Trans. Am.Philos.Soc.NS. XX. 



18. 



Case del. 



1. PREMAXIUARY. 



2. NASAL AND MAXILLARY. 



3. PREFRONTAL. 



6. JUGAL. 



13. BASESPHENOID LATERAL VIEW. 

 16. PTERYGOID, LOWER VIEW. 



17. DENTARY. 



18. ARTICULAR REGION, = A; ARTICULAR. 



