Henry Faulds, Nine Years in Nipon, Sketches of Japanses Life and Manners, Londres, Alexandre Gardner, 1885, p.280I once pointed out to the Asiatic Society of Japana curious example of this. Some larvae, like those of the caddis worm, make little cases of large sand grains, which resemble the human form as rendered by Buddhist sculptors. Those  are collected, maed after certain divinities, and workshipped. A pre-existing belief has been attached to them ; they did not give origin to it.