8vo. 238 pp, [1], +advs at rear, 8 plates hors text, figures in text, later half-calf with marbled boards, rebound with new endpapers, original publisher’s wrappers preserved, browned paper, few pencil annotations in margins, small tear at top edge of page 49 without any loss to text, otherwise copy in good condition, Gaston Doin, Paris, 1923.