The hills which the Spaniards occupied were high and wooded; the right was formed by Reding’s division, the left by Vives, and the Somatenes hung on the sides of a lofty ridge, which was only separated from the right of the position by the little river Mogent. The main road from Llinas led straight upon the centre, and there was a second road conducting to Mataro, which, branching off from the first, run between the Mogent and the right of Reding’s ground.

When the French commenced their march, the Somatenes galled their left flank, and general Pino, whose division headed the column of attack, instead of falling upon the centre, sent back for fresh instructions, St. Cyr. and meanwhile extended his first brigade in a line to the left. St. Cyr, who had reiterated the order to fight in column, was sorely troubled at Pino’s error, the ill effects of which were instantly felt, because, Reding advancing against the front and flank of the extended brigade, obliged it to commence a fire, which it was impossible to sustain for want of ammunition.

In this difficulty the French general acted with great ability and vigour: Pino’s second brigade was directed to do that which the first should have done. Two companies were sent to menace the left of the Spaniards, and St. Cyr, at the same time, rapidly carried Souham’s division, by the Mataro road, against Reding’s extreme right. The effect was instantaneous and complete, the Spaniards overthrown on their centre and right, and charged by the cavalry, were beaten and dispersed in every direction, leaving all their artillery and ammunition, and two thousand prisoners behind.

Vives, escaping on foot across the mountain, reached Mataro, where he was taken on board an English vessel. Reding fled on horseback by the main road; and the next day, having rallied some of the fugitives at Monmalo, retreated by the route of San Culgat to Molino del Rey. The loss of the French was six hundred men; but the battle, which lasted only one hour, was so complete, that St. Cyr resolved to push on to Barcelona immediately, without seeking to defeat Milans or Lazan, whom he judged too timid to venture an action: moreover, he hoped that Duhesme, who had been informed, on the 7th, of the intended march, and who could hear the sound of the artillery, would intercept and turn back the flying troops.

The French army had scarcely quitted the field of battle when Milans arrived; but, finding how matters stood, retired to Arenas de Mar, and gave notice to Lazan, who retreated to Gerona. St. Cyr’s rear was thus cleared; but Duhesme, heedless of what was passing at Cardadeu, instead of intercepting the beaten army, sent Lecchi to attack Caldagues. The latter general, however, concentrated his division on the evening of the 16th, repulsed Lecchi, and retired behind the Llobregat, but left behind some artillery and the large magazines which Vives had collected for the siege and accumulated in his camp.

St. Cyr reached Barcelona without encountering any of Duhesme’s troops, and, in his Memoirs of this campaign, represents that general as astonishingly negligent, seeking neither to molest the enemy nor to meet the French army; treating everything belonging to the service with indifference, making false returns, and conniving at gross malversation in his generals.

St. Cyr.

St. Cyr, now reflecting upon the facility with which his opponents could be defeated, and the difficulty of pursuing them, resolved to rest a few days at Barcelona, in hopes that the Spaniards, if unmolested, would re-assemble in numbers behind the Llobregat, and enable him to strike an effectual blow, for his design was to disperse their forces so as they should not be able to interrupt the sieges which he meditated; nor was he deceived in his calculations. Reding joined Caldagues, and rallied from twelve to fifteen thousand men behind the Llobregat, and Vives, having relanded at Sitjes, sent orders to Lazan and Milans to march likewise to that river by the district of Vallés. The arrival of the latter was, however, so uncertain that the French general, judging it better to attack Reding at once, united Chabran’s division to his own, on the 20th, and advanced to St. Felieu de Llobregat.

The Spaniards were drawn up on the heights behind the village of San Vincente; their position was lofty and rugged, commanding a free view of the approaches from Barcelona. The Llobregat covered the front, and the left flank was secure from attack, except at the bridge of Molino del Rey, which was entrenched, guarded by a strong detachment, and protected by heavy guns. Reding’s cavalry amounted to one thousand, and he had fifty pieces of artillery, the greatest part of which were in battery at the bridge of Molino del Rey; but his right was accessible, because the river was fordable in several places. The main road to Villa Franca led through this position, and, at the distance of ten or twelve miles in the rear, the pass of Ordal offered another post of great strength.

Vives was at San Vincente on the 19th, but returned to Villa Franca the same day; hence, when the French appeared on the 20th, the camp was thrown into confusion.