37° 



S. W. WILLISTON 



Fig. 3. — Araeoscelis gracilis: A, skull, about adult size, from the side; B, the 

 same, dorsal side; in, maxilla; n, nasal; pf, prefrontal; pa, parietal; poc, paroccipital; 

 /, tabulare; sq, squamosal; q, quadrate; po, postorbital; p, postfrontal, j, jugal; 

 C, left scapulacoracoid, from behind, as preserved in matrix, enlarged one-half; D, the 

 same, from the side, the upper end extended in same plane; E, part of another scapula; 

 F, first four maxillary teeth, much enlarged; G, Opetiosaurus Kramberger, skull, from 

 above. 



