"Who told you I was here ?" She put the question, not only with a tone of suspicion, but with a look of contempt.

The look was not an easy one for a man to bear.

It required a momentary exertion of self-control on Arnold's part, before he could trust himself to answer with due consideration for her.

"Is there a watch set on my actions ?" she went on, with rising anger.

"And are _you_ the spy ?" "You haven't known me very long, Miss Silvester," Arnold answered, quietly.