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

4,128 B.C. Lat. 40° N.

4,128 B.C. Lat 40° N.

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

FIG. 1.

4,128 B.C. Lat 40° N.

Constellations above Southern Horizon.
Invisible—Noon, Spring Solstice.
Visible—Midnight, Autumn Solstice.

FIG. 2.

PLATE XXII.