272 



Annals of the South African Museum. 



foramen a character in which it differs from C. nasutus. The 

 vomer (" parasphenoid ") is narrow and flat, and markedly concave 

 in its posterior part. In the posterior part of the mandible 6 teeth 

 occupy 11 mm. 



The following are some of the principal measurements : 



Length of mandible (estimated) 330 mm. 



Width of skull 190 



Width across occipital condyles 36 , , 



Width between orbits 38 ,, 



Distance from orbit to tympanic notch 52 ,, 



Width across the " epiotic " cornua 113 ,, 



BAUEIA CYNOPS, g. et sp. nov. 



r.ATKIA CYNOPS. X 



Some months ago I discovered on Mr. Lategan's farm, Vaalbank, 

 near Burghersdorp, the almost perfect skull of a new type of 

 Cynodont. The specimen was picked up at the foot of a little slope 

 of debris, and no trace of the rest of the skeleton could be found. 

 The specimen consists of the skull and first three cervical vertebrae, 

 and is practically perfect with the exception of the back portions of 

 each lower jaw, which have been weathered away, leaving only the 

 impression in the matrix. 



The skull, which is extremely mammal-like in general appearance, 

 measures 134 mm. in length and 82 mm. in breadth. It differs from 

 that of all previously discovered Cynodonts in having the orbits open 

 behind, as in most mammals, and simple conical molars, as in most 

 Therocephalians. On further examination it is seen that Bauria, 



