McClellandescribed this flight to the James as a change of base, but his resolve to abandon the attitude of an invader was formed when General Lee in the middle of June had caused Stuart's cavalry to reconnoitre the flanks and rear of McClellan's army, and had summoned corps from the Shenandoah Valley.
To the north-west (where Fort Ligonier was built), Colonel Bouquet, commanding the division at the latter place, despatched Major James Grant (1720-1806) at the head of about 850 men to reconnoitre the fort.
Authorized by Musa, Tariq now sent, in Ramadan 91 (July 710), 500 Berbers under the command of Tarif to reconnoitre the, country.
Under Turkish protection, he visited the territory of the Hashid and Bakil tribes north-east of Sana, and though their hostile attitude compelled him to return after reaching their first important town, Khamr, he had time to reconnoitre the plateau lying between the two great wadis Kharid and Hirran, formerly covered with Himyaritic towns and villages; and to trace the course of these wadis to their junction at El Ish in the Dhu Husen country, and thence onward to the Jauf.
Corps, set his two divisions in motion towards La Folie and the Bois de la Cusse, and advanced to reconnoitre the French position.
When he had left for the front, the emperor proceeded with Grouchy to reconnoitre the Prussian position at Gilly; and handing over the command of the right wing to the marshal, whom he ordered to capture Gilly, Napoleon returned to Charleroi, to hasten the passage of the French army across the Sambre and mass it in the gap between the allies.