On the third day we had completed the journey across the broad strip of desert which lies at the foot of the mountains, and we were now at the entrance into the mountain region. Quite abruptly, almost perpendicularly, the mountains rise from out the flat desert country, and attain a height of some 3600 meters. The route now became more difficult. Over loose stones, through dry beds of rivers and brooks, we climbed slowly upward. At last we were again surrounded by trees and bushes, and the vegetation became quite luxuriant. On many of the highest peaks of the mountains Arab castles were to be seen. The Arabs of this region seem to delight in placing their dwellings on as great and inaccessible a height as possible. At every point where a steep cliff or a narrow defile makes the upward way a difficult one, some Arab had built him a castle, frequently large and imposing in appearance, a veritable little fortress in itself. It was almost as though we had suddenly been transported back into the Middle Ages. The people were very friendly, and we met with a pleasant greeting everywhere. Our periods of rest were usually spent in the caravansaries provided for the Turkish troops. For some days our road lay through a picturesque mountain region, and then brought us directly in front of a lofty mountain ridge that seemed to block our way completely, so that we did not know which way to turn. It was a steep, well nigh perpendicular wall of rock. A serpentine path, most difficult to climb, brought us to the summit of the ridge, after hours of exertion. It was a road by no means free from danger. On the one side of us the wall of rock rose straight up; on the other side it dropped straight down. A road, in the ordinary sense of the word, it really was not. It was no more than a bridle path worn into the rock by many long years of travel, often blocked by a great boulder, and made dangerous with many rolling stones. The pack animals showed a wonderful ability and power of endurance. Often we came to places so dangerous that I gave orders to dismount, and lead the animals. As a whole, however, the men had come to be quite good riders by this time. We bought eggs and milk on the way whenever we had an opportunity to do so. We carried our cooking utensils with us on one of the animals. An officer, the cook, and another man always preceded the caravan, as a small number of men can travel faster than a larger company. In this way our meals were always ready for us when we arrived at the appointed place. This was a distinct advantage for the men, for the journey was a very fatiguing one, and every hour of sleep was of importance. [Illustration: VIEW OF HODEIDA] [Illustration: CROSSING THE DESERT]