Vdra-ba society in western Sichuan, China, has been represented by evolutionist Chinese scholars as a primitive matrilineal that was transition to patrilineal system, and it likened of the Na/Moso. This is misleading characterization. no tribal organizations critically shaped overarching Tú-s? system for many centuries. The kinship centered on “house,” better described undifferentiated. gá-yì (...