THE PEDIGREE OF BIRDS 



355 



Fig. 53. -Skeleton of extinct Hesperorms After M^rh 

 sc, scapula; CL.. clavicle ; CO., coracoid ;CA. carina oj ^ed "J^'^'^e 

 duced humerus; 1L.A.. anterior ^nd of ilmrn^ il-P. po^^^^^^^^^ 

 ilium; is.,ischmm; p.p., post-pubis ; ^.^v ^^^^^J' '„ ^^aVso-metatarsus. 

 Fi., fibula; T.T., tibio-tarsus ; A.J., ankle-jomt ; t.mt., tarso meic 



