Joseph MacCabe, The Growth of Religion, a Study of its Origins & Development, Londres, Watts & Co.,, 1918, p. 37-38

They told Arbousset that they did not pray to their dead ancestors, but that if a man saw a caddis-worm when he went out to hun the would observe it closely and gather from the movements of its haed whether they woul or would not finf food…/…

Certainly some of the Bushmen, who think ‘Kaang malignat, will not speak of him (« Talk of the devil, » etc.), but others speak freely, and in their vague and contradictory statements we have a faithful reflection of their minds. The mantis (prayinginsect) and caddis-worm are both adressed as ‘ Kaang, or representatives of ‘Kaang. The black man has not in his mind these fine distinctions which we make. But Stow tells us two things which we may find instructive. He reminds us, first, how the uncanny appearance of the mantis and caddis-worm would attract the imagination of the black man. And he tells us, secondly, that the purer Bushmen of the hills call ‘Kaang «  the great chief, » and appeal to him to sen drain or food.