Koelle lumped his specimens in the same area .
It seems that Cust ( 1883 ) was the first to link them together and place them in a group co-ordinate with Bantu but not within it .
Although Koelle lumped his specimens in the same area , it seems that Cust ( 1883 ) was the first to link them together and place them in a group co-ordinate with Bantu but not within it .