PLATE IV. 



This plate represents the superior, anterior, and posterior faces of 

 the third phalanx, or j^edis, known as the coffin bone. 



Fig. 1. 



Superior and anterior face of the third phalanx. 

 B Superior face. B Anterior face. 



A V> Vascular openings disseminated on the anterior surf ace of the bone. 

 C Patilobe eminence. 

 D Br.silar apophysis, or process. 

 E Pre-plantar fissure. 

 F Superior border. 



G Spreading out of the articular tr.hle, or surface. 

 K Pyramidal eminence. 

 N Glenoidal cavities of the superior face. 

 O () O Orifices of the descending osseous canals. 

 R rtetrossal apojihysis, or process. 

 U Notched, or denticulated border. 

 V Posterior border. 



Fi( 



Inferior face of the tliird phalanx. 

 A Semi-lunar crest. 



C Vascular orifices, — anterior face of o.-; pedis. 

 II Plantar fissure, — groove, or opening;. 

 J Imprint of the insertion of the perforaus tendons. 

 T.I Vascular orifices. 

 P Anterior view of the inferior face. 

 R Retrossal apophysis, or process. 

 S Internal edge of the plantar fissure. 

 V Posterior border of the bone. 



