Ancient Egyptian deities purposes. Egyptian texts often refer to deities' true, underlying forms as "mysterious". The Egyptians' visual representations of their gods are therefore not literal. They symbolize specific aspects of each deity's character, functioning much like the ideograms in hieroglyphic writing. For this reason, the funerary god Anubis is commonly shown in Egyptian art as a dog or jackal, a creature whose scavenging habits threaten the preservation of buried mummies, in an effort to counter this threat and employ it for protection. His black coloring alludes to the color of mummified flesh and to the fertile black soil that Egyptians saw as
Ancient Egyptian deities iconography, and even temple architecture. Meanwhile, the cults of several Egyptian deities—particularly Isis, Osiris, Anubis, the form of Horus named Harpocrates, and the fused Greco-Egyptian god Serapis—were adopted into Roman religion and spread across the Roman Empire. Roman emperors, like Ptolemaic kings before them, invoked Isis and Serapis to endorse their authority, inside and outside Egypt. In the empire's complex mix of religious traditions, Thoth was transmuted into the legendary esoteric teacher Hermes Trismegistus, and Isis, who was venerated from Britain to Mesopotamia, became the focus of a Greek-style mystery cult. Isis and Hermes Trismegistus were both prominent in the