Quarto (225 x 170 mm.), early vellum binding, spine with ornate gilt ruled compartments, each with central gilt floral decoration, red calf gilt title label affixed. Two parts bound in one, pp. , 326, . With vignette title-page, folding engraved map, engraved headpieces and initial letters, lightly browned and foxed, marginal stains to the foot and gutter margins just affecting the text, otherwise in good condition.