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Rh trees, each springing from the body of the earth-goddess, with a bird perched amidst its branches, and accompanied by the five day-signs belonging to the quarter which it represents (Fig. 10). In Oaxaca, where the 52-year cycle was also observed, the years were assigned in groups of thirteen to the quarters. Those belonging to the east were supposed to be fertile and healthy; those

to the north, variable; those to the west, good for mankind but bad for crops; while those to the south were thought to be characterized by excessive heat and drought.

Among the Tarascans too were found gods associated with the world-directions, and, as will be seen later, among the Maya also. The association of the underworld with the north by the Mexicans is interesting as exemplifying a tendency found amongst primitive peoples all over the world. The original home of the Mexicans lay to the north, and consequently it was to the north that departed spirits took their way, just as in Polynesia and Melanesia the disembodied souls were