IN THE CARNIVOROUS DINOCEPLIALIAN REPTILES. 



667 



remains — another scapula, a humerus, and many vertebrre — also 

 belong to it. 



Specimen B consists of the greater pai-t of a second skull of 

 apparently the same species. This skull was found near the 

 other, and is made up of a large number of considerably Aveathered 

 sci-aps. Fortunately it is possible to join all the principal 

 portions, and it is found that nearly the complete skull can be 

 restored. The palate is practically'' perfect from the occiput to 

 the front of the prevomers. Much of both maxillfe are present, 

 but very little of the premaxilla?. Much of the left jugal arch 

 is preserved, and the whole of the occipital and squamosal regions 

 are neai'ly complete with the parietals and frontals above, '.i'hese 

 latter are,. however, much weathered. 



Text-fiffui-e 5. 



Upper vinw of skull of Dwophoneus inffcns, gen. et sp. nov. About ] iiat size. 

 The details of the frontal and parietal regions are from Spec. A. 



From the two skulls it is possible to make out all the more 

 important details of the cranial structure. 



The premaxillary region is not very well preserved in speci- 

 men A, and is lost in specimen B. It is manifest, however, that 

 there have been four large incisors, but none of these is fully 

 preserved. As one has the typical Dinocephalian crown, and the 

 lower incisors preserved also have the Dinocephalian crowns, we 

 may infer as highly probable that the incisors all have this 

 peculiar type of crown. The canine is very large, but not well 

 preserved. Behind the canine are 13 molars, which gradually 

 decrease in size on passing backwards. The thirteen occupy a 

 space of about 143 mm. The crowns are not preserved. 



