6. Toward a study of language variation and change in Jonaz Chichimeco
Jonaz Chichimec is an endangered Otopamean language spoken in Misión de Chichimecas adjacent to the city of San Luis de la Paz in Guanajuato, Mexico. Four ongoing phonological changes are described with respect to the age of the speakers. The restructuring of the system of classifiers used for possession is also examined.