This article analyses the historical and demographical circumstances of the population of Hispanic origin in the United States, this population’s use of Spanish, English, and also hybrid linguistic forms, as well as the literary reflection of mixed identities. We assert that, in this unstable situation, the conjunction of Spanish and English, resulting in infinite manifestations, is the channel for the emergence of aspects of identity and of means of expression which are applauded by some and combated by most, but which, irrespective of those reactions, are the unavoidable consequence of this linguistic and cultural contact Se analizan las circunstancias históricas y demográficas que se relacionan con la población de origen hispanohablant...