“ The central table-land forms part of the watershed between the eastern and western drainage systems, some of the streams in the north and south-east emptying into the Gulf of Mexico, while the Atoyac, which has its source in Tlaxcala, crosses the state and discharges into the Pacific through the Mescala. Puebla has a temperate, healthful climate, one of the best in Mexico. The soil is generally fertile and the rainfall abundant. Agriculture is the principal industry. ”