Possible Clues:

• Further down
• Bottom two numbers
• Lower contents of one thermos flask
• Below the North, it will have you 31 across
• Catch the girl below here
• Get somewhere below ten back to her
• Might 17 across get her down?
• Below the North it will put one to sleep down below
• That might be the way to get hold of her from below
• What a low-down way to catch a girl!