"In what manner was he injured?"
"He was flung from a horse."
"In the city?"
"No, in the woods while he was in pursuit of a burglar."
"Indeed!"
Then the young engineer fell to thinking deeply. He was not exactly satisfied with the situation of affairs. He was well assured of one thing, however, and that was that something had happened to Silas Keene, and it seemed that the mystery of the detective's disappearance was likely to be revealed this night.
After a time the lights of the city disappeared and the hack rattled on over a country road.
When at length it came to a halt, intense darkness surrounded them.
Mr. Jones rose and opened the door.
The two alighted.