Note 27 — Chapter I · INTRODUCTORY
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Reverting to the conditions prevailing in Mexico prior to the entry of the Chichimec Nahua, we may regard the rain-cult of the Tlaloc religion as in some measure resembling that of the Pueblo Indians of Northern Mexico and Arizona at the present time. The serpentine character of its principal deity, the appeal for rain which composes the basis of most of the prayers to him, provide strong proofs of such a similarity, and, as has been said, the antiquity of the rain religion is proved by the discovery of early sculptured forms and the facts adduced above. The Tlaloc religion had also been able in some degree to retain its own sacrificial customs, the drowning of victims being practised in addition to the Nahua method of slaughter on the stone of sacrifice. The date of the introduction of the religion of Quetzalcoatl is generally placed at the middle of the eighth century of our era, so that we are perhaps justified in assuming that the faith of the greater portion of Anahuac27 before that time had as its basis the rain-cult, as represented by Tlaloc.