Related Clues:

• Cleopatra's final solution, like afterthought
• Final solution in Egypt as afterthought
• Pass out, because of their venom?
• Cleopatra's deliverers, like afterthought
• Cleopatra to Charmian: "Pass around the vipers"
• Poisonous creepers have power to infect animal
• Final solution in Egypt comes to an unusual pass
• Arsenic put with paraquat and strychnine, initially - poisonous things
• Animals born from fallen drops of Medusa's blood
• Snakes like Cleopatra's
• Creatures like pigs - the head and tail only
• When note was added on snakes
• Crawlers getting a fool to accept small change
• Was first to leave stingers with stingers
• Pass (anag.)