104 



Actinopferygti — Protospondyli. 



id 



Fig. 146.— Restoration of Head of ChowlroMtua. acipcitxiroideg, Ag. (after Traquair) ; Lower 

 Lias, Lyme Regis. 

 «(/, angular bone ; /jr, brancliiostegal rays ; ch, ceratohyal ; cl, clavicle: d, dentary bone 

 of mandible ; /, frontal; /;)/(, hyomandibiilar ; _/',jugal; i.c/, infraclavicle ; iit.c, maxilla| 

 o/j, operculum; p, parietal; p.f, postfrontal; p.t, post-temporal; .f.cl, supraclavicle ; 

 s.o, suborbital ; xop, suboperculum ; s.(, suiirateniporal; .vt/, squamosal. 



Fig. 148. — Upidotns uuiximiis, Wagn. ; Lithographic Stone (Upper Oulite), Bavaria. 



