AdPENSEROIDEI AND LePIDOSTEOIDEI. 



id 



Fig. 62. — Restoration of Head of Chond rostes acipenseroideus (after Traquair), Lower 



Lias, Lyme Regis. 



ag, angular bone ; br, branchiostegal rays ; ch, ceratohyal ; cl, clavicle ; d, dentary bone 

 of mandible ; /, frontal ; hm, hyomandibular ; /, jugal ; i.cl, infraclavicle ; mx, maxilla ; 

 op, operculum ; p, parietal ; pf, postfrontal ; pt, post-temporal ; s.cl, supraclavicle ; 

 so, suborbital ; s.op, suboperculum ; st, supratemporal ; sq, squamosal. 



■HIP 



Fig. QZ.—Lepidotus marimus, Lithographic Stone (Upper Oolite), Bavaria. 



Fig. &i.—Dapedius pholidotus, Lower Lias, Lyme Regis, Dorset. 



