"Now, just for that you will all three get in Cora's car, and I'll take the Misses Robinson in with me," declared Jack.
There was laughter at this, and Jack introduced his mandolin club friends to Cora and the twins.
"Seriously, though, sis, you'll have to take one or two of 'em," went on Jack. "Here, Diddick, you and Parks go in the big car. I want to talk to Youmans about the concert we're going to have."
Diddick and Parks gladly made the exchange into the larger car, while Youmans tried to look as if he liked to remain with Jack. But it was hard work to imagine it when he glanced across at the pretty twins and Cora.
"Hold on a minute," exclaimed Walter as he noticed that one of the rear tires of the touring car was flat. "We can't go on like this, Cora. That left tire will have to be pumped up."
"And you've got good muscles to do it, too, Walter," urged Diddick, smiling mischievously.
"We'll all help," volunteered Parks. "Come on!"
Diddick, Walter and Parks alighted. Walter stepped to the tool-box to get out the pump and the lifting-jack. As he was about to take them out he started back excitedly.
"Hurt yourself?" asked Cora, who was looking over the side of the car.
Walter shook his head. His face was strangely white as he spoke in a husky voice: