MYTHS OF MEXICO AND PERU
if he cannot skilfully escape them. A terrible serpent then intercepts his path, and, if he succeeds in defeating this monster, the fierce alligator Xochitonal awaits him. Eight deserts and a corresponding number of mountains have then to be negotiated by the hapless spirit, and a whirlwind sharp as a sword, which cuts even through solid rocks, must be withstood. Accompanied by the shade of his favourite dog, the harassed ghost at length encounters the fierce Izpuzteque, a demon with the backward-bent legs of a cock, the evil Nextepehua, the fiend who scatters clouds of ashes, and many another grisly foe, until at last he wins to the gates of the Lord of Hell, before whom he does reverence, after which he is free to greet his friends who have gone before.
The Calendar System
As has been said, the calendar system was the source of all Mexican science, and regulated the recurrence of all religious rites and festivals. In fact, the entire mechanism of Nahua life was resident in its provisions. The type of time-division and computation exemplified in the Nahua calendar was also found among the Maya peoples of Yucatan and Guatemala and the Zapotec people of the boundary between the Nahua and Maya races. By which of these races it was first employed is unknown. But the Zapotec calendar exhibits signs or both Nahua and Maya influence, and from this it has been inferred that the calendar systems of these races have been evolved from it. It might with equal probability be argued that both Nahua and Maya art were offshoots of Zapotec art, because the characteristics of both are discovered in it, whereas the circumstance merely illustrates the very natural acceptance by a border people, who settled down to civilisation at a
