Sir Percival hesitated, followed me a few steps, and, to my great surprise, offered me an apology.

“I beg your pardon, Miss Halcombe,” he said. “I have been out of order lately, and I am afraid I am a little irritable. But I should like to know what

Mrs.

Catherick could possibly want here. When did she come? Was the housekeeper the only person who saw her?”

“The only person,” I answered, “so far as I know.”