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This listing acknowledges the receipt of recent works (except offprints of single articles) that appear to bear on the scientific study of language. The receipt of individual books cannot be separately acknowledged, and no book can be returned to the publisher. Note especially that, by accepting a book, the Editor implies no promise that it will be reviewed in this journal. Reviews are printed as circumstances permit, and copies are sent to the publishers of the works reviewed.
A cross-generational study of speech in Havasupai, a Yuman language of Arizona, reveals a set of variable phonological rules, affecting person-agreement affixes, that have begun to operate in the last hundred years. These rules might seem obligatory for younger speakers; but closer investigation reveals that these speakers have instead re-analysed the paradigm. This re-analysis illustrates the principle that rules which do not allow surface evidence of the underlying form to be preserved cannot exist: obligatory application of such a rule must eliminate both the rule itself and the underlying form. The speech of the youngest children shows continuing change of the paradigm toward an internally-consistent, transparent system of person-agreement that differs radically from the original system.
The child's creative contribution to the language-acquisition process is potentially most apparent in situations where the linguistic input available to the child is degraded, providing the child with ample opportunity to elaborate upon that input. The children described in this paper are deaf, with hearing losses so severe that they cannot naturally acquire spoken language, and their hearing parents have chosen not to expose them to sign language. Despite their lack of usable linguistic input, these children develop gestural communication systems which share many structural properties with early linguistic systems of young children learning from established language models. This paper reviews our findings on the structural properties of the deaf children's gesture systems and evaluates those properties in the context of data gained from other approaches to the question of the young child's language-making capacity.