In superstitious belief at Bayeux, Normandy, an animal whose form is scarcely defined, of dazzling whiteness, which is only seen at night time, and disappears the moment any one attempts to touch it. The letiches are believed to be the souls of infants who died without having been baptized.
- Omens and Superstitions: Curious facts and illustrative sketches. (1868). Edinburgh: William P. Nimmo, p. 57.
- Lurker, Manfred. (2004). Routledge Dictionary of Gods and Demons. London: Routledge.