EXPLANATION OF PLATE XXI. 



Figs. 1 and 2. Painted spear heads hung in proximity to an object to 

 render it " tabu." The colours used are red and white. Mapoon. 



,, .'>. A charm to render an object " tabu." By the Koko-minni 

 Blacks of the Middle Palmer River it is called Uirni (see PI. xx., 

 fig. .'}). The colours used are red and white. The implement was 

 obtained at the Palmer Native Police Camp. 



