KEFEEENCES TO PLATE XIX. 



A. antorbital vacuity ; An. angular : Co. coronoid ; D. dentary ; Ju. jugal ; La. 

 lachrymal; Mx. maxilla; Na. nasal; 0. orbit; Pa. palatine; Pmx. premaxilla ; 

 P.N. posterior nares; Pt. pterygoid; Pvo. prevomer; Sa. surangular ; Sp. splenial ; 

 T.P. transpalatine ; Vo. vomer. 



Fig. 1. Side view of skull of Proterosuchus fergiisi x •45. 



Fig. 2. Upper side of the bones of the palate of Proterosuchus f erg usi x '45. 



Fig. 3. Restoration of the palate of Proterosuchus fergusi x -45. 



Fig. 4. Trans, section of the palate at the point marked by an arrow in fig. 3 

 x -6. 



