SKULLS OF CYNODONT REPTILES. 



911 



The secondary palate is almost tyjDically mammalian, tliemaxillfe 

 and the palatines having the same relations as in the mammal. 

 The palatine besides forming part of the secondary palate curves 

 round inside of the maxilla, forming the outer wall and part of 

 the I'oof of the posterior nares. Thei^e is a posterior palatine 

 foramen situated exactly as in Mammals, 



Text-fi^. 177. 



Pmx, 



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Under view of skull of Grompliognatlius minor. 

 The snout restored from G-ompliognathus kannemei/eri. 



The vomer is large and, as in typical Mammals, it forms the 

 median support of the basicranial axis from the sphenoidal region 

 to near the front of the nose. It forms about one-third of the roof 

 of the pharynx, and two small tubercles on its posterior part are 

 probably for the attachment of pharyngeal muscles. In the 

 region of the secondary palate the vomer forms for a considerable 

 distance a median support. 



The pterygoid is of moderate size^ but much smaller than in any 



