14 Jackson, Deposit of tJie Lower Batin Valley. 



(i) A fairly heavy mass of fine-grained reddish sand- 

 stone, 15 inches long, 6 inches wide, and 5 inches thick, 

 weighing 20 lbs. It is sub-quadrate in section, and all four 

 sides have been used. The grinding surfaces are long and 

 fairly flat, ending each way with a slight upward 

 curvature. (Darbishire collection.) {Plate J V.) 



(2) A smaller semi-circular slab of reddish sandstone, 

 somewhat similar to the above, 9 inches long, 5 inches 

 wide, and i to 2 inches thick ; weight 5 lbs. lioth the 

 upper and lower surfaces have been used. (Darbishire 

 collection.) 



(3) A flat angular slab of soft yellowish-gray sand- 

 stone, 10 inches long, 9 inches wide, and 2 inches thick ; 

 weight 6 lbs. The centre of one face is considerably 

 hollowed out by use. (Bell collection.) 



(4) A small specimen of light-griiy sandstone, 5 inches 

 long, 4 inches wide, and i inch thick. (Bell collection.) 



(5) Two smaller fragments of light-gray sandstone, 

 each exhibiting several, more or less deeply worn, concave 

 surfaces. (Darbishire collection.) 



(6) A small flat piece of sandstone, 4^ inches long, 

 3] inches wide, and |~ inch thick, having a saucer-like 

 depression in the centre, 2]; inches in diameter each way, 

 and I inch deep. Its precise use is doubtful ; by some 

 authorities it is looked upon as a palette for grinding 

 colours. (Bell collection.) 



Whetstones. — Mr. Bell possesses two typical whet- 

 stones of clay-slate, which were discovered at Culbane in 

 the deposit. One is 7 inches long and \\ inches wide, 

 with a hollow groove from edge to edge running the 

 entire length {Plate 111., Fig. 3) ; the other, found 3 feet 

 from the surface, measures j\ inches long and lA inches 

 wide, and has a flat smoothed upper surface with deepl)- 

 incised markings in tjnc or two i)laccs {Plate III., hig. l). 



