116 



COMPARATIVE OfeTEOLOGY. 



Fig. 



Skeleton of a Bird, a, Radius and Ulna ; b, Dorsal vertebrfE ; c, Sacrum 

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

 e, Carina of the Sternum ; /, Distal phalanx of pectoral limb. 



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

 c.p. Costal process ; pl.o, Pleurosteon ; c, Carina ; m.x, Middle Xiphoid process. 



