SKELETON. 



431 



two bear ribs which reach the sternum and are clearly thoracic ; 

 these are followed by a variable number (about six) of vertebrae 



Fio. 239. Skeleton of Neophron percnopterus (from Claus). CC' carpus ; Cl clavicle ; 

 Co coracoid ; Du inferior spinous processes of the thoracic \ ertebrae ; F fibula ; Fe femur ; 

 II humerus ; Jl ilium ; Js'ischium ; Me metacarpus ; P', P", P'" phalanges of the fingers ; 

 Pb pubis ; Pu uncinate processes of the ribs ; R radius ; Rh cervical ribs ; Sc scapula ; St 

 sternum ; Stc sternal portions of ribs ; T tibia ; Tm tarso-metatarsus ; U ulna ; Z toes. 



