be, by myself."

"What do you take us for, I want to know?" demanded Rob. "Haven't we been through all sorts of tough times together in the past; and why shouldn't we stand by our chum when he needs our help? What's a scout good for if he is ready to desert a comrade when the sky grows dark? That's just the time to show his true colors."

"You're taking the very words out of my mouth when you say that, Rob!" asserted Tubby valiantly. "No matter what happens, we're bound by the ties of old friendship. We'll sink or swim together, boys. And Merritt, please don't ever tell us again you're feeling sorry for letting us come along."

"If that man is to be found, we're going to corner him!" declared Rob, with his lips taking on the firm lines that marked them whenever he was making up his mind to hammer away persistently, like Grant did before Richmond; "and when we go back to the other side, we hope to be carrying that precious old paper your grandfather let get out of his possession in such a queer way."

"This seems like a pretty warm day to me, even for summer," observed Tubby irrelevantly.

"Now, we can give a pretty good guess, Rob," ventured Merritt smilingly, "that Tubby has a sly meaning back of that remark."

"Yes," added the patrol leader, "and the chances are three to one it has something to do with feeding."

"You are champion guessers, both of you," Tubby informed them, without seeming to be in the least ashamed of the confession. "I'm consumed by a violent thirst right now; and I bet you the milk in that shiny brass can that those two tired dogs have been dragging all over Antwerp this afternoon will have a lump of ice in it. Anyway, I'm going to test it; come along and let me stand treat."

Laughing at his earnestness, the others followed the fat scout across the street, where the old woman with her dog team was apparently resting, and observing the remarkably interesting sights around her.

Just then there were loud cheers that attracted the attention of the three boys.

"Something else coming along that's worth seeing," Merritt announced. "Better curb that fierce thirst of yours for a minute or two, Tubby, while we watch what's passing."

"Oh! well, I guess the milk won't sour while we're waiting," admitted the fat boy with a sigh of resignation, as he wheeled so as to face the street.

"What do you call that, I wonder?" remarked Merritt, as he looked. "It's got the wheels of an automobile; but say, notice how the body of the car has been built up with steel sides, will you? And as sure as you live there's a quick firing Maxim mounted behind that bullet shield."

"Now I know what it is," Rob hastened to say.

"Then tell us, please," urged Tubby helplessly.

"They call them armored cars," said the patrol leader. "I've read about how some of these reckless Belgians have fitted up cars in this way. Nearly every day they start out to raid through the country, where they expect to run across detachments of Uhlans, or bicycle squads of the German advance. Then they dart down on them and do some terrible work; before the enemy can recover to smash them, they are off like a flash, and return to town with all sorts of trophies."

"They must have just been coming in," ventured Merritt. "I saw one of the soldiers had a bandage around his head. Another was holding up two helmets which must have been worn by Uhlans. And listen how the crowds roar and cheer. They certainly do hate the Kaiser and his army in Antwerp."

"Well, do you wonder?" Rob asked. "After some of their lovely towns have been burnt down, and thousands of houses destroyed, simply because these Belgians dared to stand up for their rights as a neutral nation!"

"Well, how about that drink of milk, fellows?" Tubby wanted to know.

"Suit yourself, Tubby," Rob told him. "If it tastes good to you, we might join you in a glass."

"Huh! sort of 'trying it on the dog first,' eh?" Tubby retorted, and then turning toward the owner of the dog team and the milk cart, he made a gesture with his head, and held up three fingers.

Evidently the old woman must have understood what he meant, though she looked a bit "peeved," as Tubby afterward expressed it, at being asked to do a retail business. There were a number of measures dangling from hooks around the top of the shining brass milk can, also several glass "schooners." Taking one of the latter the old Belgian milk vender was in the act of filling it from the contents of the can when something astonishing happened.

Four soldiers who had been passing became excited, and pointed at the group; then they laid violent hands on the owner of the milk cart!

CHAPTER III.

LEAVING FOR THE FRONT.

"What's this? What's this?" stammered Tubby, as the schooner of rich milk fell with a crash to the pavement when the soldiers began struggling with the woman vender, who was also the owner of the dog team.

Of course a crowd collected immediately, as it always will in a city when there is the first sign of something doing. Antwerp was fairly seething with half suppressed excitement at that time, and anything of this kind was like putting a match to the powder magazine.

"Well, I declare but she's a husky old woman, that's right!" Tubby was heard to say after his astonishment had in a measure abated, and he could catch his breath. "Why, it takes the whole four soldiers to subdue her. Shame! to hit a poor old woman like that; but my stars, don't she kick and try to land a blow on some of their noses."

"Whew! what do you think!" exclaimed Rob just then, for he had been listening to some of the chattering on the part of the excited crowd near by. "It isn't an old woman, after all, but a man. That explains how he comes to fight as he does, and why the Belgians keep on treating him so roughly."

"A man, and dressed up like a woman!" cried Tubby. "Well, if that isn't a queer stunt, I want to know. Is he trying to escape military duty, do you think, Rob? I remember they have conscription here in Belgium just like in Germany, Russia and France. Every young fellow has to serve the colors just so long."

But Rob shook his head. By now the soldiers had apparently conquered the spirit of the man in woman's garments. His white Belgian cap had been torn off in the struggle, showing that his hair was short underneath. He was also bleeding from having come in contact with some hard object, but he now stood there as straight as any grenadier, and looked his captors contemptuously in the face.

"They say he's a German spy!" Rob told his two chums. Tubby again held his breath, and stared as hard as he could at the prisoner.

The crowd became fairly wild to get at the captive, and made all manner of violent threats as they surged around the little group. The milk can was upset, and the dogs liberated by some friendly hand ran wildly away, as though knowing that their temporary master had gotten himself in a serious scrape.

The four determined Belgian soldiers guarding their prisoner against the fury of the mob began to work a way along the pavement, meaning, no doubt, to land their prize in the lock-up, where he would be safe until the firing squad was called on to complete the tragedy.

Presently their signals brought another detachment of the guard to the spot, a way was speedily cleared through the dense masses of people, and that was the last the three scouts saw of the spy. They could guess his fate, but at the same