652 



ME. R. BROOM ON ANOMODONT REPTILES 



skulls known from the Lysirosaurus zone, and the only known 

 large one. 



The skull lacks the lower jaw, and has lost by weathering the 

 front of the snout, the right jngal arch and part of the left, but 

 otherwise is fairly complete. Unfortunately, the matrix is hard, 

 and though most of the bony surface has been displayed, it is 

 almost impossible to be sure of the sutures. 



The whole skull is broad and flat. "When perfect it probably 

 measured about 16g inches in length, and it must have been 

 fairly wide. 



Text-fi2-ure 31. 



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Skull of Dicipiodon osborni Broom. Greatly reduced. 



The snout is relatively long, and apparently resembled in some 

 respects that of Kannemeyeria, and as in that genus, there are a 

 pair of very powerful tusks. The nasal region has been broad 

 and rounded, without any very striking bony bosses. 



The frontal region is wide and moderately flat. Low but well- 

 developed bosses are above the antei^ior half of each supraorbital 

 margin. 



The intertemporal I'egion is relatively narrow, and a marked 

 median crest is formed by the flattened parietal overlapped by 

 the large postorbitals. 



The preparietal region has not been satisfactorily revealed. 

 The pineal foramen is evidently small, and situated well back 

 between the approaching postorbitals. Whether a preparietal 



