- 1 emple Chambers, with stone pillars, from the ruins of Mitla, Oaxaca, with wall mosaic of joined stones.
The Mistecas, or Mixtecas, and Zapotecas, who occupy the southern slopes of the central plateau, especially Puebla, Morelos, Oaxaca and Guerrero, form another distinct race, whose traditional history goes back to the period when the structures now known as Mitla, Monte Alban, Xochicalco and Zaachila were built.
The ruins apparently are of an earlier period than those of Mitla and Xochicalco, and have no inscriptions and architectural decorations, but the use of dressed stone in the walls, rather than adobe, warrants the conclusion that they belonged to the civilization of southern Mexico.
The more important of his publications are Le Mexique, souvenirs et impressions de voyage (1863), being his personal report on the expedition of 1857-61, of which the official report is to be found in Viollet-le-Duc's Cites et mines americaines: Mitla, Palenque, Izamal, Chichen-Itza, Uxmal (1863), vol.
Two of the most progressive Indian races of Mexico, the Zapotecas and Mixtecas, descendants, it is believed, of the prehistoric races who built the remarkable cities where the ruins of Mitla and Monte Alban '(see Central America: § Antiquities) now stand, still form the greater part of the population.