diately lost himself in the crowd; but he acted as though considerably annoyed by the encounter.
Tom and his chum made no attempt at following him. They had attained their object, which satisfied them both.
"It was the slippery scamp, all right!" chuckled Jack.
"Yes, no other than Adolph Tuessig," added the second young aviator. "I saw his face plainly, and although he's changed his looks more or less, so as to appear like a Swiss citizen perhaps, I easily recognized him. And if anything else were needed to settle the matter, he had a decided limp as he hurried off."
"Which I suppose you lay to the teeth of that splendid bulldog of yours, eh, Tom?" laughingly added the other.
As both of the air service boys were exceedingly tired, and there did not seem to be much worth looking at going on in London, once night had settled down over the great English metropolis, they returned to their hotel. Here they sat around for a while and then sought their room, bent on securing a good night's rest, the first they had had an opportunity to enjoy since entering the danger zone.
Once again it chanced that they counted without their host. They forgot they were
