Stephen HoustonIn his account of the sprawling Aztec market at Tlatelolco, Bernal Díaz del Castillo spoke of its varied merchandise. Among the wonders: gold, precious stones, rope, deer skin, wild animals, honey cake and tripe, pottery, pitch-pine, human excrement for salt and curing of skins, paper, timber, boards, metal axes, gourds, flint knives—Díaz almost grew weary of their description, “porque es para no acabar tan presto de contar por menudo todas las cosas” (Díaz del Castillo 2011:96–99). But there were also male and female slaves, many lashed to long poles across their necks. The slaves were brought and sold in such quantity as to recall, for Díaz, the Portuguese trade of Blacks in “Guinea” (Díaz del Castillo 2011:97–99). Free and enslaved people were so plentiful at Tlatelolco that they could be heard, he said, a league away....Figure 1. Market, Historia de las Indias de Nueva España e islas de la tierra firme (Durán 1579:301v).