Final answer:
The excerpts provided do not contain any information on how the proprietor first described the Cegua, as they focus on different subjects such as a huaso, quipus, and daily life scenes.
Step-by-step explanation:
The question asks for a description of how the proprietor first depicted the Cegua. However, based on the provided excerpts, there appears to be no reference to the Cegua. The given texts describe various scenes and characters, including a huaso (cowboy), accounts management with quipus, scenes of desert hares, burros (donkeys), and daily life scenarios involving different workers and characters. These descriptions provide insights into different historical and cultural elements but do not mention the Cegua.