“Why, Mrs. Brown, you know I am at your service.”

“I was sure of you somehow, even if I had not been almost certain you were related in some way to Dum and Dee Tucker. My little sketch book told me that and it told me something else, too, but I must begin at the beginning.”

Judy, whispering, began with her meeting of the Misels, of her interesting the Greens at Wellington, of Misel’s substituting in French at the college and of Madame’s work in the war relief. Jeffrey Tucker’s eyes flashed as the newspaper man in him scented a rousing good story. When Judy got to the part where she and her friends went out in the night to hunt for adventure and found it in the manly shape of Misel taking strenuous exercise for a cripple, he beamed with joy and felt in his pocket for a pencil. Judy rapidly told him of the puppy’s wounded leg and of the tetanus germs as well as ground glass being found in the dressings. He set his square jaw and looked as though he could eat the kaiser and all his crew at one mouthful.

“And now I have come to the dénouement!” gasped Judy, excitement making her breathless. “If I could recognize you by your likeness to my sketches, I fancy I could also recognize Madame Misel by sketches of herself. I got two of her this morning at the war relief. The detectives did not arrest them, as they want to get others in their dragnet, but in some way the spies must have caught on to the fact that they were under suspicion, as they sneaked away.”

“Are you sure?”

“Sure as shooting! In fact they are on this train.”

“No!” excitedly.

“Now, Mr. Tucker, you must compose yourself if we mean to catch the creatures!”

“Certainly!” and the eager man sank back in his seat and tried to look as though he were having a mild conversation with the attractive young woman who had jumped on the back of the moving train.

“Now that is better! Keep that nonchalant expression for what I am going to tell you——”