REGIONAL ANATOMY 



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



i. Anterior or laminal surface; 2, preplantar foramen 3, preplantar 

 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 retrossal processes. 



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

 1, Plantar surface; 2, plantar foramen and plantar groove; 3, semi- 

 lunar crest ; 4, tendinous surface ; 5. retrossal process of the 

 wings. 



