Critical edition of the survey of Messina, Sicily, Italy, after the 1783 earthquake and the reconstruction plans designed by Gianfrancesco Arena, and of Andrea Gallo's proposals for seismic design (1784). The general maps and elevations are followed by detailed studies, records, and reconstruction guidelines for the 15 districts into which the city was divided; reviewed by N. Arico, E. Bellantoni, G. Molonia, G. Salemi.