But the others interrupted her with their laughter.

“All the same,” remarked Marjorie, as Ethel started her motor again, “I can’t help thinking that maybe Alice is on the right track! Maybe they had something to do with scattering those tacks!”

And the girls gave some thought to the conjecture, for it was Marjorie Wilkinson who had uttered it.

THE VISIT TO MAE’S.

CHAPTER VII

THE VISIT TO MAE’S.

For the next few days everything went serenely. The weather was fine, and the scenery beautiful; with the exception of one thunderstorm and the spoiling of some rather good food, the girls met with no misfortune whatever. Nor did they see the red car again until they stopped at a hotel in Pittsburg. Then they met the young men in the lobby, just as they were about to go in to dinner. Florence and Daisy both nodded graciously, and Alice squeezed Ethel’s arm so hard that she exclaimed aloud.

“Now’s our chance to pump them,” the excited girl whispered. “Make Flos and Daisy introduce them!”

“You still really cling to the theory that they are on the look-out for us?” asked Ethel.

“Why, certainly; Aunt Emeline could hire other spies besides my cousins.”