The profession of the hackney coachman has always been and still is subjected to a special legislation. In Paris anyone exercising it must be at least eighteen years of age; carry upon him the official documents in virtue of which he wields his whip; present to his fare the card which indicates the number and tariff of the vehicle, and which the passenger must retain in view of possible disputes; show politeness to the public; receive his fare in advance when he is driving to theatres, halls, or fêtes where there is likely to be a crush of vehicles; never carry more than his legal number of passengers, and not smoke on duty. When travelling he must take the right side of the road, avoid intercepting funeral processions and bodies of troops, go at walking pace through the markets and in certain other specified places; and, from nightfall, light up his vehicle with a couple of lamps. The lamps used for the cabs of the Imperial Company are blue, yellow, red, or green. These different colours are intended to induce passengers leaving the theatre at night to take, by preference, those vehicles which belong to the quarter in which they live; blue indicating the regions of Popincourt and Belleville; yellow those of Poissonière-Montmartre; red those of the Champs Élysées, Passy, and Batignolles; and green those of the Invalides and the Observatory. Besides the penalties pronounced by the penal code for causing death or personal injury through careless driving, minor infractions of the regulations are punished, by the prefect of police, with suspension of licence or, in certain cases, final withdrawal. The proprietors and masters are responsible for any offences committed by the coachmen, and for any loss or injury to luggage or other goods confided to their vehicles for transport. The law which prescribes to Paris cabmen one uniform fare for journeys of no matter what length within a certain radius would at first appear to be very much to the advantage of the public, who are thus protected from extortion. It has a great drawback, all the same. In London a cabman is always delighted to see a gentleman step into his vehicle, even though the welcome he evinces be rather that of the spider to the fly. He unhesitatingly drives him to his destination, and the gentleman, even though he is fleeced at the end of the journey, at least gets where he wished to go. But the Paris cabman is fastidious. If the destination mentioned by the intending passenger does not exactly suit him, he is prone to shake his head, ply his whip, and drive away with an empty vehicle.