 The "Hanshu" recorded that the "'Hujie" retreated to the Lake Baikal area and the Great Khingan slopes (next to the Dingling).According to Zuev, the "Hujie" emigrated further westward, initially to the Aral Sea area, and may have joined the Yuezhi in their migration to Sogdia and Bactria.In the 2nd century CE, Ptolemy (VI, 12, 4) wrote of the Lower Syr-Darya that near a northern section of the Amu Darya were the Iatioi and "Tokharoi" (Tukharas, i.e.