This page has been validated.
626
THE POPULAR SCIENCE MONTHLY.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/8/8c/PSM_V24_D644_Pyramids_of_san_juan_teotihuacan.jpg/500px-PSM_V24_D644_Pyramids_of_san_juan_teotihuacan.jpg)
Fig. 5.—Pyramids of San Juan Teotihuacan.
At Papantla, in the State of Vera Cruz, is a pyramid remarkable for its symmetry, built of immense stones of porphyry, regularly cut and finely polished, many of which are covered with hieroglyphics, with carvings of serpents and crocodiles.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/PSM_V24_D644_Toltec_palace_at_tula.jpg/400px-PSM_V24_D644_Toltec_palace_at_tula.jpg)
Fig. 6.—Toltec Palace at Tula.
The Museum of the city of Mexico contains a sacrificial stone, and a number of the idols of Aztec worship. We give cuts of two of these idols—Quetzalcoatl, the chief god of the people, and a feathered serpent.
The Marquis de Nadaillac, who has lately reviewed the whole sub-