Trans.Am.Philos.Soc.N.S.XX. 



la. 



V e 



16 



■■■-■..:■" -'T^'' 



i 3 . 



Case del. 



1. PREMAXILLARY. 



2. NASAL AND MAXILLARY. 



3. PREFRONTAL. 



fi. JUGAL. 



13. BA8ESPHEN0ID LATERAL VIEW. 

 16. PTERYGOID, LOWER VIEW. 



17. DENTARY. 



18. ARTICULAR REGION, -: A J ARTICULAR. 



