PLATE VI. 



Fig. Page 



1. Steneosaurus durobriuensis, Andrews ; skull, from above : one-fourth nat. 



size 124 



2. Ditto; skull, from below : one-fourth nat. size 124 



3, 3 a. Ditto ; tooth, from back (3) and from outer side (3 a) : two-thirds nat. size. 124 



4 & 5. Ditto; dorsal scutes: one-half nat. size 124 



6, 6 a. Ditto ; sacrum, from left side (6) and from the front (6 a) : one-half nat. 



size 



124 



All the specimens figured in this Plate are parts of the type skeleton, R. 3701. 



ang., angular. 

 a.z., anterior zygapophysis. 

 hoc, basioceipital. 

 bsp., basisphenoid. 

 eu.m., median eustachian opening. 



ft:, frontal. 

 i.nar., internal nares. 

 I., lachrymal. 

 mx., maxilla. 



n., nasal. 

 n.a., neural arch. 

 nar., external nares. 

 n.sp., neural spine. 



orb., orbit. 

 pal., palatine. 

 par., parietal. 

 pmx., premaxilla. 

 po.f., postfrontal. 

 pr.f., prefrontal. 

 pt., pterygoid. 

 q., quadrate. 

 q.j., quadrato-jugal. 



«., suture between neural arch and sacral rib. 

 sc.r., sacral rib. 

 sq., squamosal. 

 t.p., transpalatine. 



