South African Fossil Reptiles and Amphibia. 



193 



there is thus no inherent improbability in supposing that this 

 allied form has two canines. The 5 incisors, supposing the sixth 

 tooth to be a canine, occupy a space of 22 mm. The second 

 canine is the largest tooth, oval in cross-section, and having a 

 longer diameter of 5 mm. There is a diastema between the 1st 



FIG. 51. Palatal view of type skull of Akidnognathus parvus. 



canine and the 5th incisor of 2 mm. ; and one of equal size between 

 the large canine and the 1st molar. The molars are much smaller 

 than the incisors, and the 7 teeth occupy a space of 12 mm. The 

 teeth are not serrated ; the incisors are sharply pointed, back- 

 wardly curved, with longitudinal grooves. The molars are pointed, 

 with anterior and posterior borders. Where the crowns are fully 

 preserved, they are seen to be somewhat grooved, 



