Key from rubric constellation - SAGITTARIUS - THE ARCHER - Genetive: Sagittarii. Sagittarius constellation represents a centaur aiming an arrow toward Antares, the bright star that marks the scorpion’s heart. It is also frequently associated with Crotus, the son of Pan, who invented archery and lived on Mount Helicon. Crotus was said to have two feet and a satyr’s tail. Sagittarius is also sometimes wrongly associated with the centaur Chiron, represented by Centaurus constellation. Find on wikipedia...