572 



MAMMALIAN ANATOMY 

 FIG. 441. 



Greater Sigmoid Cavity. 



Head,-i 



-Scapular Head of TRICEPS. 



1 



FLEXOR CARPI ULNARlS. 



Neck.- 



BICEPS.- 



SUPINATOR BREVIS.- 



EXTENSOR OSSIS METACARPI POLLICIS 



Interosseous Ridges. 



Radius. 



! j 



/ r 



'I'! 



' 





BRACHIALIS ANTIOUS. 



FLEXOR PROFUNDUS OIGITORUM 



and Posterior Border. 



Ulna, 



-PRONATOR QUADRATUS. 



Head. . 

 Styloid Process of Ulna.- 



\-Styloid Process of Radius. 



Distal Articular Surface for Scapho-lunar. 

 ULNA AND RADIUS IN PRONATION, POSTERIOR ASPECT. 



