This report, covering the period of January 1 to June 30, 1976, is one of a regular series on the status and progress of studies on the nature of speech, instrumentation for its investigation, and practical applications. The manuscripts and extended reports contained in this report include "Exploring the Relations between Reading and Speech,""On Interpreting the Error Pattern in Beginning Reading,""Comments on the Session: Perception and Production of Speech II; Conference on Origins and Evolution of Language and Speech,""Consonant Environment Specifies Vowel Identity,""What Information Enables a Listener to Map a Talker's Vowel Space?""Identification of Dichotic Fusions,""Discrimination of Dichotic Fusions,""Coperception: Two Further Preliminary Studies,""'Posner's Paradigm' and Categorical Perception: A Negative Study,""Weak Syllables in a Primitive Reading-Machine Algorithm.""Control of Fundamental Frequency, Intensity, and Register of Phonation,""The Effect of Delayed Auditory Feedback on Phonation: An Electromyographic Study,""Some Aspects of Coarticulation,""The Function of Strap Muscles in Speech," and "Laryngeal Muscle Activity in Stuttering." (RB)