FIG. 2.

Constellations above Southern Horizon.
Invisible—Noon, Winter Solstice.
Visible—Midnight, Summer Solstice.

5,744 B.C. Lat. 18° N.

FIG. 4.

Constellations above Southern Horizon.
Invisible—Noon, beginning Calendrical Year.
Visible—Midnight, 7th Month, Calendrical Year.

3,589 B.C. Lat. 23° N.

5,744 B.C. Lat. 18° N.

Constellations above Northern Horizon.
Invisible—Noon, Winter Solstice.
Visible-Midnight, Summer Solstice.

FIG. 1.