Washington, DC: Paraná [Talleres gráficos "Melchior], 1936. 207 p., buff wraps titled in dark blue and pink, features a frontis portrait of author and many in-text diagrams and reproductions from exhibit photography. Opened neatly throughout. Inscribed across title page by author to a professor at Harvard. Title page also has unobtrusive stamp from American School of Prehistoric Research. Edges are very heavily foxed, some foxing within on prelims and terminal leaves, no mustiness, a very good copy.