An article having appeared in the Times newspaper of the 25th September last, relative to the ruins in St. Martin's-le-Grand, which (in consequence of sundry buildings having been taken down, in order to clear the ground for the site of the New Post-Office) had, then, lately been exposed to view; I was induced, from my natural inclination towards subjects of this kind, to visit the ruins; and I expected, from the mention of semicircular arches in the above article, to find a valuable specimen of our Saxon style of architecture, in some remnant of the College of St. Martin, recorded to have been founded there before the Norman conquest; and that the writer was mistaken in assigning the reign of Henry IIId, as the period of their erection. Upon visiting the spot, however, I found that the arches to the eastern parts were in the pointed style, and not semicircular. And as upon inspection of the western parts, I noticed sundry indications of these parts having probably been built at a much earlier period than the time of Edward the Vlth, (the date of them mentioned by the aforesaid writer,) I repeated my visits, for the purpose of taking drawings of these remains, and of examining the principles of their construction, so as to render myself better informed respecting them. The result of my labours will be explained to you by the following remarks; in the progress of which I shall introduce such extracts from the History of London, by Maitland and others (published in 1756), as may appear to me to be necessary to the historical detail. I have also prepared two explanatory drawings; See Pl. XV. and if these papers should, in any degree, meet with the approbation of your learned Society, I shall feel that the time I have, necessarily, withdrawn from the more practical employment of my profession has been advantageously expended.