The next moment he felt a clutch upon his shoulder and then talon fingers closed about his windpipe.
Not a word did his assailant speak. Who or what he was Frank could only conjecture.
Naturally he believed him to be one of the greasers.
But if this was the case, somewhat singularly the fellow made no effort to cry out for his companions.
His purpose seemed to overcome Frank without an outcry.
But the young inventor had no idea of submitting without a struggle.
He grappled with him and a struggle followed which baffles description.
Backward and forward they swayed and reeled. Now one held the advantage and now the other.
In this manner the struggle continued for some time.
In vain Frank tried to throw his adversary.