Fig. 219. Skeleton of Seymouria. Actual length 20 in. 

 (From Williston, Osteology of the Reptiles, Harvard University Press.) 



Fig. 220. Skull and pectoral girdle of Seymouria (after Williston). 



c. coracoid; cl. clavicle; id. interclaviclc; j. jugal; /. lachrymal; m. 

 maxilla; po. post-orbital; qj. quadratojugal; sc. scapula; sq. squamosal. 



