"Since the car is gone, as you say, that is so." And he turned again to Servettaz.
"It was a powerful car ?" he asked.
"Sixty horse-power," said Servettaz.
Hanaud turned to the Commissaire.
"You have the number and description, I suppose?
It will be as well to advertise for it.

It may have been seen; it must be somewhere." The Commissaire replied that the description had already been printed, and Hanaud, with a nod of approval, examined the ground.

In front of the garage there was a small stone courtyard, but on its surface there was no trace of a footstep.
"Yet the gravel was wet," he said, shaking his head.

"The man who fetched that car fetched it carefully." He turned and walked back with his eyes upon the ground.

Then he ran to the grass border between the gravel and the bushes.
"Look!" he said to Wethermill; "a foot has pressed the blades of grass down here, but very lightly--yes, and there again.