sacrificed snakes rather than human beings—possibly for the same reason as the Esquimaux beat their dogs during an eclipse, in order that the Great Dog which causes the undesirable phenomenon may desist, the Tarascans probably killing the reptiles in question in order that the Great Snake might relent and send rain.29 The towns about Chapala paid divine honours to the spirit of the adjacent lake. Late though these survivals may have been at the era of the Conquest, yet they seem to have enshrined the memory of an early rain-cult among the peoples with whom they were found, and many others could be adduced.
THE QUETZALCOATL CULT
The appearance of the Quetzalcoatl cult in Mexico, which would seem to have entered the country at some time about the middle of the eighth century, must have caused very considerable alterations in the simple and probably as yet uninfluenced rain religion which it found in occupancy. From whatever portion of the Isthmian tract it came, one thing regarding it is positively certain—that it introduced into Mexico the rudiments of the calendric computation evolved in Central America. In its phase as imported by the apostles of the Quetzalcoatl religion, it seems fairly certain that the tonalamatl was of the nature of a lunar time-count, and the probabilities are that its protagonists