He did not want to be discovered.
"Oh! I remember," moaned Miss Davis.

"My poor mother!" Mark could not bear the unhappy tone of her voice, and turned and fled out of the room.
"Don't believe any news those people brought you, Miss Davis," said Hetty.

"I am sure they were impostors." She was longing to say, "Mark and I played a trick for fun," but did not dare until she had first spoken to Mark.
"Why do you think so?
Hetty, is it possible you are crying for me?
I did not think you cared so much about me, my dear." "I am sorry, I am sorry," cried Hetty, bursting into a fresh fit of crying; "I did not know you had a little brother, Miss Davis." "I have, Hetty; next to my mother he is the dearest care of my life.

I could not have told you this but for your tears.

My mother and I are very poor, Hetty, and my uncle had lately taken my boy and promised to put him forward in the world.