SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 76, NO. 7, PL. 2 



Xenorophus sloanii, new genus and species. Type. 



Ventral view of skull. About i natural size. Ju., jugal ; La., lachrymal ; Max., maxilla ; Pal. 

 palatine; Pmx., premaxllla; S. or, pr. supraorbital process of frontal; V., vomer. 



