*r 



PLATE VII. 



Fig. Page 



1. Steneosaurus obtusidens, Andrews ; skull, from above : one-sixth nat. size. 



[Type specimen, R. 3168.] 131 



2, 3, 4. Ditto ; teeth : nat. size. [Type specimen, R. 3168.] 131 



5, 5 a. Ditto ; caudal vertebra, from back (5) and from right side (5 a) : 



one-half nat. size. [Type specimen, R. 3168.] 132 



6. Ditto; dorsal scute : one-half nat. size. [Type specimen, R. 3168.] 133 



7, 7 a. Ditto ; right ischium, from inner side (7) and front of upper end (7 a) : 



one-third nat. size. [Type specimen, R. 3168.] 110 



8. Ditto; right pubis : one-third nat. size. [R. 3169.] Ill 



ang., post-articular process of mandible. 

 hoc, basioccipital. 



c.f., chevron facet. 



jr., frontal. 

 U.S., surface for ilium. 

 is.s., surface for ischium. 

 mx., maxilla. 



n., nasal. 

 n.sp., neural spine. 



nar., external nares. 

 par., parietal. 

 pmx., premasilla. 

 2>o.f., postfrontal. 

 pr.f., prefrontal. 

 pt., pterygoid. 

 //m.s., surface for pubis. 

 q., quadrate. 

 t.p., transpalatine. 



