Possible Clues:

• Sour, rotting
• Sour and stale
• Male member of a royal family
• It was no good if one managed the dectives like that
• Managed the detectives in such a bad way
• Stinking
• Rank in smell
• If your eye did like this only Y would be there to serve you.
• How a hundred has gone off in the drain
• Gin is taken from dining-car - that's bad, really bad!