Barter.

A considerable trade or exchange of goods is carried on between the various tribes. I have seen boomerangs, waddies, and other implements in the hands of natives on the coast, made of the wood of the sweet-scented myall localities, where this tree does not grow; and again, I have seen the grass-tree spear in the hands of natives of the interior. These are always much prized.

Other articles of barter are grass-tree gum, kurrajong, and ribbon bark and other things.