Dorrego, meanwhile, was at the head of affairs at Buenos Ayres. Opposed to the "Unitarianism" of Lavalle and Paz, who would have made of their country, not a republic "one and indivisible," but a confederation after the model in the North, Dorrego was chiefly anxious to consolidate his power in the maritime state of Buenos Ayres, leaving the interior provinces to their own devices, and to the tender mercies of Lopez, Quiroga, Bustos, with a dozen other Gaucho chiefs. Rosas, the incarnation of the spirit which was then distracting the entire Confederation, was made Commandant General by Dorrego, who, however, frequently threatened to shoot "the insolent boor," but who, unfortunately for his country, never fulfilled the threat. As for himself, he, indeed, met with that fate at the hands of Lavalle, who landed with an army from the opposite coast of Uruguay, defeated Dorrego and Rosas in a pitched battle at the gates of Buenos Ayres, and entered the city in triumph a few hours later. With the ascendency of Lavalle came the inauguration--and, alas! only the inauguration--of a new system. Paz, one of the few Argentinians who really deserved the name of General that they bore, was sent to Córdova, with eight hundred veterans of his old command. He defeated Bustos, the tyrant of Córdova, took possession of the city, (one of the most important strategic points upon the Pampas,) and restored that confidence and security to which its inhabitants had so long been strangers. This action was at the same time a challenge to Quiroga in his neighboring domain. It was a warning that right was beginning to assert its supremacy over might; nor was the hero of La Rioja slow to understand it. Collecting a band of four thousand Gaucho lancers, he marched upon Córdova with the assurance of an easy victory. The _boleado_ General! The idea of _his_ opposing the Tiger of the Plains! What followed this movement is a matter of general history. The battle of the Tablada has had European, and therefore American, celebrity. It is known to those who think of Chacabuco and Maipú, of Navarro and Monte Caseros, only as of spots upon the map; let it, therefore, suffice to say that Quiroga was beaten decisively, unmistakably, terribly. The serried veterans of Paz, schooled in the Brazilian wars, stood grimly to the death before the fiery onslaught of Quiroga; in vain did his horsemen shatter themselves against the Unitarian General's scanty squares; the tactics of civilized warfare proved for the first time successful on these plains against wild ferocity and a larger force; Quiroga was driven back at length with fearful slaughter, with the loss of arms, ammunition, reputation, and of seventeen hundred men. He returned to La Rioja, with the disorganized remnant of his band, marking his path with blood and the infliction of atrocious chastisements. Even in adversity he is terrible and is obeyed.