"You want to harm her, you mean."
"Then you won't tell me where she lives?"
"No. And let me add, if you find out and try to harm her you'll get hurt."
"Oh, you make me tired," muttered Bulson, and walked away.
Everything seemed to be against the young man, but two days later his luck—if such it can be called—changed.
He was walking along a fashionable side street, when on chancing to look ahead he saw Gertrude leave a house and hurry to the corner.
He started to follow her, but before he could reach her she had boarded a street car and was out of his reach.
Going back to the house he met a girl of twelve coming out on the stone stoop.
"Good-afternoon," he said politely. "Am I right about seeing Miss Horton just coming from here?"
"You are," answered the girl. "She's just been giving me a music lesson."