On the heights of the crater of Sete Cidades (Portuguese for “Seven Cities” referring to curious rock formations on the peak) . Left to right: L. Tinayre; A. Ranc; Rafael de Buen; Dr. Louet; Cogumbreiro; J. Richard. H. Bouree is in the background photographing the wonders of the crater. Plate IV, print 24. In: “Results of the Scientific Campaigns of the Prince of Monaco.” Vol. 89.