322 Annals of tlie South African Museum. 



Distance from anterior angle of pre-zygapophysis to the posterior angle of 



the post-zygapophysis of one of above 5'G 



United length of the centra of the three figured (text-Figs. SA, SB) dorsal 



vertebrae 9*1 



Length of middle centrum of the three 2'7 



Length of anterior angle of pre-zygapophysis to posterior angle of post- 

 zygapophysis 



Width of the middle of the centrum 3'7 



FEMUR. 

 Approximate width of distal end 10 '5 



TIBIA. 



Length 6-0 



Width 5-2 



FIBULA. 



Length 6-0 



Width (approx.) 4 '5 



EXPLANATION OF PLATE XVIII. 



FIG. 



1. Plesioxit iints rti-paisi*, n.sp. ; palatal view of skull. J nat. size. 



2. Ditto ; hinder portion of left ramus of mandible. nat. size. 



3. Ditto ; hinder portion of right ramus of mandible. nat. size. 



4. Ditto ; sides and outer view of a tooth. nat. size. 



5. 5A. Ditto ; anterior cervical vertebrae from side (5) and from below 



6. Ditto ; anterior cervical vertebra, from behind. nat. size. 



a.i.v., anterior interpterygoid vacuity. 



anrj., angular. 



b.oc., basi-occipital. 



cor., coronoid. 



c.r., cervical rib. 



d., dentary. 



i.n., internal nares. 



m.r., maxilla. 



.xp., neural spine. 



pal., palatine. 



pas., parasphenoid. 



p.i.r., posterior interpterygoid vacuity. 



put.i-., premaxilla. 



ft., pterygoid. 



q., quadrate. 



s. any. art., surangular and articular. 



s.o.r., suborbital vacuity. 



spl., splenial. 



v., vomer. 



