Historical and Areal Linguistics

Proto-Carib phonology

Victor Girard

Advisor: Wallace L. Chafe


Weera Ostapirat

Advisor: James Matisoff

A Bayesian Phylogenetic Classification of Tupí-Guaraní

Lev Michael
Natalia Chousou-Polydouri
Keith Bartolomei
Erin Donnelly
Vivian Wauters
Sérgio Meira
Zachary O'Hagan

This paper presents an internal classification of Tupí-Guaraní based on lexical data from 30 Tupí-Guaraní languages and 2 non-Tupí-Guaraní Tupian languages, Awetí and Mawé. A Bayesian phylogenetic analysis using a generalized binary cognate gain and loss model was carried out on a character table based on the binary coding of cognate sets, which were formed with attention to semantic shift. The classification shows greater internal structure than previous ones, but is congruent with them in several ways.

A test of coding procedures for lexical data with Tupí-Guaraní and Chapacuran languages

Natalia Chousou-Polydouri
Joshua Birchall
Sérgio Meira
Zachary O’Hagan
Lev Michael

Recent phylogenetic studies in historical linguistics have focused on lexical data. However, the way that such data are coded into characters for phylogenetic analysis has been approached in different ways, without investigating how coding methods may affect the results. In this paper, we compare three different coding methods for lexical data (multistate meaning-based characters, binary root-meaning characters, and binary cognate characters) in a Bayesian framework, using data from the Tupí-Guaraní and Chapacuran language families as case studies. We show that, contrary to prior...