That would mean that a pigeon had arrived from--from out there, and that the automatic door had closed upon it as it entered the cote.

But if it didn't come-- if it didn't come! Then what?
There was only one conclusion to be drawn, and he shuddered a little when he thought of it.

There could only remain this single possibility when he considered the sinister things that had happened--the failure of the girl to get an answer by telephone, and the unexpected appearance of Red Haney with the uncut diamonds.

It might be necessary for him to go out there, and how could he do it?
How, without leaving an open trail behind him?
How, without inviting defeat in the fight he was making?
His meditations were interrupted by the appearance of Miss Kellner.
She had crept down the stairs noiselessly, and stood beside him before he was aware of her presence.

Her eyes sought his countenance questioningly, and the deadly pallor of her face frightened him.