236 



AVES. 



. 650. Skeleton of Neophron percnopterus. Eh t cervical ribs ; Du, inferior spinous pro- 

 cess of the thoracic vertebras; Cl, clavicle; Co, coracoid; Sc, scapula; St, sternum; 

 Stc, sternocostal bones (sternal ribs); Pu, uncinate process of the thoracic ribs; Jl, 

 ilium; Js, ischium; Pb, pubis; H, humerus ; 22, radius; V, ulna; Cff, carpus: Mc t 

 metacarpus ; P'P" P"', phalanges of the three fingers; Fe, femur; T, tibia ; F, fibula; 

 Tm, tarso-metatarsus ; Z, toes. 



