T>LACKWALL LINE.-MELBOURNE Direct.— Messrs. GREEN'S ship V Wi A E, 1137 tous. Captain 0. E. , will leave the East
... sense of a speculative search for the rnw material, is requisite ; the pyrites li-s ed to view, and aU that is needed is to quarry it and bring it to I nds of 500 tons of arsenical pyrites per month are now being tr.it .1 for arsenic, copper, and silver ...