Changsintien is a station on the Peiping-Hankow railway and is situatedabout 20 km S.W.of Peiping.Further S.W.for about 15 km is the townof Tuoli where begins
The occurrences of the Viviparid shells in palaeontic state as well as inrecent form are recorded as abundant from various districts of Yunnan as far asthe old