610 
weaker, the features grow fainter, and it is only rarely we 
see anything deserving the name of an escarpment at all. 
One of the most striking exceptions, occurring in the 
immediate neighbourhood of this town, is the escarpment of 
the "Woolley Edge Bock, which may be traced from New 
Miller Dam as far south as the neighbourhood of Elsecar. 
Beyond this, the rock, which hereabouts is a coarse and 
massive gritstone about 100 feet thick, dies away altogether, 
and is replaced by shale. I have now given a sketch of the 
general geology of the district of which the Barnsley Coal- 
field forms a part. On some future occasion I hope to be 
allowed to lay before you some details about the coal-field 
itself. 
SOME REMARKS ON FIRE DAMP AND SAFETY LAMPS. BY JOHN 
HUTCHINSON, MANAGER OF THE GAS WORKS, BARNSLEY. 
The subject upon which I am about to offer a few remarks 
is one of deep interest to the Colliery Proprietors and the 
mining population generally of this neighbourhood. And I 
feel sure you will excuse me if I occupy a few minutes of 
your valuable time this afternoon in noticing some facts and 
observations recently made on this subject at the Oaks 
Colliery and elsewhere. 
Anything relating to this ill-fated Colliery is doubly in- 
teresting at the present time, since within the last few days 
some of the bodies of the volunteers, who so nobly rushed 
into this fiery mine ten months ago, in order, if possible, to 
aid, succour, or rescue their fellow men from a dreadful and 
almost certain death, have at length, after overcoming many 
difficulties, been recovered, brought to the surface, identified, 
and interred, which is no small degree of satisfaction to their 
sorrowing relatives and friends. Those in the town of 
Barnsley, who last Sunday and Monday witnessed the funeral 
