Still, it is desirable not to fall into error upon this Roman unity. Behind the imposing front it shewed from one end to the other of the Mediterranean, the variety of peoples, with their manners, traditions, special religions, was always there, and in Africa more than elsewhere. The population of Carthage was astonishingly mixed. The hybrid character of this country without unity was illustrated by the streaks found in the Carthaginian crowds. All the specimens of African races elbowed one another in the streets, from the nigger, brought from his native Soudan by the slave-merchant, to the Romanized Numidian. The inflow, continually renewed, of traffickers and cosmopolitan adventurers increased this confusion. And so Carthage was a Babel of races, of costumes, of beliefs and ideas. Augustin, who was at heart a mystic, but also a dialectician extremely fond of showy discussions, found in Carthage a lively summary of the religions and philosophies of his day. During these years of study and reflection he captured booty of knowledge and observation which he would know how to make use of in the future. In the Carthage sanctuaries and schools, in the squares and the streets, he could see pass the disciples of all the systems, the props of all the superstitions, the devotees of all the religions. He heard the shrill clamour of disputes, the tumult of fights and riots. When a man was at the end of his arguments, he knocked down his opponent. The authorities had a good deal of trouble to keep order. Augustin, who was an intrepid logician, must have longed to take his share in these rows. But one cannot exactly improvise a faith between to-day and to-morrow. While he awaited the enlightenment of the truth, he studied the Carthaginian Babel. First of all, there was the official religion, the most obvious and perhaps the most brilliant, that of the Divinity of the Emperors, which was still kept up even under the Christian Cæsars. Each year, at the end of October, the elected delegates of the entire province, having at their head the _Sacerdos province_, the provincial priest, arrived at Carthage. Their leader, clad in a robe broidered with palms, gold crown on head, made his solemn entry into the city. It was a perfect invasion, each member dragging in his wake a mob of clients and servants. The Africans, with their taste for pomp and colour, seized the chance to give themselves over to a display of ruinous sumptuosities: rich dresses, expensive horses splendidly caparisoned, processions, sacrifices, public banquets, games at the circus and amphitheatre. These strangers so overcrowded the city that the imperial Government had to forbid them, under severe penalties, to stay longer than five days. A very prudent measure! At these times, collisions were inevitable between pagans and Christians. It was desirable to scatter such crowds as soon as possible, for riots were always smouldering in their midst.