Page:The Conquest of Mexico Volume 1.djvu/113

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Aztec Civilisation

astrologer more implicitly deferred to. On the birth of a child, he was instantly summoned. The time of the event was accurately ascertained; and the family hung in trembling suspense, as the minister of Heaven cast the horoscope of the infant, and unrolled the dark volume of destiny. The influence of the priest was confessed by the Mexican, in the very first breath which he inhaled.1

We know little further of the astronomical attainments of the Aztecs. That they were acquainted with the cause of eclipses is evident from the representation on their maps, of the disk of the moon projected on that of the sun.2 Whether they had arranged a system of constellations, is uncertain; though, that they recognised some of the most obvious, as the Pleiades for example, is evident A Partial Eclipse or the Sun.
From in ancient MS.
from the fact that they regulated their festivals by them. We know of no astronomical instruments used by them, except the dial.3 An immense circular block of carved stone, disinterred in 1790, in the great square of Mexico, has supplied an acute and learned scholar with the means of establishing some interesting facts in regard to Mexican science.4 This colossal fragment, on which the calendar is engraved, shows that they had the means of settling the hours of the day with precision, the periods of the solstices and of the equinoxes, and that of the transit of the sun across the zenith of Mexico.5

We cannot contemplate the astronomical science of the Mexicans, so disproportioned to their progress in other walks of civilisation, without astonishment. An acquaintance with some of the more obvious principles of astronomy is within the reach of the rudest people. With a little care, they may learn to connect the regular changes of the seasons with those of the place of the sun at his rising and setting. They may follow the march of the great luminary through the heavens, by watching the stars that first brighten on his evening track, or fade in his morning beams. They may measure a revolution of the moon by marking her phases, and may even form a general idea of the number of such revolutions in a solar year. But that they should be capable of accurately adjusting their festivals by

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