When late eighteenth-century New Spanish viceregal administrators installed public lamps in the streets of central Mexico City, they illuminated the bodies of Indigenous, Afro-descended, and plebeian Spanish urbanites. The urban patrolmen, known as guarda faroleros, or "lantern guards," maintained the streetlamps and attempted to clear the streets of plebeian sexuality, embodiment, and sociability, all while enforcing late colonial racial policies...