Related Clues:

• Could one, by the sound of it, seize anything so large as they?
• To a large extent there's a sound c.c. of them
• See the sound of the sea and con them
• Is 22 down over them as a rule?
• Not small C's, by the sound of them
• See how huge they sound
• By the sound of them, sees they're not small
• Seize them to a large extent, by the sound of it
• Big C's?
• Sees a lot, by the sound of them
• Vast waterways
• Maybe southern and Indian canoes after a fashion
• Indian is one of these announcing topless draughts
• Don't start listening to proposals for lots of water
• Beasts of burden going round by deep gorges