Kinahan — Slates and Clays {Bricks, fyc). 83 



to those of Bangor (in Wales) in colour and lightness, but superior 

 in durability." They are of Ordovician age. 



Aghaderg parish (Scarva), quarries in places worked prior to 

 1837; Cloontogh (parish of Annahilt), E. S. E. of Hillsborough, 

 " fine slate quarry "; Bangor; Donaghadce, vein wrought only on 

 the surface where the slates are inferior, though better in depth "; 

 Tullycavan (parish of Grey Abbey), S. E. of Newtownards, "an 

 excellent slate, but the quarry is worked injudiciously"; Lough- 

 brisk, west of Downpatrick ; Bally nacrag, near Strangford Lough > 

 near Ballinahinch ; Ballyloe ; Ballyalwood, between Bangor and 

 Ballywalter ; Carngarva, S.W. of Conbiggs Hill ; Moume Moun- 

 tains, small quarries in different places on the lower slopes. 



DUBLIN. 



The slates that occur in this county (page 98) seem not suit- 

 able for roofing purposes. 



[Quotation.— Killaloe, 16" x 8" -16" x 10"- 20" x 10"-22"x ll"-24"x 12"- 

 Prices about 20 per cent, less than the "Welsh ; but they have not a great demand, in 

 consequence of being so heavy. A good wearing slate ; freight about 5s. per ton. 



Present (December, 1887) prices Welsh slates — best blue Bangor, Queens, 85*. 

 per ton; 24" x 14", £13 10*. per 1200 ; 24" x 12", £11 5*. per 1200 ; 22" x 12", 

 £9 5s. per 1200. Port Madoc, 24" x 14"; first quality, £11 10s. per 1200; second quality, 

 £10 5s. per 1200. 



American and Italian slates were in the market some five years ago, and were in 

 use, but are now quite gone out, in consequence of the Welsh men lowering their 

 prices. Both kinds changed colour on the roof, the Italians becoming quite white.] 



FERMANAGH. 



In the Ordovician rocks, north of Lisbellaw, there is a slate vein 

 that has been worked a little ; the slate, however, is of poor 

 quality. 



GALWAY. 



As yet no vein of good roofing slate has been proved in this 

 county. In the Silurians, at Gowlane, north of Letterfrack, there 

 is a kind slate, but it is, unfortunately, so full of joints that it 

 splits up into small pieces. To the north-east, north of Lough Muck, 

 a green slate has been worked ; but it is too heavy, except as slabs 

 for flagging purposes. Still further north, at Salrock farmyard, 



