Ko te whakarōpūtanga o Carl Linnaeus i te tau 1735, he kaihanga i te taake taakaha, i wehe te momo tangata a Homo sapiens ki roto i nga momo whenua o te europaeus, asiaticus, americanus, me etahi atu, e hono ana ki etahi momo katakata: he tino pono, he melancholic, he choleric me te phlegmatic.