Possible Clues:

• Victim of Artemis, in some accounts
• Hunter, or one almost catching one
• Constellation with a 'belt'
• Lover of Eos
• Hunting partner of Artemis
• Hunter ahead outside city
• On around in South America with a belt
• Whom Artemis loved and unwittingly killed
• Constellation — mythical hunter
• Roberts' hunter at the Borders