"Go up towards the Park," he said. "And step on it."
The taxi swung round in an obedient semicircle and rattled north. As it came round the curve the Saint took a last look at the corner where he had so nearly met disaster. The blue-uniformed man who had got out of the police car was putting his hand on the Hirondel's radiator. He took it away quickly and said something to his companion, and then they both started to look round; but by that time their chance of immortal fame had slipped through their fingers. The Saint buried himself in the corner of the seat, and his cab bowled away on the second lap of the chase.
The policeman at the top of the road was stopping the north-and-south traffic, and the taxi had caught up to within a few yards of the Daimler's petrol tank when he lowered his arm. The driver slackened speed and half turned.
"Where to, sir?"
"Keep going." The Saint sat forward. "You see this Daimler just ahead of you?"
"Yessir."
"There's two quid for you on top of the fare if you can keep behind it."
You may have wondered what happens in real life when the pursuing sleuth leaps into a cab and yells "Follow that car!" The answer is that the driver says "Wot car?" After this has been made clear, if it can be made clear in time to be of any use, he simply follows. He has nothing better to do, anyhow.
Whether he can follow adequately or not is another matter. Simon suffered a short interval of tenterhooked anxiety before he was assured that his guardian angel, still zealously concentrating on its job, had sent him a taxi that was capable of keeping up with most ordinary cars in traffic and a driver with enough cupidity to kick it along in a way that showed that he regarded a two-pound tip as something to be seriously worked for. The whim of a traffic light or a point-duty policeman might still defeat him, but nothing else would.
Simon sat back and relaxed a little.