Aunt Maria perceived that she had made a slip. "Yessuh! Yessuh!" she stammered. "Miss Penny done want a drink of watah."

"How did she wake you?"

Again Aunt Maria's tongue slipped. "She done shook mah ahm."

"So she was out of bed?"

"No suh! No suh!" cried Aunt Maria in a panic. "I misrecollect that. She jes hollered at me."

It would have been patent to a child that Aunt Maria was lying. The scene was intolerable to Pen's pride.

"Aunt Maria, tell the truth," she said sharply.

The poor old negress turned a face of complete dismay to her mistress. What was she to make of this? In her confusion she was unable to get anything else out.

To Pen the chief detective said harshly: "Please be silent, Miss. You will have a chance to tell your story in a minute."

Pen's eyes blazed. "You are not to suppose that you are entrapping me or my servant!" she said hotly. "I have no objection to your knowing that I went down to the beach last night and warned Mr. Counsell that he was liable to arrest!"