London: Chapman and Hall Ltd, 1907. Sixth edition with an additional chapter, 8vo., pp.vii,341, red cloth, gilt, 2 in-text illustrations, folding plate to rear of volume; toning and foxing to prelims, occasional foxing within, neat ink ownership inscription to front free endpaper (dated [19]‘09), cloth split for 3cms at head of upper joint, light sunning to spine and rear upper margin, corners just lightly bruised, else very good.