The illustrations on pp. 2, 12, 93 and 107 are from photo graphs by Messrs Valentine and Sons; those on pp. 4, 8, 19, 21 (st Mary's Loch), 40, 56, 73, 78, 94, 109, 112, 116, 127, 130, 135, and 144 are from photographs Ia number of which were specially taken for this book) by Mr A. R. Edwards, Selkirk; those on pp. 21 (entrance to St Mary's Loch) and 70 are from photographs by Mr Colledge, Innerleithen; those on pp. 29 and 31 from photographs, taken by Mr Colledge, of fossils lent by Mr George Storie, a former pupil of the author; those on pp. 37 and 59 from photographs by Mr J. Ward, Peebles.