"Oh, so much!" said Margaret, with a sigh of wistfulness. "I can't think of anything pleasanter!"

Margaret turned suddenly, and there, just behind her, almost touching her, stood Rosa, that strange, baleful gleam in her eyes like a serpent who was biding her time, drawing nearer and nearer, knowing she had her victim where she could not move before she struck.

It was a strange fancy, of course, and one that was caused by sick nerves, but Margaret drew back and almost cried out, as if for some one to protect her. Then her strong common sense came to the rescue and she rallied and smiled at Rosa a faint little sorry smile. It was hard to smile at the bright, baleful face with the menace in the eyes.

Hazel was watching her. "You poor child! You're quite worn out! I'm afraid you're going to be sick."

"Oh no," said Margaret, trying to speak cheerfully; "things have just got on my nerves, that's all. It's been a particularly trying time. I shall be all right when to-morrow night is over."

"Well, we're going to send for you very soon, so be ready!" and Hazel followed her husband, waving her hand in gay parting.

Rosa was still standing just behind her when Margaret turned back to her desk, and the younger girl gave her one last dagger look, a glitter in her eyes so sinister and vindictive that Margaret felt a shudder run through her whole body, and was glad that just then Rosa's father called to her that they must be starting home. Only one more day now of Rosa, and she would be done with her, perhaps forever. The girl was through the school course and was graduating. It was not likely she would return another year. Her opportunity was over to help her. She had failed. Why, she couldn't tell, but she had strangely failed, and all she asked now was not to have to endure the hard, cold, young presence any longer.

"Sick nerves, Margaret!" she said to herself. "Go home and go to bed. You'll be all right to-morrow!" And she locked the school-house door and walked quietly home with the faithful Bud.

The past month had been a trying time also for Rosa. Young, wild, and motherless, passionate, wilful and impetuous, she was finding life tremendously exciting just now. With no one to restrain her or warn her she was playing with forces that she did not understand.

She had subjugated easily all the boys in school, keeping them exactly where she wanted them for her purpose, and using methods that would have done credit to a woman of the world. But by far the greatest force in her life was her infatuation for Forsythe.

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