Mary Ann's repartee was to burst into tears and leave the room.

"Now I've offended her," said Peter. "Did you see how she tossed her pretty head?"

"Ingenious minx," thought Lancelot.

"She's left the tray on a chair by the, door," went on Peter. "What an odd girl! Does she always carry on like this?"

"She's got such a lot to do. I suppose she sometimes gets a bit queer in her head," said Lancelot, conceiving he was somehow safeguarding Mary Ann's honour by the explanation.

"I don't think that," answered Peter. "She did seem dull and stupid when I was here last. But I had a good stare at her just now, and she seems rather bright. Why, her accent is quite refined—she must have picked it up from you."

"Nonsense, nonsense," exclaimed Lancelot, testily.

The little danger—or rather the great danger of being made to appear ridiculous—which he had just passed through, contributed to rouse him from his torpor. He exerted himself to turn the conversation, and was quite lively over tea.

"Sw—eet! Sw—w—w—w—eet!" suddenly broke into the conversation.

"More mysteries!" cried Peter. "What's that?"