"The same," replied my friend. "Should you know him if you saw
him?"

"Anywhere, sir."

"Do you know if he was in the 4:15 express yesterday afternoon?"

"He was not, sir."

"How can you answer so positively?"

"Because I looked into every carriage and saw every face in that
train, and I could take my oath that Mr. Dwerrihouse was not in it.
This gentleman was," he added, turning sharply upon me. "I don't
know that I ever saw him before in my life, but I remember _his_
face perfectly. You nearly missed taking your seat in time at this
station, sir, and you got out at Clayborough."

"Quite true, guard," I replied; "but do you not remember the face
of the gentleman who travelled down in the same carriage with me
as far as here?"

"It was my impression, sir, that you travelled down alone," said
Somers, with a look of some surprise.

"By no means. I had a fellow-traveller as far as Blackwater, and
it was in trying to restore him the cigar-case which he had dropped
in the carriage that I so nearly let you go on without me."

"I remember your saying something about a cigar-case, certainly,"