and follows the same side of the Kinshakiang via Tashigompa, to the Huhusair Bridge, where it crosses the Lhasa-Lanchow line. Then following a northern branch of the Kinshakiang to its source and crossing the watershed, it proceeds along the caravan road by Hsinszukiang and Olokung to Cherchen, where it ends, covering a distance of about 1,350 miles. This is the longest line of this system.
l. The Chengtu-Menkong Line
This line starts from Chengtu and proceeds southwestward by Shuangliu, Hsintsin, Mingshan, to Yachow. From Yachow, it turns northwestward and proceeds to Tienchuan, then westward to Tatsienlu, Tunyolo, and Litang. After Litang, the line proceeds southwestward through Batang and Yakalo, to Menkong, covering a distance of about 400 miles of very mountainous country.
m. The Chengtu-Yuankiang Line
This line starts from Chengtu on the same track of the Chengtu-Menkong line, proceeds to Yachow and thence by its own track in the same direction via Jungching, to Tsingliu. After Tsingliu, the line proceeds southward through Yuehsi to Ningyuan, where it meets the head of the Ningyuan-Cherchen line. After Ningyuan, it goes to Kwaili, then crosses the Kinshakiang to Yunnanfu where it crosses the Canton-Tali line. From Yunnanfu, it proceeds along the west side of the Kunming Lake to Kunyang, and through Hsin-
