"Talk about keeping slaves, as if we did it for our convenience," said Marie. "I'm sure, if we consulted that, we might let them all go at once." Evangeline fixed her large, serious eyes on her mother's face, with an earnest and perplexed expression, and said, simply, "What do you keep them for, mamma?" "I don't know, I'm sure, except for a plague; they are the plague of my life. I believe that more of my ill health is caused by them than by any one thing; and ours, I know, are the very worst that ever anybody was plagued with."