One of a series of semiannual reports, this publication contains 12 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: "Coarticulatory Organization for Lip-rounding in Turkish and English" (Suzanne E. Boyce); "Long Range Coarticulatory Effects for Tongue Dorsum Contact in VCVCV Sequences" (Daniel Recasens); "A Dynamical Approach to Gestural Patterning in Speech Production" (Elliot L. Saltzman and Kevin G. Munhall); "Articulatory Gestures as Phonological Units" (Catherine P. Browman and Louis Goldstein); "The Perception of Phonetic Gestures" (Carol A. Fowler and Lawrence D. Rosenblum); "Competence and Performance in Child Language" (Stephen Crain and Janet Dean Fodor); "Cues to the Perception of Taiwanese Tones" (Hwei-Bing Lin and Bruno H. Repp); "Physical Interaction and Association by Contiguity in Memory for the Words and Melodies of Songs" (Robert G. Crowder and others); "Orthography and Phonology: The Psychological Reality of Orthographic Depth" (Ram Frost); "Phonology and Reading: Evidence from Profoundly Deaf Readers" (Vicki L. Hanson); "Syntactic Competence and Reading Ability in Children" (Shlomo Bentin and others); and "Effect of Emotional Valence in Infant Expressions upon Perceptual Asymmetries in Adult Viewers" (Catherine T. Best and Heidi Freya Queen). An appendix lists DTIC and ERIC numbers for publications in this series since 1970. (SR)