The earth is miles in circumference and by turning on its axis once in twenty-four hours from weft to call, caules a continual fuccefiion of day and night, according as either fide is turned to or from the fun and occafions an apparent motion of the fun and heavenly bodies from eal'c to well. This is called the earth's dzurmzl, or daily motion, by which the inhabitants on the equator are carried 1040 miles every hour.