218 



B. L. Moodie — Ancestors of the Eeptilia. 



Amphibamus geandiceps, Cope. 



EXPLANATION OF FIGUEE. 



A restoration of Amphibamus grandiceps. Cope, from the Mazon Creek Beds, 

 Carboniferous of Illinois. The restoration is based on a complete specimen of the 

 species and on Cope's drawings. The form of the body is not conjectural. . 



Skull.— Vx. premaxilla ; N. nasal ; F. frontal ; P. parietal ; So. supra-occipital ; 

 E. epiotic ; L. lachrymal ; Pr. prefrontal ; Pf . postfrontal ; Po. post-orbital ; 

 Sq. squamosal; M. maxilla ; J. jugal ; Qj. quadrato-jugal ; St. supratemporal. _ 



Skeleton. — Ic. interclavicle ; CI. clavicle; Sc. scapula; H. humerus ; R-IJ. radius, 

 ulna; Ca. carpus; Pu. pubis; II. ilium; Fe. femur ; T-Fi. tibia-iibxila ; Ta. tarsus. 



