The interior of Mexico consists of a mass of volcanic rocks, thrust up to a great height above the sea-level.

To Tylor the fact that modern religious practitioners continued to believe in spirits showed that these people were no more advanced than primitive societies. American Anthropologist Vol. By excluding scientific explanation in their understanding of why and how things occur he asserts modern religious practitioners are rudimentary.

Sir Edward Burnett Tylor (2 October 1832 – 2 January 1917) was an English anthropologist. He considered animism as the first phase of development of religions.