[28] He built also the small keep of St. Leonard near Mailing. (G. G. S. 1878.) [29] See Lecture XIV., pp. 167, 168, Figs. 331, 332. [30] See Lecture XIV., p. 167, Fig. 330. [31] I have, in a paper recently read before the Archæological Institute, shown that it is improbable that any part of the work of Losinga of Hereford now exists, and that the work there is by his successors. (G. G. S. 1878). [32] My lectures were suspended during the next session owing to the removal of the academy to Burlington House, and this course was relinquished. (G. G. S. 1878.) [33] I mean “British Architecture” in the sense of the architecture of the _British Isles_. (G. G. S. 1878). [34] See Lecture X. page 49, Fig. 221. [35] St. Mary’s Abbey, York, see Lecture III. vol. i. page 108. [36] The same is the case with the south doorway of St. Joseph’s Chapel, (so called) at Glastonbury. (G. G. S. 1878.) See Lecture III., p. 115, Fig. 74. [37] See view of Nave, Durham, Lecture XII. page 128, Fig. 170. [38] See Crypt, Winchester, Lecture XII. page 108, Fig. 257. [39] See views of Norwich and Durham, Lecture XII. pages 119, 128, Figs. 265, 270. [40] See page 172. [41] See Lecture XII., page 93. [42] This seems to be missing one step. The _exact_ parallel is between a barrel vault with semicircular apse and a barrel vault with polygonal apse. (G. G. S. 1878.) [43] For plan and other illustrations of the Tower chapel, see Lecture XII., page 92. [44] See page 185, Figs. 351, 352. [45] See Lecture XIII., page 153, Fig. 313. [46] Sens. Lecture III., page 94, Fig. 39. [47] Canterbury. Lecture III., page 112, Fig. 69. [48] St. Joseph’s Chapel, Glastonbury. Lecture III., page 116, Fig. 75. [49] St. Cross. Lecture III., page 124, Fig. 86. [50] St. David’s. Lecture III., page 117, Fig. 76. [51] Temple Church, Circular Aisle. See Lecture III. page 119, Fig. 79. [52] See Lecture III., page 124, Fig. 86. [53] See Lecture III., page 116, Fig. 75. [54] The English system is not constant, even in early examples, and was discontinued at later dates. (G. G. S. 1878.) [55] There is a fine example of this in the Treasury of Canterbury Cathedral. (G. G. S. 1878.) [56] See page 206, Figs. 379, 380. [57] See Lecture III., Fig. 81. [58] See Lecture XIV., page 184, Fig. 353. [59] For illustration, see Lecture IV., Fig. 97. [60] See Lecture XIV., p. 167, Fig. 330. [61] See Fig. 398. [62] This, I think, is known to have been the case, and that it was taken down for the sake of reusing the material in St. Peter’s. (G. G. S. 1878). [63] These excrescent structures are now obliterated, and are chiefly known by drawings of the fifteenth century by Sangallo, preserved in the Barberéni Library. (G. G. S. 1878.) [64] See Fig. 422. [65] A large part of these were renewed in the fifteenth or sixteenth century. (G. G. S. 1878.) [66] See Fig. 430. [67] See Fig. 439.