from which the Assuming the length of the year to be 360 days, each and "parallels of declination" at intervals of 15 deg. United States in former years received most of her month having 30 days, the earth in the figure is rep- The earth is shown within it very much enlarged. In future citizens.… … equal parts number- HOW TO STUDY A STAR MAP. North Central States ed from 0 to XXIV. received 90 per cent ing from position 1 to 17, i. e., through 30 deg. of its The numbering 0 begins on the far side or invisible of the total, and the South 4 per cent. The bulk of orbit, it must rotate on its…
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