heading the car to the eastward. "I think I begin to understand," thought Harriet Burrell aloud. "What ith it that you underthtand?" demanded Tommy, pricking up her ears. "You know where we are going, don't you?" "I can make a close guess," replied Harriet, nodding brightly. "Oh, tell uth, tell uth," begged Tommy. Harriet shook her head. "I couldn't think of it. Miss Elting wishes it to be a surprise to you." "Well, won't it be jutht ath much of a thurprithe now ath it will be thome other time?" argued Grace Thompson. "Perhaps Harriet just imagines she knows. I do not believe she knows any more about our destination than do the rest of our party," said the guardian. "But why worry about it? You will know when you get there." Jane stopped the car, and, getting out, proceeded to put the curtains up on one side, Harriet and Hazel doing the same on the opposite side. The storm curtain, with its square of transparent isinglass, was next set in place to protect the driver from the front, the wind shield first having been turned down out of the way. "Now let the rain come," chuckled Jane, after having taken a quick survey of their work. "Yes; it is nice and cosy in here," answered Miss Elting. "I almost believe I should like to sleep in here during a rainstorm." "Excuthe me," objected Tommy. "I'd be thure to get crampth in my neck." "She would that," answered Jane laughingly, starting the car and a moment later throwing in the high-speed clutch. The party was not more than fairly started on the way again when the raindrops began pattering on the leather top of the car. "There it comes," cried Jane McCarthy. "Sounds like rain on a tin roof, doesn't it?" The downpour rapidly grew heavier, accompanied by lightning and thunder. The flashes were blinding, dazzling Jane's eyes so that she had difficulty in keeping her car