A constellation, comprised of stars from several other constellations. Tudong is invoked at sacrifice for a sufferer from urine retention, and also before the transplantation of rice seedlings. The guardian spirit is also invoked to protect against evil spirits known as "spitters," whose saliva cause disease.
- Coleman, J. A. (1997). The Dictionary of Mythology. London: Arcturus Publishing Limited.
- Vanoverbergh, Morice. (1972). "Kankanay Religion (Northern Luzon, Philippines)." Anthropos 67 (1-2):72-128, p. 91.