116 



COMPARATIVE OSTEOLOGY. 



Fig. 36. 

 Skeleton of a Bird, a, Kadius and Ulna; 6, Dorsal vertebraj ; c, Sacrum 

 and Pelvis ; g, Ploughshare bone ; h, Tibia ; i. Metatarsus : d, Furculum ; 

 e, carina of the Sternnm ; /, Distal phalanx of pectoral lirab. 



B. 



p.j; jFio. 37. »»•« 



Sternum of a Bird. A, Lateral aspect; B, Inferior aspect; r, Rostrum; 

 «.r>. Costal process; 33I.0, Pleurostson ; c. Carina; m.x. Middle Xiphoid, process^ 



