56 



Dicynodon. 



Dicynodon. 



"Wall-case, 

 No. 9. 

 Table-case, 

 No. 18. 



Oudenodon. 



Table-case, 

 No. 18. 



berg and Beaufort Beds of the Karoo series of South Africa, 

 and the equivalent Gondwana series of Central India. Gor- 

 donia and Geikia, closely related to Dicynodon, have been dis- 

 covered in the reptiliferous sandstone of Elgin, Scotland, 

 which seems to be of Triassic age. 



In Oudenodon both jaws were edentulous ; the maxillae have 

 a sharp external beak-like ridge ; the palate has a vomerine 



Dicynodon. 



Table-case, 

 No. 18. 



Endothio- 

 don. 



FIG. 75. Palatal aspect of cranium of Dicynodon, from the Karoo series of the Cape of 

 Good Hope, S. Africa. . pmx, premaxilla ; mx, maxilla ; vo, vomer ; pal, palatine ; 

 pt, pterygoid ; bs, basisphenoid ; bo, basioccipital ; qu, quadrate ; tr f transverse 

 bone? ; ptn, posterior nares.l. Figure much reduced. 



ridge, and the general shape of the skull resembles Dicynodon. 

 Several species have been described by Owen, all from South 

 Africa. 



Family ENDOTHIODONTID^. This family includes a number 

 of large reptiles from the Karoo formation of the Cape, of 

 which the genus Endothiodon forms the type. They are dis- 

 tinguished from the preceding by the presence of numerous 

 teeth on the palate. The skull resembles Oudenodon, but the 



