40 



MR. O. M. S, WATSON ON 'rUK 



Otherwise the skull is complete and, on the whole, extremely well 

 preserved. It is represented by beautiful and most accurate 

 lithographic drawings in Owen's Catalogue. From Mildenhals, 

 Fort Beaufort, xinother more complete, but less well-preserved, 

 skull from the Endothiodo7i-zone of Beaufort West is in the 

 American Museum of Natural History. 



Text-fisrure 4. 



Par, I Par, S.Oc Ta&. 



Gorgonops torvus Owen. Type-skull. 



Dorsal aspect. X|. Parts in broken line restored without evidence. 



Fe., frontal ; I.Pae., interparietal; Pk.Fe., prefrontal ; P.O., postorbital ; 



Pt.Fe., postfrontal ; S.Mx., septoniaxilla; S.Oc, supraoccipital. 



The skull of Gorgonops has a flat dorsal sui'face, which passes 

 through a chamfered corner into the nearly vertical sides of the 

 snout. The orbit is large, directed almost entirely laterally and 

 of considerable depth. Immediately in fi'ont of it the snout is 



