PLATE VI. 



Page. 



Hoplopferyx superbus (Dixon) ; head and imperfect trunk, partially distorted, 

 right lateral aspect, nat. size. — Chalk ; Kent. B. M. no. 33486. 

 ao., antorbital ; c/., hinder expansion of clavicle; r/., dentary; iop., 

 interoperculum ; mx., maxilla ; oj)., operculum ; j?/r., base of pelvic 

 fin ; pmx., premaxilla ; pop., preoperculum ; ptt., post-temporal ; sc, 

 scapula; smx. 1, 2, supramaxillae ; socc, supraoccipital crest; sop., 

 subopercuhim ; s])h., supraorbital flange of frontal. 21. 



