The feast of Corpus Christi, celebrated annually on Thursday after Trinity Sunday, was devoted to the Eucharist, and the normal practice was to have solemn processions through the city with the Host, the consecrated wafer that was believed to have been transformed into the true body and blood of Jesus. In this way the -cultus Dei- thus celebrated allowed the people to venerate the Eucharistic bread in order that they might be stimulated to devotion and brought symbolically, even mystically into a relationship with the central moments of salvation history. Perhaps it is logical, therefore,...