"William Skin takes the letters some days," suggested Dinah, "if he happens to overtake the post on his way back with the cart. It saves the man a climb up the hill."

"I wonder—" mused Mrs Bosenna.

"Where is he?" Cai's bewildered brain darted at the impossible stratagem of intercepting Skin and getting the letters from him.

"Stabling the pony at this moment, I expect. . . . But I don't understand. What letters are you talkin' about? What sort of letters?"

"There—there was one from me and one from 'Bias—"

"Goodness!" she broke in, smiling pleasantly, "What, another invitation?"

"Well—" began Cai.

"Yes," struck in 'Bias.

"You might call it an invitation, o' sorts," Cai conceded.

"'Course you might," said 'Bias positively.