PELVIC LIMBS 767 



and with the rest of the plantar border of the tibial surface marks the 

 end of the peroneal groove. 



The surface is irregular, marked by small elevations and depres- 

 sions for the attachment of ligaments. An elongated, articular facet 

 begins near the proximo-plantar angle and runs obliquely dorsally and 

 distally. Above this facet, near the dorso-proximal angle, in some 

 specimens there is a second oval facet. These facets articulate with 

 corresponding facets on the fibular side of the scaphoid. Near the 



FIG. 585. 

 Dorsal Side. 



With Calcaneum J I -^ . 1|| : X| With Ectocunei- 

 Proximal Side. ((^MM^ &* Distal Side. 



With Scaphoid. 



\ Groove for PERONEUS LONQUS. 



Tuberosity. 



Plantar Side. 



LEFT CUBOID, TIBIAL SURFACE. 



middle of the surface is a narrow, slightly curved articular facet 

 which runs obliquely from the root of the so-called tuberosity dorsally 

 and proximally. This facet and another smaller one near the dorso- 

 distal angle are for articulation with the ectocuneiform. These facets 

 are subject to variation, usually in the line of a reduction of the 

 articulating surfaces. 



The dorsal surface (Fig. 558) is almost rectangular, twice as long 

 as it is wide, convex from side to side, and gently concave from the 



FIG. 586. 

 Dorsal Side. 



With Fourth Metatarsal. 



Distal Side. "/^ -tfT ) //^ JLr, , wiih Proximal Side. 



Calcaneum. 



Groove for PERONEUS LONQUS. 



Plantar Side. 



LEFT CUBOID, FIBULAR SURFACE. 



proximal to the distal end. It is wider near the proximal border than 

 at the opposite end. The lateral borders are somewhat emarginate ; 

 the ends are nearly straight. 



