The author collects and analyzes the enormous epigraphic and archaeological evidence for the cult of Silvanus, the Roman god of agriculture and forests. Silvanus is an important focus of investigation because his private and popular character sets him apart from other deities of the state pantheon. The Cult of Silvanus traces the origin, spread, development and final suppression of the cult. Silvanus' nature as a Roman god and his identification with indigenous deities in the provinces are carefully examined. The evidence for temples, priests, collegia and sacred groves is...