IN BUNDELKHAND. 



Floor of the mine of Kamariya, 1380 feet. 



Bed of the ^flg m river due south of them, 1380 



Floor of the mines of Brijpur, 1260 



Bed of the ^««-m river exactly opposite, 1250 ,, 



Matrix swept away. 



Top of its 1st cascade, 1120 feet. 



Transported Diamonds. 



Bottom of 1st cascade, 900 feet. 



Bottom of 2d cascade, 700 



From this list it would appear that the rock matrix of the diamond in 

 the Panna mines has been swept away at an elevation of 1100 feet, and 

 that its lowest position in situ is between 12 and 1300 feet above the sea. 



2d. The contracted limits of this diamond tract has already been men- 

 tioned, as a peculiarly striking circumstance; the same kind of sandstone 

 as that in which the diamond is found, extends far beyond those limits and 

 why does it not contain diamonds also ? to this question I can only reply 

 by the following explanation ; on the north, the scarp of the Binddchal 

 hills rests as a point d'appui on a low ridge of sienitic granite and the 

 plains of Bundelkhand exhibit primitive rocks throughout — therefore ex- 

 cepting transported diamonds, none can be expected in that quarter ; the 

 south, lias limestone stretches along the outline of the counterscarp of the 

 second range of hills^ — and here again (excepting the diamonds of the coun- 

 terscarp) none are ever found — being perhaps buried by the overlying 

 limestone ; on the ivest, the sandstone becomes thinner, being often little 

 iiore than a mere capping; the conglomerate form is also frequent, but in 

 the diamond tract it is remarkable that there is no other conglomerate 



G 2 than 



