When the Peterkins were gone, Arthur started at once for his room, but stopped at the foot of the stairs and said to his brother: 

’Don’t forget to have the carriage at the station at seven o’clock.  Gretchen is sure to be there.’

‘All right,’ was Frank’s reply.

While Mrs. Tracy asked: 

‘Who is Gretchen?’

If Arthur heard her he made no reply, but kept on up the stairs to his room, where they heard him for a long time walking about, opening and shutting windows, locking and unlocking trunks, and occasionally splashing water over his face and hands.

‘Your brother is a very elegant-looking man,’ Mrs. Tracy said to her husband as she was preparing to retire.  ’Quite like a foreigner, but how bright his eyes are, and they look at you sometimes as if they would see through you and know what you were thinking.  They almost make me afraid of him.’

Frank made no direct reply.  In his heart there was an undefined fear which he then could not put into words, and with the remark that he was very tired, he stepped into bed, and was just falling into a quiet sleep when there came a knock upon his door loud enough, it seemed to him, to waken the dead.  Starting up he demanded who was there and what was wanted.

‘It is I,’ Arthur said.  ’I thought I smelled gas, and I have been hunting round for it.  There is nothing worse to breathe than gas, whether from the furnace, the pipes, or the drain.  I hope that is all right.’

‘Yes,’ Frank answered, a little crossly.  ’Had a new one put in two weeks ago.’

’If there’s gas in the main sewer it will come up just the same, and I am sure I smell it,’ Arthur said.  ’I think I shall have all the waste-pipes which connect with the drain cut off.  Good-night.  Am sorry I disturbed you.’

They heard him as he went across the hall to his room, and Frank was settling down again to sleep when there came a second knock, and Arthur said, in a whisper: 

’I hope I do not trouble you, but I have decided to go myself to the station to meet Gretchen.  She is very timid, and does not speak much English.  Good-night once more, and pleasant dreams.’

To sleep now was impossible, and both husband and wife turned restlessly on their pillows, Frank wondering what ailed his brother, and Dolly wondering who Gretchen was and how her coming would affect them.

CHAPTER IX.

WHO IS GRETCHEN?

This was the question which Mr. and Mrs. Tracy asked of themselves and each other many times during the hours which intervened between their retiring and rising.  But speculate as they might they could reach no satisfactory conclusion, and were obliged to wait for what the morning and the train might bring.  The party had been a success, and Frank felt that his election to Congress was almost certain; but of what avail would all this be if he lost his foothold