58 



PKOF. H. G. SEELEY ON A NEW 



external to which it projects laterally more than a centimetre. The 

 facet is still concave, with a central pit. 



Fig. 2. — Sphenospondylus, left side of a Dorsal Vertebra. (Pox 

 Collection, Brit. Mus. ^.) One half nat. size. 



b. Facet for head of rib. 

 z. Postzygapophysis. 



tp. Tranverse process. 



