These bones were also sometimes used for oracular and divinatory functions. The 16 geomantic figures are the primary symbols used in divinatory geomancy. They would also be cherished for their divinatory, prophetic and healing powers. His name means "smoking mirror", a reference to a device used for divinatory scrying. It is often associated with the paranormal, alongside astrology and similar divinatory arts. There are also mythological tales of divinatory gray horses who prophesy or warn of danger. The Zuni people also use the plant for ceremonial, magical, and divinatory purposes. These were divinatory inscriptions on oracle bones, primarily ox scapulae and turtle shells. Santa is semi-literate, but proficient in the divinatory art of voodoo. The Lo Shu is part of the legacy of ancient Chinese mathematical and divinatory (cf. There is evidence to suggest that they also had magical or divinatory uses. There are also white horses which are divinatory, who prophesy or warn of danger. Animal behavior was also studied for divinatory purposes. The 260-day calendar was called Tonalpohualli and was used primarily for divinatory purposes. Animal behavior too was studied for divinatory purposes.