The 16th Laborde’s position was examined. The road from Caldas to Obidos runs through a valley, formed by the ramifications of the Monte Junto. The high table land upon which Roriça is situated closed this valley to the southward, and Laborde’s division being posted on a small plain immediately in front of that village, completely overlooked the country as far as Obidos. All the favourable points of defence in the valley, and on the nearest hills on each side, were occupied by small detachments. One mile in the rear, a steep ridge extending about three quarters of a mile from east to west, and parallel to the French position, offered a second line of great strength. The main road led by a deep defile over this ridge, which was called the height of Zambugeira, or Columbeira, and beyond it, very lofty mountains rose abruptly, stretching from the sea-coast to the Tagus like a wall, and filling all the space between that river and the ocean down to the rock of Lisbon.

The valley leading from Obidos to Roriça was bounded on the left by a succession of ridges that rose the one above the other like steps, until they were lost in the great mass of the Sierra de Baragueda, itself a shoot from the Monte-junto.

Laborde’s situation was becoming truly embarrassing. Loison was at Alcoentre, and the reserve was at Villa Franca; that is one and two marches distant from Roriça. If he retired upon Torres Vedras, his communication with Loison would be lost. To fall back on Montachique was to expose the line of Torres Vedras and Mafra. To march upon Alcoentre, and unite with Loison, was to open the shortest road to Lisbon (that of Montachique) for the British army; and to remain at Roriça, it was necessary to fight three times his own force.

Animated, however, by the danger, encouraged by the local advantages of his position, and justly confident in his own talents, Laborde resolved to abide his enemy’s assault, in the feeble hope that Loison might arrive during the action.

COMBAT OF RORIÇA.

Sir Arthur Wellesley attacked upon the 17th.

Early in the morning of that day, a dense mass, consisting of thirteen thousand four hundred and eighty infantry, four hundred and seventy cavalry, and eighteen guns, issued from Obidos, and soon afterwards broke into three distinct columns of battle.

The left, commanded by lieutenant-general Ferguson, was composed of his own and major-general Bowe’s brigades of infantry, reinforced by two hundred and fifty riflemen, forty cavalry, and six guns, forming a total of four thousand nine hundred combatants. They marched by the crests of the hills adjoining the Sierra de Baragueda, being destined to turn the right flank of Laborde’s position, and to oppose the efforts of Loison, if that general (who was supposed to be at Rio Mayor) should appear during the action.

The column of the right, under captain Trant, composed of a thousand Portuguese infantry, and fifty horse of the same nation, moved by the village of St. Amias, with the intention of turning the left flank of the French.

The centre column, nine thousand in number, with twelve guns, was commanded by sir Arthur in person, and marched straight against the enemy by the village of Mahmed. It was composed of generals Hill’s, Nightingale’s, Catlin Craufurd’s, and Fane’s brigades of British infantry, four hundred cavalry, two hundred and fifty of which were Portuguese, and four hundred light troops of the same nation.