For about 3 miles after leaving Meshra El Abiad, the channel on the right bank presents no difficulty, though the stream is strong, and the banks steep and covered with sunt bushes, which at high Nile will impede towing. About 5 miles from Meshra El Abiad the banks become rocky, and rapids are met with; the water being very bad, and rocks numerous. I crossed this rapid, which is about a mile in length, and extends to just below the village of Shebabik, in half a gale. Otherwise, I should think the passage would be difficult, as the rocks on the right bank are very steep, and without a strong wind portage would probably be necessary. From Shebabik village, by following a channel on the right bank past the village of Abu Haraz, good water is met with for about 6 miles, till the cataract of Halfaya is reached. From Halfaya to the village of Amari, a distance of about 2 miles, the river is very difficult, tortuous, and rocky, towing being necessary throughout. From Amari, I am informed, the river is not difficult. It must be understood that these remarks refer to the river as I found it. Any rise or fall may make difficult places easy, and _vice versâ_. I would venture to make the following suggestions for future river convoys:— 1. That only boats of 150 ardebs should be sent up at present. Large boats are unwieldy, cause great delay, break ropes, and run the risk of losing stores. For example, one of my boats of 300 ardebs took 4 hours to get up a place which boats of 150 ardebs crossed in an hour. It broke two ropes, and was nearly wrecked on several occasions, besides being always a source of delay to the rest of the convoy. The exertion caused to the men in hauling these heavy boats is very great, much greater than that of hauling two boats of half the capacity. 2. Each convoy should consist of not more than 20 boats under a British officer, and should have with it two companies (200 men) of an Egyptian battalion to haul the boats over the cataracts, and in the ordinary stream when the wind is unfavourable. If the water proves easy beyond this place, Amari, these men might return to Merowe from here by return convoy. Men who are good swimmers should be selected, if possible, and, as the work entails great exertion on the men—most of them having to stand work in the water all day—the companies should be relieved after one or two trips. Unless considered necessary for safety, these men should not bring arms or ammunition with them, except just sufficient for a small guard, as these have to be portaged across bad places, causing delay. The large cooking pot, “kazan,” is not suitable for these occasions, as men are often separated on islands from the rest of the convoy at night time, and are unable to get their proper food after a hard day’s work. Something of the Flanders kettle type would be better.