The southern constellations, Grus, Phœnix, Indus, Pavo, Apus, Chameleon, Piscis Volans, Triangulum Australe, Dorado, Toucan, and Hydrus, were all named by Bayer at the beginning of the seventeenth century, so that the revisers were not upsetting any antique legends in giving them more sacred names.

LETTERS OF THE GREEK ALPHABET EMPLOYED IN URANOGRAPHY

CHART V—THE FIRST SIX HOURS FROM THE VERNAL EQUINOX

CHART VI—FROM VI H. TO XII H. FROM THE VERNAL EQUINOX

CHART VII—FROM XII H. TO XVIII H. FROM THE VERNAL EQUINOX