REGIONAL ANATOMY 11 



Fig. 4. — Third Phalanx or Os Pedis (Postero-lateral View). 

 1, Anterior or laniinal surface ; 2, preplantar foramen ; 3, preplan tar groove ; 

 4, basilar process of the wing ; 5, retrossal process of the wing ; 6, foramen 

 caused by the ossifying together posteriorly of the basilar and ret 

 processf s. 



Fig. 5. — Third Phalanx or Os Pedis (viewed from Below). 



1, Plantar surface ; 2, plantar foramen and plantar groove ; 3, semilunar crest ; 



4, tendinous surface ; 5, retrossal processes of the wings. 



