THE RABBIT 



435 



nine bones of the typical plan are present, arranged, as 

 usual, in a proximal and a distal row with a central 

 bone or centrale between them. In the proximal row of 

 three bones the radial is known as the scaphoid or navicular, 



_ 1i- cap.zu 



A B 



Fig. 319. — Bones of the left fore-limb of man. 



A, In pronation; B, in supination. 



, Os multangulare majus or trapezium ; c.^ t multangulare minus or trapezoid ; c.3, 

 capitatum or magnum: c. 4 , hamatum or unciform; cap.h., capitulum of the 

 humerus, with which the radius articulates; cap.r., capitulum of the radius; 

 cafi.u., capitulum of the ulna; cor.f., coronoid, fossa; ku. t humerus; £m. y 

 os lunare or semilunar ; wc. 1 , mc. 5 , first and fifth metacarpals ; pi., pisiform ; 

 r.c. y os naviculare or scaphoid ; ra,., radius ; ra.f., radial fossa ; st.p.r., styloid 

 process of the radius; tro., trochlea; u.c 7 os triquetrum or cuneiform; ul. } 

 ulpa. 



