532 



E. C. CASE 



extension of the jugal took part in the posterior edge of the ant- 

 orbital opening. On the inner side of the anterior lower angle of 

 the jugal are two articular faces which are separated by a deep 

 groove; this when opposed to the maxillary would form a large 

 foramen. 



Fig. 6. — Lower view of the skull of Phytosaurus doughtyi, X| 



The orbits are nearly circular and are separated from the lateral 

 temporal opening and the antorbital opening by strong bars. 

 The anterior bar, formed by the lachrymal, is without sculpture 

 but there is no indication of the opening extending backward in a 

 depression on the surface of this bone. 



The nasals are nearly flat in their posterior part but rise sharply 

 to the posterior edge of the nares, which open upon a considerable 



