The father often wondered at this, but did not inquire the cause.

He had never asked an account: to render it had been a voluntary act, and he could not, therefore, ask why it was withheld.

He noticed, however, a change in Nina.

She was more thoughtful, and conversed less openly than before.

If he looked at her intently, her eyes would sink to the floor, and the color deepen on her cheek.