positions of the sun is a comparatively isolated separate development among certain peoples; the regulation by the moon, on the contrary, is found all over the world. Because the calendar is principally looked upon as the concern of religion, the months appear in such close association with the festivals held in them that it is sometimes found that the relationship to the phases of Nature falls into the background. Among peoples who have no names of months, like the Greeks of the Homeric period, or among those who name only some of them, it may therefore happen that the months become named from the festivals or perhaps that such names supersede those which refer to natural phases. Thus, as has been mentioned above, six months of the Zuñi year are named from the colours of the prayer-sticks. Of the Inca months one is named from a moon festival, two from provincial festivals, and one from the great sun festival; the rest take their names from the occupations of agriculture[1154]. Of the tribes of Bolivia it is stated that their knowledge of the calendar is not according to days, but according to the principal festivals[1155]. In Africa two examples have been given[1156], those of the Hausa states and the Edo-speaking peoples. In the Babylonian calendar the names of months derived from festivals spread more and more, at the expense of names of other kinds[1157]. The phenomenon is therefore comparatively rare and is found only among peoples who have a highly developed religious cult, and even in the examples here given the process is not consistently carried out. Consistency is found only in one case, the calendar of ancient Greece, and is all the more striking since in the hundreds of varying calendars of the town-states no names which do not refer to festivals have been with certainty demonstrated; the few calendars with numbered months are of more recent origin[1158]. The certain conclusion is that the Greek calendar was entirely regulated from the point of view of the religious cult. Where on the other hand the place of the lunisolar year is taken by another reckoning, it is found that the lunar reckoning is still used in the establishing of certain festivals, as for instance in Bali[1159], and by the Christians in the matter of Easter and the festivals depending thereon. CHAPTER XIV. THE CALENDAR-MAKERS.