1911 Encyclopædia Britannica, Volume 7… (1911)
“ The productive powers of the land become exhausted in a few years, when the clearing is abandoned, a new site is chosen, and the same operations are carried on de novo. The Lepchas are also the ordinary out-door labourers on the hills. They have no caste distinctions but speak of themselves as belonging to one of nine septs or clans, who all eat together and intermarry with each other. In the upper or northern tarai, along the base of the hills, the Mechs form the principal ethnical feature. ”
