( 158 ) 



KEFEEENCES TO PLATES. 



Plate XVII. 

 Fig. 



1. Skull of S)'j/l(icosaui-ns -:clatcrl, from above, x -72. 



2. ,, ,, ,, from below, x -72. 



3. Side view of skull of Scijlacosaurus sclateri. x -72. 



4. Side view of skull of Ictidomtiridf augusticeps. X"72. 



5. Eestoration of palate of Scijlacomurua xclateri. x •4.5. Mx, maxilla ; Pa, 



palatine; Pmx, premaxilla ; P.N., posterior nares ; Pt, pterygoid; 

 P.Vo., prevomer; T.P., transpalatine or ectopterygoid. 



Plate XVIII. 



6. Side view of portion of snout of Scijinnosaurus fcrox. x -9. 



7. Front of lower jaw, and upper teeth of Scymnosaurns fero.r. x -5. i', i-, /3, 



i**, (5, the five incisors ; c, canine ; ?«', m', m^, the three molars. 



8. Eestoration of palate of Sci/mnosauru)^ ferox. x "28. Mx, maxilla; Pa, 



palatine; Pmx, premaxilla; P.N., posterior nares; Pt, pterygoid; 

 P.Vo., prevomer. 



9. The i-elations of the bones of the front of the palate as shown in the transverse 



fracture through the roots of the teeth, x -5. 

 10. Fractured maxillary bone of Lycosuchiis maclidyi. x •72. 



