PLATE IX. 



This plate shows the inferior structure of the third phalanx. 

 Pig. 1. 



View of the third phalanx open from its anterior face. 

 D D D Descending canals. 



P Plantar orifice in continuance with the semi-lunar sinuses. 

 S Semi-lunar sinuses. 

 Fio. 2. 



View of the third phalanx open from its inferior face. The injected 

 "venous vessels are preserved in the system of the canals in the interior of 

 the bone. 

 D D D Descending canals. 



P Plantar orifice continuing itself with the semi-lunar sinus. 



M Plantar vein coming out of the semi-lunar sinus and passing along 



the plantar fissure. 

 S Semi-lunar sinus. 



