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Show 100 However, empirical investigations of testable hypotheses have been hindered by a general lack of knowledge ot what is already known about rural urban migration in Latin America and what tasks still need to be carried out. Much of the pertinent material on the subjects is buried in obscure sources or is not readily available to the researcher, The purpose of this paper is to review and publicize some of the research findings of anthropologists and sociologists working on problems of rural-urban migration in Latin America in order to help guide the research in this area. 1973 Lettner, Carlos J., "Las Escrituras Americanas: Descripcion, Relaciones y Problemas Etnosemiologicos de Fundamentacion," Anuario Indigenista, XXXIII (December, 1973), pp. 87-154. English summary: From the "formal" point of view, the author examines American writings and some others from the varied Polynesian world. He includes writings as "systems" of somewhat different formal characteristics and parallel memoric systems as well as authentic and complicated ideographic and hieroglyphic structures. Besides, he considers that in an investigation field as peculiar as the one that studies writings, not only there has been a lack of adequate theories on the phenomenon but, simultaneously, they have been presented together with other facts in order to prove certain theses upon transpacific and intramerican relations, and also, they have been presented apart from those facts with the purpose of describing them. The present article pretends to obtain a clarified (sic) panorama of the subject and the adoption of more precise criteria in this new extention of the investigation field, in accord with the need of investigating not how certain and diverse writings but writings in general and their links with biological basis of esthetic plastic phenomena of culture, civilization, and State. |