In parenthesis, we find a clue to the standard of value of the time in this record: "1161: The visitation of Osraige was made by Flaitbeartac, successor of Colum Kill; the tribute due to him was seven score oxen, but he selected, as a substitute for these, four hundred and twenty ounces of pure silver." The price of an ox was, therefore, three ounces of silver. The old-time barter, an echo of which still lingers in the word "pecuniary" from the Latin name for "cattle," was evidently yielding to the more convenient form of exchange through the medium of the metals, which are easily carried and divided, and suffer no detriment from the passage of time. With the wicker bridge and the lime-kiln, this change from a tribute in cattle to a payment in silver may remind us that we are on the threshold of the modern world. In 1162 we find the king of Connacht in a new adventure: "An army was led by Muirceartac Ua Lochlain, accompanied by the people of the north of Ireland, the men of Meath, and a battalion of the Connacht men, to At-Cliat, to lay siege to the Foreigners and the Irish; but Ua Lochlain retired without battle or hostages after having plundered the Fair Strangers. A peace was afterwards concluded between the Foreigners and the Gaels; and six score ounces of gold were given by the Foreigners to Ua Lochlain, and five score ounces of gold were paid by Diarmaid Ua Maelseaclain to Ruaidri Ua Concobar for West Meath." Here again we see the "countless cows" giving place to counted gold in the levying of tribute. We note also, in the following year, that "a lime-kiln measuring seventy feet every way was made by the successor of Colum Kill and the clergy of Colum Kill in twenty days," in evident emulation of the work of the Armagh see.