"Why, yes, you're right!" exclaimed the astonished Koch. "So they're there, are they?" And he again shook the door violently.

"Stay!" resumed the young man, "don't pull like that. There's something peculiar about this. You've rung, you've pulled at the door with all your might, and they haven't answered you; therefore, they've either both fainted away, or—"

"What?"

"This is what we had better do: have the porter up, so that he may find out what's the matter."

"That's not a bad idea!"

They both started downstairs.

"Stop! you stay here; I'll fetch the porter."

"Why stay here?"

"Well, one never knows what might happen—"

"All right."