OPHTH ALMOS AUEUS . 



17 



Text-fig. 8. 



Squamosal and postorbital of OpJithalmosaurus : A, left squamosal from above ; B, ditto from below 

 (the dotted line represents the restored outline of the quadrate border) ; C, right postorbital. 

 (A, B, E. 2146 ; C, E. 2180 : f nat. size.) 



o.h., outer branch of squamosal ; op./., facet for opisthotic ; o.r., orbital rim on postorbital ; 2>a.f., surface 

 for union with the parietal ; p.«.a., postero-extemal angle of squamosal ; q.f., surface for union with 

 upper end of quadrate ; s.t.foss., supratemporal fossa. 



D 



