"You're another!" flung back Frank.
The man with the black mustache pushed away the girl and sat up, staring, in a dazed way, at the two boys.
"Who struck me?" he asked.
"I believe I had that pleasure," smiled Frank.
"You? Did you knock me down? Why, you're a kid! I can kill you with one blow!"
He got upon his feet, his face dark as a thundercloud.
The girl caught him by the arm, crying, in distress:
"Don't Paul—don't harm him! He has been kind to me on the train. I beg you not to hurt him!"
This seemed to anger the man still more.
"Kind to you, eh?" he snarled. "And the other one tried to flirt with you. I will——"