Murtagh held his breath, and sat most unnaturally still for fear of betraying himself as he recognized his piece of paper.

Mr. Plunkett went on, "The writer is evidently a person of very little education; out of those three words two are wrongly spelt." Winnie's eyes sparkled with suppressed laughter, and she glanced at Rose.

"And," said Adrienne, who had risen, and was looking over her uncle's shoulder, "it has not even been written with a pen and ink."

The children began to lose all command of their countenances. They longed to be out of the room, but a sort of fascination kept them silent in their chairs. It did not occur to one of them that the simplest thing to do was to tell their story, and ask for the rent then and there.

"Everything," replied Mr. Plunkett, "tends to demonstrate that the offence has been perpetrated by members of the lowest class of society. But I permit myself to hope that it may yet prove less serious than at first sight it appears."

"Go down to the cottage, Plunkett, if you have time, and I should not be at all surprised if you find her sitting quietly by the fire," said Mr. Blair. "My countrymen have a wonderful aptitude for all that savors of romance."

"I have been down, sir," said Mr. Plunkett, "and the fact is that the girl and the rent have disappeared. The romance is not wanting. Mrs. Daly has got it into her head that a man, Patrick Foy by name, who has a grudge against her for marrying Daly, has killed the girl, and sent this letter to hinder any search being made till he has had time to leave the country."

Adrienne's eyes opened wide with mixed astonishment and incredulity.

"It is quite possible, Miss Blair," said Mr. Plunkett. "The folly and passion of these people is beyond all reasonable comprehension; you perceive," he continued, turning to Mr. Blair, "that is it advisable to put the matter at once into the hands of the police."

A sort of gasp from Bobbo made Mr. Plunkett turn his head; but Mr. Blair, suddenly remembering the moss agates, pushed out his chair, saying with a smile: