The footsteps quickened; and I turned as a constable ran up.

"What's this?" he demanded gruffly, and stood with his fists clenched,
looking from Smith to me and down at that which lay between us. Then
his hand flew to his breast; there was a silvern gleam and--

"Drop that whistle!" snapped Smith--and struck it from the man's
hand. "Where's your lantern? Don't ask questions!"

The constable started back and was evidently debating upon his chances
with the two of us, when my friend pulled a letter from his pocket and
thrust it under the man's nose.

"Read that!" he directed harshly, "and then listen to my orders."

There was something in his voice which changed the officer's opinion
of the situation. He directed the light of his lantern upon the open
letter and seemed to be stricken with wonder.

"If you have any doubts," continued Smith--"you may not be familiar
with the Commissioner's signature--you have only to ring up Scotland
Yard from Dr. Petrie's house, to which we shall now return, to
disperse them." He pointed to Forsyth. "Help us to carry him there. We
must not be seen; this must be hushed up. You understand? It must not
get into the press--"

The man saluted respectfully; and the three of us addressed ourselves
to the mournful task. By slow stages we bore the dead man to the edge
of the common, carried him across the road and into my house, without
exciting attention even on the part of those vagrants who nightly