He located the garage without much difficulty, and made his way to it, crossing over the broad, flagged drive to where the erstwhile barn loomed up against the starlight sky. The doors were still open and there was a certain amount of light from two hurricane lanterns hanging from a low beam in the roof. There were more than half a dozen cars lined up inside, and he reflected how very typical each was of its owner. The Rover coupé with the cream body and the black wings was obviously Anne Edgeware’s; even had he not seen her smart black-and-white motoring kit he would have known it. The Salmson with the ridiculous mascot was patently Chris Kennedy’s property; the magnificent Lanchester must be Gideon’s, and the rest were simple also; a Bentley, a Buick, and a Swift proclaimed their owners.

As his eye passed from one to another, a smile flickered for an instant on his lips. There, in the corner, derelict and dignified as a maiden aunt, was one of the pioneers of motor traffic.

This must be the house car, he reflected, as he walked over to it, Colonel Coombe’s own vehicle. It was extraordinary how well it matched the house, he thought as he reached it.

Made in the very beginning of the century, it belonged to the time when, as some brilliant American has said, cars were built, like cathedrals, with prayer. It was a brougham; coach-built and leathery, with a seating capacity in the back for six at least, and a tiny cab only in front for the driver. Abbershaw was interested in cars, and since he felt he had time to spare and there was nothing better to do, he lifted up the extraordinarily ponderous bonnet of the ‘museum-piece’ and looked in.

For some moments he stood staring at the engine within, and then, drawing a torch from his pocket, he examined it more closely.

Suddenly a smothered exclamation broke from his lips and he bent down and flashed the light on the underside of the car, peering under the ridiculously heavy running-boards and glancing at the axles and shaft. At last he stood up and shut down the bonnet, an expression of mingled amazement and curiosity on his cherubic face.

The absurd old body, which looked as if it belonged to a car which would be capable of twenty miles all out at most, was set upon the chassis and the engine of latest ‘Phantom’ type Rolls-Royce.

He had no time to reflect upon the possible motives of the owner of the strange hybrid for this inexplicable piece of eccentricity, for at that moment he was disturbed by the sounds of footsteps coming up the flagged drive. Instinctively he moved over to his own car, and was bending over it when a figure appeared in the doorway.

‘Oh – er – hullo! Having a little potter – what?’

The words, uttered in an inoffensively idiotic voice, made Abbershaw glance up to find Albert Campion smiling fatuously in upon him.