viii,112pp. With 12 magnificent hand-coloured plates (mis-numbered). Blue cloth-covered boards with gilt decorations and title on spine, blind embossed decorations on boards plus gilded motif with title on front. Spine a little sun-faded with rubbed ends. Bottom corners rounded gently and all four corners have rubbed cloth. Previous owner's name on front paste down. Gutter strained mid-way through, one page has a corner chip. A gorgeous volume describing the wonders of the ocean floor. 12mo.