This volume presents the proceedings of the thirteenth West Coast Conference on Formal Linguistics at the University of California, San Diego. Two features have been added to this volume. The papers are grouped by subfields into the areas of phonology/morphology, syntax, and semantics, and two indexes (an author index and a subject index) have been added to increase the usefulness of the volume. This volume presents the proceedings of the thirteenth West Coast Conference on Formal Linguistics at the University of California, San Diego. Two features have been added to this volume. The papers are grouped by subfields into the areas of phonology/morphology, syntax, and semantics, and two indexes (an author index and a subject index) have been added to increase the usefulness of the volume.