"But why, in the name of propriety, and good sense, does she not return home?"
"Your grace, she is at home," said the perplexed detective.
"Just now you told me that she was at the house on Westminster Road!" said the bewildered duke.
"Beg pardon, your grace, but the house on Westminster Road is her home. She has no other that I know of."
The duke stared at the detective a moment, and then hastily demanded:
"Who are you talking of?"
"Beg pardon again, your grace, but I am afraid there is some misunderstanding."
"Who are you talking about?"
"I am talking of the woman who came to the duchess just before she disappeared," answered the detective.
"Good Heaven!" exclaimed the duke, with such a look of deep disappointment that the detective hastened to deprecate his displeasure by saying: