Papers in this volume include the following: "The Structural Sources of Verb Meaning" (Lila R. Gleitman); "Acquisition of Noun Incorporation in Inuktitut" (Shanley Allen, Martha Crago); "Why Do Children Omit Subjects?" (Paul Bloom); "Acquiring Language in a Creole Setting: Theoretical and Methodological Issues" (Lawrence D. Carrington); "Children's Knowledge of Relative Scope in Chinese" (Yu-Chin Chien, Kenneth Wexler); "Problems in the Acquisition of Grammatical Tone" (Katherine Demuth); "Acquisition of Genitive Agents in Samoan" (Alessandro Duranti, Elinor Ochs); "Acquisition of Null Subjects and Control in Some Sinhala Adverbial Clauses" (James Gair, Barbara Lust, Lelwalla Sumangala, Milan Rodrigo); "A Sensitive Period for the Acquisition of Complex Morphology: Evidence from American Sign Language" (Dennis Galvan); "Language Acquisition of the Obligatory Contour Principle in English: Evidence from Child Language" (Heather Goad); "WH-Questions and Extractions from Temporal Adverbs: A Case for Movement" (Helen Goodluck, Julie Sedivy, Michele Foley); "The Sonority Cycle in the Acquisition of Phonology" (Gita Martohardjono); "An Acoustic Analysis of Young Children's Productions of Word Stress" (Karen E. Pollock, Diane M. Brammer, Carlin F. Hageman); "How Conservative Are Children? Evidence from Auxiliary Errors" (Karin Stromswold); and "Children's Production of Subjects: Competence, Performance, and the Null Subject Parameter" (Virginia Valian). (MSE)