[7] This is advertised in William and James Power's trade lists of the period. It is thus referred to in a letter from Moore to his mother, dated "Saturday, May 1811":--"I have been these two or three days past receiving most flattering letters from the persons to whom I sent my Melologue." Kent, in his edition of "The Poetical Works of Thomas Moore," makes the "Melologue" an integral part of the "National Airs," and states the following in reference to the latter:--"Another collection of songs, not unworthy of being placed in companionship with the Irish Melodies, appeared from the hand of Moore in 1815." But the "Melologue" was produced in 1811, as has now been shown, and the first number of the "National Airs" did not make its appearance until 1818, while the last one was only originally published in 1827. [8] A copy is in the British Museum. [9] In the London edition the Advertisement is dated "Bury-Street, St. James's, Nov., 1811," whereas in the Dublin edition it is dated "London,--January, 1812." [10] The London and Dublin editions have each the following "Erratum" annexed to the Advertisement:--"The Reader of the Words is requested to take notice of an alteration (which was made too late to be conveniently printed) in the first verse of the first Song, 'Thro' Erin's Isle'; he will find the verses, in their corrected form, engraved under the Music, Pages 2 and 3." [11] In the London edition the Advertisement is dated "Mayfield, Ashbourne, March, 1815." In the Dublin edition it has "April" instead of "March." [12] The London edition imprint reads:--"London, Published by J. Power, 34, Strand." The Dublin edition imprint reads:--"Dublin. Published by W. Power 4 Westmorland St." [13] The London edition imprint reads:--"London, Published April 23rd, 1818, by J. Power, "34, Strand." The Dublin edition imprint reads:--"Dublin, Published 6th July 1818, by W. Power 4 Westmorland Street." [14] The London edition imprint reads:--"London, Published October 1st 1818, by J. Power, 34, Strand." The Dublin edition imprint reads:--"Dublin, Published 9th Decr. 1818, by W. Power, 4, Westmorland Street." [15] The Symphonies and Accompaniments in the London edition are by Henry R. Bishop. Those in the Dublin edition are by Sir John Stevenson. I exhibited copies of both editions, and read to my audience a telling Advertisement by William Power in the Dublin edition, in which he states that "with _him_ originated the idea of uniting the Irish Melodies to characteristic words." Moore had already entered into a new agreement with James Power, who had not permitted his brother to share in it; and in July 1821, "James Power, of the Strand, London, Music Seller, obtained an injunction to restrain William Power, of Westmorland Street, Dublin, from publishing a pirated edition of the Eighth Number of Moore's Irish Melodies"--_vide_ "Notes from the Letters of Thomas Moore to his Music Publisher, James Power," page 88.