"The gang that held you up," said the police officer, "was one that escaped from a jail, about twenty miles away. I got a tip after you left, that they were going to rob you, for, in some way, they learned about the money you and Mr. Damon were to bring from the bank. The unfortunate part of it was that the tip I got was to the effect that the hold-up would take place just outside of Clayton. I telephoned to the police there, just after you left, and they said they'd send out a posse. But the gang changed their plans; and held you up near here, where I wasn't expecting it. But I'll get 'em yet." Chief Simonson did not arrest the gang, but some other police officers did, and they were taken back to jail. They were not prosecuted for the attempted robbery of Tom, as it was considered difficult to fix the guilt on them, but they received such a long additional sentence for breaking jail, that it will be many years before they are released. When Tom reached home that night he found some mail from the officials of the Touring Club of America. It was to the effect that arrangements for the big contest had been completed, and that contesting cars must be on the ground by September first. "That gives me two weeks yet," thought our hero. He read further of the regulations covering the race. Each car must proceed from the home town or city of the owner, and go to the track under its own power. This was a new regulation, it was stated, and was adopted to better develop the industry of building electric autos. Two passengers, or one in addition to the driver, must be carried, it was stated, and this one would also be expected to be in the car during the entire race. Regarding the race proper it was stated that at first it had been decided to make it a twenty-four hour endurance contest, but that for certain reasons this was changed, as it was found that few storage batteries could go this length of time without a number of rechargings. Therefore the race was to be one for distance--five hundred miles, on the new Long Island track, and the car first covering that distance would win. Cars were allowed to change their batteries as often as they needed to, but all time lost would count against them. There were other rules and regulations of minor importance. "Well," remarked Tom, as he read through the circulars, "I must get my car in shape. It will be quite a trip to Long Island, and I think my best plan will be to go direct to the cottage we had when we were building the submarine, and from there proceed to the track. That will comply with the rules, I think. But who will I get to go with me? I suppose Mr. Damon or Mr. Sharp will be willing. I'll ask them." He broached the matter to his two friends that night, and they both agreed to go to Long Island in the car, though only Mr. Sharp would accompany Tom in the race. The next two weeks were busy ones for Tom. He worked night and day over his car, getting it in shape for the big event.