This series consists of correspondence between EA Colson and Norman Barnett Tindale (see AA 338) during the period 1931-32, a detailed manuscript account by Colson of the 'Inmiga' myth of the 'Unterkerina tribe' of north-western South Australia, a hand-drawn map by Colson of the Finke River-Alberga River area and some typescript and manuscript notes byTindale relating to the 'Inmiga' myth.