8vo, pp. viii, 339,  + 15 plates and 2 folding charts. Original green cloth, spine and front board lettered direct in gilt. A touch of spotting, particularly to title-page. A little rubbed and shaken, some chipping to spine ends and bruising to corners. Letter from author dated 1892 and small obituary notice pasted to flyleaf, armorial bookplate of Thomas Colyer Colyer-Fergusson to pastedown, some pencil notes on a folding pedigree.