98) 



9. .1 New Thccodont from the Storinbcnj Beds. 



SPHENOSUCHUS ACUTUS, g. et sp. nov. 



(Text-figs. 15-17.) 



This exceedingly interesting new form is described from a 

 specimen collected by Dr. A. L. du Toit from the Bed Beds of 

 Paballon, Mount Fletcher. It consists of an incomplete and some- 

 what crushed skull, with the cervical vertebrae attached, the two 



FIG. 15. Side view of skull of Sphenosuclms acutut. x . 

 (Slightly restored.) 



scapulae, two clavicles, an interclavicle, two humeri, and some other 

 fragmentary bones all in one slab of rock ; and a complete tibia 

 and the distal third of a fibula which in all probability belong to the 

 same animal. 



The skull is somewhat crushed but nearly whole, and shows all 

 the external details. It is larger than that of Euparlceria, and 

 is comparatively more pointed, longer, and narrower. The orbits 

 are rounded, and wholly in the posterior half of the skull. The 

 supratemporal fossa is elongate, oval in shape, and larger than that 

 of Euparkeria or Ornitliosuclnis. The shape of the infrateniporal 

 fossa is characteristic in that its anterior border, formed by the 



