One of a series of semiannual reports, this publication contains 14 articles which report the status and progress of studies on the nature of speech, instrumentation for its investigation, and practical applications. The titles of the articles and their authors are as follows: "Gestural Structure and Phonological Patterns" (Catherine P. Browman and Louis Goldstein); "The Cricothyroid Muscle in Voicing Control" (Anders Lofqvist and others); "Growth of Surface Waves with Application to the Mucosal Wave of the Vocal Folds" (R. S. McGowan); "Effects of Preceding Context on Discrimination of Voice Onset Times" (Bruno H. Repp and Hwei-Bing Lin); "Can Speech Perception be Influenced by Simultaneous Presentation of Print?" (Ram Frost and others); "Detectability of Words and Nonwords in Two Kinds of Noise" (Bruno H. Repp and Ram Frost); "Discovering Phonetic Coherence in Acoustic Patterns" (Catherine T. Best and others); "Reception of Language in Broca's Aphasia" (Donald Shankweiler and others); "Syntactic Comprehension in Young Poor Readers" (Suzanne T. Smith and others); "Phonological Deficiencies: Effective Predictors of Future Reading Problems" (Virginia A. Mann and Patricia Ditunno); "Consideration of the Principles of the International Phonetic Alphabet" (Arthur S. Abramson); "Language Specificity in Lexical Organization: Evidence from Deaf Signers' Lexical Organization of ASL and English" (Vicki L. Hanson and Laurie B. Feldman); "Anomalous Bimanual Coordination among Dyslexic Boys" (Marshall Gladstone and others); "Expressive Microstructure in Music: A Preliminary Perceptual Assessment of Four Composers' Pulses'" (Bruno H. Repp). An appendix lists DTIC and ERIC numbers for publications in this series since 1970. (SR)