I suppose you are quite sure of what you are saying ?" Beatrice shrugged her shoulders.
"I ought to know," she answered, grimly, "for she is my sister." Tavernake remained quite motionless for a minute, without speech; it was his way of showing surprise.

When he was sure that he had grasped the import of her words, he spoke again.
"Your sister!" he repeated.

"There is a likeness, of course.

You are dark and she is fair, but there is a likeness.

That would account," he continued, "for her anxiety to find you." "It also accounts," Beatrice replied, with a little break of the lips, "for my anxiety that she should not find me.