His great-uncle on his mother's side died of it, so it "run in the family." Either he must come home or she should come to him, one or the other.
But before evening his blueness had disappeared.

He had just returned to his room, after stepping into the hall to drop his letter in the mail chute, when his niece knocked at the door.

He was surprised to see her, for she had not spoken to him, except in brief reply to questions, since their misunderstanding in that very room.

He looked at her wonderingly, not knowing what to say or what to expect; but she spoke first.
"Captain Warren," she began, hurriedly, "the last time I came to you--the last time I came here, I came to ask a favor, and you--I thought you--" She was evidently embarrassed and confused.

Her guardian was embarrassed, also, but he tried to be hospitable.
"Yes, Caroline," he said, gravely, "I know what you mean.