Foreword by His Excellency Marques de Merry del Val, Ambassador of His Majesty The King of Spain to the Court of St. James. Illustrated from photographs taken by members of the Expedition. New York: Century, (1931). 8vo. Green decorative cloth, stamped in dark green, gilt & orange. x, 339 p. 1st edition. Fine in moderately worn d.w. with chipping at edges.