He stood stiffly by his chair as Mallow paced the room reflectively.

"After all, I don't see why we should quarrel," said the latter at length.
"That's just what I've been driving at for the last ten minutes." "Very good," said Mallow soothingly, "let us sit down and smoke.

I have no particular engagement, and if you will have some coffee--" "I will have both cigarette and coffee if you will help me to unravel this case," said Jennings, sitting down with a smoother brow.
"But I don't see what I can--" "You'll see shortly.

Will you be open with me ?" "That requires reflection." "Reflect as long as you like.

But if you decline, I will hand the case over to the next man on the Scotland Yard list.