The Unicorn — the wild, white, fierce, chaste Moon, whose two horns, unlike those of mortal creatures, are indissolubly twisted into one, whose brilliant horn drives away the darkness and evil of the night. – Robert Brown, The Unicorn: A Mythological Investigation, 1881, wording slightly
There are nine orders of angels, to wit, angels, archangels, virtues, powers, principalities, dominations, thrones, cherubim, and seraphim. – St. Gregory The Great