Incidents of Travel in Yucatan. John Lloyd Stephens, with engravings by Frederick Catherwood. Edited and with an Introduction by Victor Wolfgang Von Hagen. University of Oklahoma Press, Norman, 1962. 2 Vols. Vol. 1: xxxiv + 315 pp., 27 plates, 2 maps, 29 text figs.; Vol. 2: xix + 327 pp., 53 plates, 2 maps, 19 text figs. $15.00