For the exchange of colors see Bolte u. Polívka 1:124-126. For place-changing and killing of the wrong victim see the same, 499-501. Compare Parsons, Sea Islands, 128.
The incident is common in African story, e. g, Tremearne, 430; Dennett, 47; Torrend, 33; Junod, 163, The setting of the story is often similar to number 23 where a parent calls upon outside aid to get rid of a troublesome child.