Preliminary versions of the papers from the 1985 Summer Institute of Linguistics presented at the University of North Dakota session include: "Referential Distance and Discourse Structure in Yagua" (Thomas E. Payne); "A Note on Ergativity, S', and S'' in Karitiana" (Daniel Everett); "Some Aspects of Zapotecan Clausal Syntax" (Stephen A. Marlett); "Syllable Structure and Aspect Morphology in Isthmus Zapotec" (Stephen A. Marlett and Velma B. Pickett); "Numi Mixtec Syllable Structure and Morphology" (Laura Gittlen and Stephen A. Marlett); "Fortis/Lenis Consonants in Guichicovi Mixe: A Preliminary Acoustic Study" (J. Albert Bickford); "The Inflectional/Derivational Distinction" (David Tuggy); "The Koh Verbal System" (Suellyn H. Glidden); and "Red Lake Falls, Minnesota: A Sociolinguistic Survey" (James Kapper). (MSE)