"How lovely the day is!" said mother. She made little remarks of this sort from time to time, but she did not do what was her invariable habit, and the fact of her omitting to do this caused me some surprise. As a rule, whenever she looked at any one, she generally ended by glancing at father's picture, but to-day she did not once look at it. This impressed me as so very strange and so unlike her, that I said--