There Malcolm Skene's knowledge of Arabic was frequently in requisition. As yet the leaders of this advanced column were utterly without any trustworthy intelligence as to the movements of the Mahdi's army, for bands of prowling robbers and the Bedouins of the Sheikh Moussa infested every route in front and rear, keeping carefully out of sight by day-time, but swooping down on the camping grounds by night in the hope of finding abandoned spoil—perhaps sick or wounded men to torture and slay.

Sir Herbert Stewart arrived on the 16th of January within a few miles of the now famous wells of Abu Klea, after a waterless march of forty-three miles from those of El Faar, and already even the poor camels had become so reduced in physique that as many as thirty dropped down to die in one day; but the troops reached a line of black sandstone ridges lying westward of Abu Klea, and a squadron of Hussars, whose horses were suffering most severely from want of water, cantered forward to inspect the country, and Malcolm Skene rode with them.

At mid-day they found the enemy in a valley, where long and reedy grass was waving in the hot breeze—a place studded by several camel-thorns and acacias. The Arab centre occupied a long and gentle slope, like the glacis of an earthwork.

Led by a Sheikh, about 200 mounted men advanced resolutely and in tolerable order, opening fire with their Remingtons on the Hussars.

In their leader, Malcolm, through his field-glass, recognised the Sheikh Moussa Abu Hagil, who alone of all his band wore a suit of that mail armour of the Middle Ages, which is thus described by Colonel Colborne, who says 'it was in the Soudan' he first saw it, to his amazement: 'Whether original or a copy of it, it was undoubtedly the dress of the Crusaders. The hauberk was fastened round the body by the belt, and formed a complete covering from head to foot. The long and double-edged sword was worn between the leg and saddle.'

Moussa wore a flat-topped helmet with a plume, and tippet of Darfour mail; his horse's head was cased in steel, and covered by a quilt thick enough to turn a spear; but, save their bodies, which were clad in Mahdi shirts, his followers were naked—with their dark, bronze-like legs and arms bare.

Under their fire the reconnoitring force of Hussars fell back, an operation viewed by Sir Herbert Stewart and his staff from the summit of a lofty hill composed entirely of black and shining rock, from whence he could see the whole country for miles, and from where he ordered a general advance.

By difficult defiles, and in serious distress owing to the want of water, the troops advanced in steady and splendid order, the line being led by the Brigade Major, David, Earl of Airlie, of the 10th Hussars—one of a grand old historic race—round whose Castle of Cortachy a spectre drummer is said to beat when fate is nigh—and he had brought the whole into the valley by half-past two o'clock; then Sir Herbert, having ascertained from Skene's report that the wells of Abu Klea were too far in rear of the Arab position to be accessible that night, resolved to fortify the ground he occupied, a ridge rising gently from the Wady, but broken before it reached the hills, while close in rear of it was a grassy hollow, wherein the baggage animals were picketed.

Hasty parapets of stones, gathered from the ground whereon the troops lay, were constructed along the front of the position, flanked by abattis of thorny mimosa, while the great hill of black rock referred to was occupied by a party of signallers, who built thereon a redoubt; while a mile in its rear, on the brow of a precipice, another fortlet was formed as a rallying point in case of a reverse.

With his staff and a few Hussars Sir Herbert now rode to the front, and saw, as the ruddy sun began to set and cast long shadows over the swelling uplands of the scenery, the enemy in their thousands taking possession of a lofty hill sixteen hundred paces distant on his right—a position from whence they could completely enfilade his lines. Thus ere darkness fell they secured the range, and from that time no one could reckon on twenty minutes' sound sleep.