On some Upper Beaufort Therapsida. 303 
turcica the basisphenoid is continued forwards as a median bar overlapped 
laterally by the epipterygoids and then by the pterygoids. The dorsal 
ridge of this median bar is formed of a thin, high plate. 
Cynidiognaihus longiceps — Htn. 
Photograph of palatal view of type skull. 
As in Diademodon the foramen jugulare lies just anterior to the^occipital 
condyle and faces downwards ; while the fenestra vestibuli looks forwards 
and outwards, being separated from the foramen jululare by a thin vertical 
plate of the periotic mass. The bone above the fenestra, instead of having 
a vertical face, as in Diademodon, is bent horizontally to form an eave 
