il'fr. Bell en Two new Genera of Land Tortoises. 399 



immediately behind the posterior sterno-costal ridge, and 

 is continued across the back between the fifth and sixth 

 ribs, and between the seventh and eighth marginal, the 

 second and third costal, and across the third vertebral 

 scuta. Stcrninn large ; the general colour blackish, each 

 scutum having a yellow margin, especially in the older 

 specimens ; anteriorly bihd, projecting beyond the upper 

 shell ; the inferior surface very concave : giilar scuta ex- 

 tending far within the shell, and aft'ording a long and firm 

 support to the head and neck. The anterior opening of 

 the shell extending far back on each side. The post-hu- 

 meval plates small. The lateral connection between the ster- 

 num and ribs extending from the fourth to the seventh pairs 

 of marginal plates inclusive. Posterior opening of the shell 

 very wide, particularly at the sides, for the motion of the 

 hind legs. The ante-femoral plates very large. The ster- 

 num in contact with the inferior margin of the upper shell 

 when the moveable portion is closed. 



I regret, that in consequence of the individual which had been 

 living in my possession having been after its death sent to be 

 stuffed, and suffered to become putrid, the notices of the animal 

 are necessarily so confined. 



Dimensions of a rcmarkahhj large specimen. 



Ft. In. Lin. 



Length of the upper shell following the curvature Oil 5 



Length in a direct line 9 



Breadth following the curvature 8 3 



Circumference 153 



Lateral diameter 065 



Vertical diameter 040 



Length of the sternum 8 8 



VOL. XV. 3 F Spec. 



