she would have discovered, in the lamplight, that her noble husband was hovering in her rear. But the Princess was otherwise occupied; she failed to see that at one moment he came so close as to suggest that he had an intention of addressing himself to the couple. The reader scarcely needs to be informed that his real intention was to satisfy himself as to the kind of person his wife was walking with. The time allowed him for this research was brief, especially as he had perceived, more rapidly than he sometimes perceived things, that they were looking for a vehicle and that with its assistance they would pass out of his range—a reflection which caused him to give half his attention to the business of hailing any second cab which should come that way. There are parts of London in which you may never see a cab at all, but there are none in which you may see only one; in accordance with which fortunate truth Prince Casamassima was able to wave his stick to good purpose as soon as the two objects of his pursuit had rattled away. Behind them now, in the gloom, he had no fear of being seen. In little more than an instant he had jumped into another hansom, the driver of which accompanied the usual exclamation of 'All right, sir!' with a small, amused grunt, which the Prince thought eminently British, after he had hissed at him, over the hood, expressively, and in a manner by no means indicative of that nationality, the injunction, 'Follow, follow, follow!'
