by which they would be characterized in the following centuries. Outside the walls and on the river, there is a craft facility dedicated to the treatment of hides: the Pozacho Tanneries. The recent installation of the court imposed a ''regalĂa de aposento'' tax on private houses, which produced all kinds of resistance including, most notably, the construction of ''Casas a la malicia''. This and other 16th- and 17th-century views of Madrid (from Frederic de Witt and Pedro