And yet I felt there was something strange in him, without being told, and without knowing what it was.

There must have been a reason in me for the dislike that I felt for him from the first." Those words appeared to me to indicate the state of mind which had led to Lucilla's deplorable mistake.

I cautiously put some questions to her to test the correctness of my own idea.
"You spoke just now of forcing the truth out of Oscar," I said, "What made you suspect that he was concealing the truth from you ?" "He was so strangely embarrassed and confused," she answered.

"Anybody in my place would have suspected him of concealing the truth." So far the answer was conclusive.
"And how came you to find out what the truth really was ?" I asked next.
"I guessed at it," she replied, "from something he said in referring to his brother.

You know that I took a fanciful dislike to Nugent Dubourg before he came to Dimchurch ?" "Yes." "And you remember that my prejudice against him was confirmed, on the first day when I passed my hand over his face to compare it with his brother's." "I remember." "Well--while Oscar was rambling and contradicting himself--he said something (a mere trifle) which suggested to me that the person with the blue face must be his brother.