"At a time like this the burgomaster himself is under military orders," he told the waiting boys, "and if it happened to be a matter of much importance I could not honor his request. It chances, however, that in this case there is nothing involved except your safety. And you seem to be willing to take the risk?"

"Yes, because we have a very important piece of business to carry out," Rob hastened to tell him, seeing which way the wind was blowing, and wishing to take advantage of the flood-tide. "It means a great deal to one of my friends if we can find a certain man. You will allow us to go on, then, I hope?"

The lieutenant shrugged his shoulders in real French style as he handed the burgomaster's passport back.

"Yes, if you are that rash, young messieurs," he said. "We, of the Belgian army, can admire pluck. You certainly have my best wishes."

"Oh! thank you, lieutenant!" gushed Tubby, who was relieved to know that the enterprise was not fated to be condemned at the start.

Perhaps the time might come ere long when the same Tubby would be secretly lamenting over the fact that it had been given a free swing. But coming events do not always cast their shadows before; and just at that moment none of the venturesome scouts could so much as guess what awaited them in the disturbed country beyond.

They gave the obliging lieutenant a regular scout salute, which he returned in kind. The paper had informed him that Rob and his chums were members of the Boy Scout organization in America, so that the fact of their wearing khaki uniforms was easily understood.

"I hope we have as good luck in skipping past every obstacle we run up against," Merritt was saying, as they moved along the road leading from Antwerp in the direction of the Belgian capital.

"Oh! we mustn't expect to be always as fortunate as that," said Rob. "I believe in hoping for the best, and preparing for the worst. It's good policy all around."