MAYO. The geological stitictiire of Mayb in iLS general features, that df Gala aj, exhibiting an arrangement Of Primitiy and secondary; rocks skirting a linieitone biishi. AS usual, the cultivated district arid the field of limestone are coextensive. Indi cations of coal are said to haVe been observed in Slieve Cambia, and depOsits of manganese occur near Westport, but at present there are nd mining operations carried On in this county beyond the quarrying of slates. Marble sus ceptible of a gold polish has been quarried in several parts of the barony of Murrisk. Generally speaking, cultivation occurs only in detached patches. In 1847 out of the 1,303,882 acres which Mayo contains, there were only 122,587 under crops. The coast fishery, which might he rendered very pro ductive, gives employment to about 4,000 fish ermen. Turbot, sole, cod, ling, bake, had dock, plaice, Oysters, lobsters, and herrings, are caught.
The mahufactithe of linens is carried on to a considerable extent by the bottntry People : the cloth it generally sold in the rough state by the small manufachnerS, and bleached in other counties. There is also throughout tilt
htilihtf the hanal hoirle manufacture of fliezes tind coarse OttbIlenS: Tlie l Clistlebar Telegraph;' in a reedit ottil edhcerning the products which will be for Warded td the Exhibition from Mayo; state§ that lIt it kit iindonbteti fact that no equal extent of Cottntry ih Ireland—ay, in Great enteel MaYb in her minerals of coPP6rOettd; tint; iron, metal, marble, coal; We haVe also seen Silver and geld extracted by a chemical proceSSi by Dr. AtkinSbn of this town; iMbn whose authority we state that the entiiitry 'around ins, far nitileS; abounds iti iiiinerals sufficient to eittich thousands of our Ipoitelnitibit If they but possesSed the knowledge of acquiring it: fiecently, we orb informed; a rich Coal finite Was disebvered Ott the e§tate of Lord Kilmaine; in the heighbotirhood Of