"On the contrary, it was a very good one, and you know it. You have kept it?"

"No; I burned it long ago."

"Not so very long! However, never fear; I will write you plenty more, and even better ones. I will go away on purpose."

They crossed the east end, under the great dome, and came around on the other side.

"You said some bitter things to me in that old amphitheatre, Margaret; I shall always hate the place. But after all—for a person who was quite indifferent—were you not just a little too angry?"

"It is easy to say that now," she answered.

They went down the north aisle.

"Why did you stop and leave the room so abruptly when you were singing that song I asked for—you know, the 'Semper Fidelis?'"

"My voice failed."

"No; it was your courage. You knew then that you were no longer 'fidelis' to that former love of yours, and you were frightened by the discovery."