Wadelai and the Month of the Albert Lake. 109 After I had offered to Sheikli Wadelai some presents of glass beads, copper, iron, and cotton, we became great friends, so that he proposed we should exchange our blood. This friendliness was of great use to me, and having conquered my disgust at the ceremony", I submitted to it, since it was considered as swearing brotherhood. The method of exchanging blood among the tribes of the Upper Nile is as follows. The two friends link their arms, as in the Frcundschaft-Trinken of the northern Germans, and in this position they mutually exchange blood from a small wound in the inner side of the arm. Wadelai then gave me an interpreter, and at two o'clock we resumed our voyage until six.

AVhere we had now arrived the river had the aspect and size of a lake, and was divided into two channels, one directed to the south-west, and the other to the north-west.- The natives told me that the latter channel led very far, which made me believe that it went to Makraka ; but no one could give me precise information.

On the morning of March 16th we set out again at four o'clock, but when it was light I perceived we had mistaken the way ; we had entered a wide tributary, believed by us to be the chief stream, and two hours were needed to regain the right route ; but we were obliged to halt, because of the strong wind from the south south-west.

Here the authority of Wadelai ceased on the left bank, and that of Sheikh Yaco began, who was always in open war with the Luris, who were encamped to the south-west, and had recently surprised Yaco's people, and made a butchery among them, and had afterwards exchanged the prisoners for oxen. Like Wadelai, Yaco is a vassal of Kaba Rega, to whom he delivers all the ivory collected in his State.

The banks of the river are high on all sides, and accessible at few points, because between them and