grew with the extension of the merchants' sphere of operations. They acted in fact as the pioneers of Mexican political influence, they penetrated fearlessly into hostile countries either openly and armed, or disguised, and for this purpose learned the speech of foreign nations. They acted as spies of the king, and in one case a body of Pochteca of Tlaltelolco were besieged in a town in Anauac Ayotlan, or the district around Tehuantepec, and, after four years, succeeded unaided in reducing the province to submission. For this deed they received special privileges and insignia from the king Auitzotl, including the right to wear lip-plugs of gold, while their captains bore military titles. At the time of the Spanish conquest these merchants made extended journeys far into Chiapas and Tabasco, and penetrated even to Guatemala. The gradual extension of their sphere of operations can be seen in the wares which they imported from time to time, and as this has a bearing upon Mexican history it is worth mention. In the reign of Quaquapitzauac, first king of Tlaltelolco, the imports were brilliant feathers from the low countries; under his successor, quetzal-feathers, turquoise, chalchiuitl and cotton textiles were added; in the next reign, lipplugs of precious stones, gold, skins, and a greater variety of feathers were introduced; and under Moguiuix, the last king, cacao became an article of merchandise. This information is from Sahagun, who, in a later passage, states that precious stones were collected especially in southern Vera Cruz and Tabasco, and quetzal-plumes from the region around the present San Cristobal in Chiapas.
The Pochteca were careful to set out on their expeditions on a favourable day, such as 1. coatl, and before starting they made offerings to their god and the Earth; they also cut their hair and washed their heads, since custom forbade them to do either while on a journey. Their relations were also obliged to remain with head
