“And now, before we enter upon an examination of the bed of the Thames at London Bridge, and consider whether the River were turned, as Stow thinks, to admit of its erection, let me cite you some ancient authorities concerning St. Thomas’s Chapel. The first of these shall be the ‘_Itinerary of Symon Fitz Simeon, and Hugo the Illuminator_,’ both of whom were Irish Monks, of the Order of Friars Minors, who visited London on their pilgrimage to Palestine, in 1322. ‘This flux and reflux,’--say they, at pages 4, 5,--‘continues to the sea from the famous River named Thames, upon the which is a Bridge, filled with inhabitants and wealth; and in the midst of them is a Church dedicated to the blessed Thomas, Archbishop and Martyr, which is well served continually.’ About the year 1418, also, William Botoner, a Monk of Worcester, of the Parish of St. James in Bristol, who then travelled from that City to St. Michael’s Mount in Cornwall, in his ‘_Itinerarium_,’ pages 301, 302, thus spake of London Bridge and the Chapel. ‘The length of the Chapel of St. Thomas the Martyr, upon London Bridge, is about twenty yards; having an under Chancel in the vault, with a choir, but the length of the nave of the said Chapel contains fourteen yards. The width of the middle steps is one yard. The length of the Bridge on the South, from the posts to the first gate newly founded by Henry the Cardinal, unto the two posts erected near the Church of St. Magnus, consists of five hundred of my steps. _Item_: there are five great windows on one side,’--of the Chapel,--‘each of which contains three panes:’ or rather divisions. Of these Itineraries I will observe nothing farther, than that they were published from the original Manuscripts in Corpus Christi College, Cambridge, by James Nasmith, the Editor of Tanner’s ‘_Notitia Monastica_;’ in 1778, octavo; under the title of ‘_Itineraria Symonis Simeonis, et Willielmi de Worcestre_.’ “Of this Chapel, and also of the first Stone Bridge, there are two large folio engravings, taken and published, by George Vertue, in 1744-48, which, after his decease, were, with many of his other plates of Antiquities, presented by his widow to the Antiquarian Society in 1775. The first engraving measures 18-1/4 inches by 20 inches and 3/8, and contains ‘A View of the West Front of the Chappel of St. Thomas, on London Bridge; also the Inside View from West to East of the said Chappel, as it was first built An°. 1209:’--and also ‘London Bridge as it was first built, An°. 1209:’--a Ground plan, and some measurements of the same, and a short Historical account of the structure, drawn up by Sir Joseph Ayloffe, Bart. Vice-President of the Society of Antiquaries. The publication line states, that it was ‘drawn, engrav’d, and publish’d by G. Vertue, in Brownlow-Street, Drury-Lane, 1748.’ A second edition was printed by the Society, in 1777.