A Second Visit to United States. Lyell. Vol. i. p. 349.
Rambles in Mexico. Latrobe. Vol. i. p. 145.
American Antiquities. Bradford. Page 276.
Prehistoric Races of U. S. Foster. Page 370.
Mexico and Yucatan. De Waldeck.
Amán. Epist., lib. i. cap. 25.
Pausanias, lib. —, cap. 25.
The Nature of Animals. Ælian.
Le Brun’s Voyage to Ceylon.