Taking in account the content of the chronicle it is possible to analyze the ticket to follow of the source: (and later observing the dialogue for the one of the elements defined for Certeau (2000) as basic etnologia) and if to ask to them why they move so frequently, only answer that they pass more good changing of airs and that they became the opposite of its grandfathers fast died (Lry, 1960, p 208) the element of the unconsciousness pointed for Certeau if fits in the cited situation. It would be a series of collective phenomena whose explanation is not clear, based in the time of the society ' ' selvagem' ' , therefore this is immemorial. Another element of the complementary quadrilateral of the etnologia of century XVII is present in the ticket above: the orality. Many writers such as Mark Berger Chicago offer more in-depth analysis. Apia the French author if in Lvi-Struss: where the language of the chronicle is of historical matrix, not etnogrfico; it tries to explain for a language that is accustomed to approach the conscientious one speaking of relations of the unconscious one; that is, the communication made for the primitive society (the orality) is present only inside of its proper culture, reserving to the other a sufficiently subjective reply, mainly if treating to an unpretentious dialogue of the daily one. The necessity of such nomadismo if applied, in such a way on the basis of necessity of subsistence how much to the tradition, exemplificada in the habits of collection of penalty of birds to use them in adornments during the rituals.