First edition. 2 volumes. With 34 engraved plates, including vignette titles, plus 2 plates with sections and ground plans, with a sketch map (this very lightly stained). Original red cloth with gilt cover vignnettes. Spine-heads slightly chipped. Ink stain on lower board of the first volume and on upper board of the second volume. ix, 421; ix,400, 32pp. advertisements. London, John Murray, 1860.