Fig. 43. — Pectoral Aech of Various Amphibians. (From the ventral side). A — Urodele 

 (diagrammatic) ; B — Axolotl ; C — Bombinator igneus ; D — Rana esculenta. 



SS, suprascapula ; S, scapula; CI, proooraooid; C'/' (CI in D), clavicle ; C, coracoid; EC, 

 Co\ epicoracoid; t, Pf, G, glenoid cavity. for the humerus; <SV, ,V/i, sternum; Up. 

 omosternum ; Fe, fenestra between procoracoid and coracoid bars. * and t in B indicate 

 nerve-apertures. 



