As may well be supposed, the object that most fully and constantly engaged our attention during our stay in Marocco was the view of the Great Atlas range, for which the terraced roof of our house afforded every needful facility. The interest attaching to an almost unknown chain of great mountains was enhanced by the hope of penetrating its recesses. We were often tantalised by finding clouds hanging about the flanks, or clinging to the higher peaks, as happened during the latter days of our stay, but there was always enough to be seen to reward our attention. We were able to identify the mountain, Miltsin, which Washington took to be the highest peak in the Atlas chain visible from Marocco; but we had already, during the last day’s journey before entering the city, satisfied ourselves that there is no summit visible from the plain of Marocco that can claim any marked predominance over its neighbours. Travelling, as we were, nearly parallel to the main chain, we were far more favourably placed than Washington, who approached the city from the NNW., and always viewed the chain from nearly the same direction. The crest is undoubtedly more sinuous than it appears as laid down on the map, or when seen from a distance; some of the projecting summits are therefore nearer to the eye than others; but it appeared to us then, and our subsequent experience only strengthened that belief, that most of the peaks or prominences in the higher portion of the chain seen from the plain of Marocco, in a distance of fifty or sixty miles, attain to very nearly the same height. Washington speaks of a base-line of seventeen miles which served him for his trigonometrical observations, but it is obvious from his narrative that this cannot have been measured so as to admit of much accuracy in his results. As a matter of fact, it appears from his map and accompanying section, and from the narrative of his excursion to Tagherain, that Washington considerably underrated the distance from the city to the crest of the Great Atlas. His Miltsin is doubtless a summit near the head of the Ourika valley, which apparently stands some short way north of the axis of the chain. According to the scale of his map Miltsin is twenty-seven and a half geographical miles distant from the house which he occupied, whereas it is impossible to estimate the true distance at less than thirty-three geographical miles. If we allow for the height of Marocco above the sea level, and increase the estimated height of Miltsin in the ratio of its true distance to that assumed by Washington, we get for the height of the peak 13,352 feet (4,069·6 m.) above the sea, which is perhaps somewhat above the true measurement.