"Send Bobby round to the garage, Barton, to order the car at once. He can tell Albert I shall be ready as soon as he is, but to take his headlights and fill up with petrol." This was repeated with paternal severity in the wings. "Now, Barton, my little red road-book, and see if you can find Pax Monktons in the wilds of Surrey. It can't be more than a hamlet. Try the Cobham country if it's not in the index."

This took longer—took a survey map and two pairs of eyes before Pax Monktons Chase was discovered in microscopic print, and the light green peppered with dots signifying timber three hundred feet above sea-level.

"Never heard of it in my life before," said Dollar, as he laced brown shoes before his coffee. "Or of the man either, or his double-barreled name for that matter. You might see if there's a Dale-Bulmer in Who's Who."

But again Barton was unsuccessful; and here his services ended, though through no fault of his own, or failure of unselfish zeal for one of those more than probable adventures which made him hate the chauffeur who was always in them, and curse the duties that kept other people out.

"Will you take your flask, sir?"

"Lord, no! I'm not going to the North Pole."

"Or your—or one of those revolvers, sir?"

"What on earth for? Besides, they're not mine; they ought to be in the Black Museum at Scotland Yard." The nucleus of a branch exhibition was forming itself in Welbeck Street. "Don't you give way to nerves, Barton! I'm only going down to see a man who seems anxious to see me, but I shouldn't be going to him if we had anybody up-stairs. You three make an afternoon of it somewhere; never mind if I'm back first; go out and enjoy yourselves."

And he was off as if on a deliberate jaunt; but an involuntary chuckle in the voice over the telephone, the hint of a surprise, the possibility of a trick, made lively thinking after the doldrums of the dog-days; and the fine September afternoon seemed expressly ordered for motorists with time upon their hands. Dollar had only been thinking so when the call came through, to supply just the object which gives a run its zest, and nothing else mattered in the least. However frivolous the end and errand, the means and the meantime were so much to the good on such a day.

It was warm, yet delightfully keen at thirty miles an hour; clear as crystal within rifle-shot, and deliciously hazy in the distance; the bronze upon the trees seldom warming to a premature red, often lapsing into the liquid greens of midsummer; but all the way an autumnal smear of silver in the sunlight. Dollar divided his mind between a sensuous savoring of the heavenly country, and more or less romantic speculations on the case in store. Some people's notions of a crime doctor's functions were so much wider even than his own; ten months out of the twelve, he could not have afforded to come so far afield without a distastefully definite foreword about fees.