Ptychognathus. The nostril (ib. n) is relatively 

 larger than in Ptychognathus declivis ; and both premaxillary 



