We have at hand authoritative figures of the decline collected by various Commissions and private inquirers. Let us note some of these as summarised by Monsignor O'Riordan in his remarkable book, "Catholicism and Progress": "Again, in 1800 there were 91 woollen manufacturers in Dublin and 4938 hands employed; in 1840 there were only 12 manufacturers, and 682 hands employed; in 1880, only 3 manufacturers in Dublin and around it. In 1800 there were 56 blanket manufacturers in Kilkenny, and 3000 hands employed; in 1840 there were 12 manufacturers and 925 hands employed. In 1800 there were 900 hands employed on ratteens and friezes in Roscrea; in 1840 the industry had completely disappeared. In 1800 there were 1000 flannel looms in County Wicklow; in 1840 there was not one. In 1800 there were 2500 looms at work in Dublin for the manufacture of silk and poplin; in 1840 there were only 250. In 1800 there were 27,000 cotton workers in Belfast and around it; in 1840 there were only 12,000. In 1800 there were 61,075 tradesmen in Dublin for the woollen, silk, and cotton industries; in 1834 there were only 14,446, and of these 4412 were idle, showing a decrease of 51,041 in the employed." There was, we must add, an increase in other directions. For instance, whereas there had been only seven bankruptcies decreed in Dublin in 1799 there were 125 in 1810. The number of insolvent houses grew in seven years from 880 to 4719. These figures are not random but symptomatic. Mr Pitt had promised to blend Ireland with the capital and industry of Great Britain; he blended them as the edge of a tomahawk is blended with the spattered brains of its victim. We have glanced at the condition of manufacture. Lest it should be assumed that the tiller of land at least had profited by the Napoleonic Wars, with their consequent high prices, let me hasten to add that the Grey Commission, reporting in 1836, had to inform the Government that 2,385,000 persons, nearly one-third of the population, were "in great need of food." "Their habitations," the Report proceeds, "are wretched hovels; several of the family sleep together on straw, or on the bare ground, sometimes with a blanket, sometimes not even so much to cover them. Their food commonly consists of dry potatoes; and with these they are at times so scantily supplied as to be obliged to stint themselves to one spare meal in the day.... They sometimes get a herring or a little milk, but they never get meat except at Christmas, Easter, and Shrovetide." But a truce to these dismal chronicles. The _post hoc_ may be taken as established; was it a _propter hoc_? Was the Union the cause as well as the antecedent of this decay? No economist, acquainted with the facts, can fail to answer in the affirmative. The causal connection between two realities could not be more manifest. Let us examine it very briefly.