OPHTHALMOSAUEUS. 



25 



Text-fig. 14. 



^^■f 



sut. 



Eight parietal of Ophthalmosaurus : A, from above ; B, from outer side ; C, from below. 



(E. 2162, I nat. size.) 



? col., depression which probably received the upper end of the cohimella cranii ; /)•./., facet for frontal ; 

 p>-./., facet for postfrontal ; soc.f., surface for supraoccipital ; sq.f., facet for squamosal ; sq.p., squamosal 

 process ; sut., suture between parietala ; t.r., tentorial ridge across roof of brain-case ; v.pr., ventral 

 (outer) process. 



