The region about Camp XCV, was called Kacken. Four tents were said to exist in the immediate neighbourhood; one of these was in sight, and two were situated at Yerke, a place at the opening of the steep valley, coming down from Lamlung-la. The Tibetans of the place, gave the same name to this pass and to
Gurtse-la as we had heard before. The names Dumbok-tso and Pul-tso were also checked, and it may be that the two appellations signify different parts of the depression. One old Tibetan called the whole lake Dumbo pu-tso, which simply is an amalgamation of both names. They confirmed that the lake is salt, but frozen, and asserted that, even in summer, it gets larger than now, which is, however, doubtful. The high peak to the N. E. was called Chaga as before. The nomads of Dumbok-tso pass the winter around the lake, and wander, during the summer, to the Chang, i. e. the northern country in contradistinction from the nomads of Bogtsang-tsangpo who wander north in the winter. The cold as well as the S. W. wind, would con-
k tinue for another six months. In the summer the wind is less regular. To Ngangtse-tso,
they reckoned two days, and to Kemar three. Dangra yum-tso was pointed out as being situated straight west, but when they asserted that the Tsikut-tso, Nain Sing's Chikut-tso, was situated to the N. 2o° E. they were probably mistaken. The real geographical position of this lake, however, remains to be determined. The province of Naktsang was said to stretch another five days to the south, after which follows the province of Labrang or Tashi-lunj5o. The principal place of Naktsang again was said to be Shansa-dsong, south of Kyaring-tso. Regarding the lakes, another informant told us that Tsikut-tso was nine days distant, if travelling with yaks. The lake east of Ngangtse-tso, they called Marja-tso, though Marchar was the name given later on. The Daru-iso of Nain Sing, nobody had heard of, nor anybody else among the nomads we had hitherto asked. When they said a lake Staruk-tso was situated somewhere to the north, I think they meant Tarok-tso, which is, in fact, situated to the west; but certainly the nomads of Dumbok-tso had never had any reason to visit that region, as their wanderings chiefly seem to take place
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