B6 



'//// BONB6 



Tho f, 'iirlli, or nn mr; '/./</,*, (In- in,.st v<.limiiii..iis ,,f tlic r.\v. luis only 

 four facets, and articulates by its inferior face \\ith UK , HKHJHHM and 

 trapezoii /<.>. 



Collectively, the second, third, and fourtli bones of tho upper row form 

 two articular surfaces. 



The superior, or radial articular surface, is very irregular; but in ex- 

 amining it from withe** to within there may IK: c'.Wrved : 1, A gV>">i<l 

 cavity on the pyramidal bone; 2, In front, a transversely-elongated con.lyle 



Fisr. 



i-. 41;. 



ItttTKHlOU VIKW OF THE KKillT 

 CARPUS. 



1, Second cuneiform, or pyramidalis ; "2, 

 Third, or hmare ; 3, Fourth, or sca- 

 phiiides; 4, First, superrarpal, jiisiform, 

 or trapezium ; f>, First of lower row, 

 or unciforin; (i, Second, OT magnum; 

 7, Third, or trapczoides; *, *, Small 

 meticarpal bones. 



FIJONT \U:\\ OK 1UGI1T CAUIM .-. 



Second of upper row, or cuneiform ; 

 2, Third, or lunare; .'!, Fmirtli. m 

 scajiliiiidcs ; 4, First, sujii-rcarpal, or 

 tra]ic/ium ; .">, First of scroiiil row, "r 

 iincifurin ; <>, Second, i>r m;i;j;i]iiin ; 

 7, Third, or trape/oides. 



on tho scmilunar and scaphoid bones ; 3, A groove placed behind the pro- 

 ceding condyle. 



The inferior articulating surface, which corresponds to tho second row, 

 is constituted by several undulated facets; it is convex outwardly and in 

 front, concave posteriorly and inwardly. 



BONES OF THE INFEBIOK OB METACAKPAL Row. The thickness of ili< -so 

 bones decreases from without to within. 



The first, unciforin, or Iwoklmne (on tantalum), has four diarthrodiul 

 facets, and responds, above, to tho two first bones of tho superior row; 

 below, to tho first and second mctacarpals. 



Tho second, os nuiynum, or on i-Hf,iiiilinn, the largest, has seven articular 

 facets, three of which are on tho interno-latoral face. It articulates, above, 



