"Pectoral girdle of Rana esculenta. The cartilaginous parts are dotted. Ep., Episternum; om., omosternum; Ep.c., Epicoracoids; st., sternum; x., xiphisternum; cl., clavicle with underlying precoracoid cartilage; co., coracoid; Sc., scapula; S.sc., supra-scapula; Gl., glenoid cavity for humerus." -Thomson, 1916

Frog Pectoral Girdle

"Pectoral girdle of Rana esculenta. The cartilaginous parts are dotted. Ep., Episternum; om., omosternum;…