Viola Miglio received her Ph.D. from the University of Maryland at College Park in 1999. Her research interests include the phonology of Spanish and Romance languages, theoretical phonology, optimality theory, phonetics, and language change. She currently teaches in the Department of Spanish and Portuguese at the University of California, Santa Barbara.

• Chapter 1 Vowel Systems; Chapter 2 Mantuan Vowel Deletion; Chapter 3 Romance Vowel Reduction Phenomena; Chapter 4 Mantuan Chain Shifts; Chapter 5 Diachronic Chain Shiftst – The Great Vowel Shift; Chapter 6 Conclusions;

Viola Miglio received her Ph.D. from the University of Maryland at College Park in 1999. Her research interests include the phonology of Spanish and Romance languages, theoretical phonology, optimality theory, phonetics, and language change. She currently teaches in the Department of Spanish and Portuguese at the University of California, Santa Barbara.

• Chapter 1 Vowel Systems; Chapter 2 Mantuan Vowel Deletion; Chapter 3 Romance Vowel Reduction Phenomena; Chapter 4 Mantuan Chain Shifts; Chapter 5 Diachronic Chain Shiftst – The Great Vowel Shift; Chapter 6 Conclusions;

Viola Miglio received her Ph.D. from the University of Maryland at College Park in 1999. Her research interests include the phonology of Spanish and Romance languages, theoretical phonology, optimality theory, phonetics, and language change. She currently teaches in the Department of Spanish and Portuguese at the University of California, Santa Barbara.

• Chapter 1 Vowel Systems; Chapter 2 Mantuan Vowel Deletion; Chapter 3 Romance Vowel Reduction Phenomena; Chapter 4 Mantuan Chain Shifts; Chapter 5 Diachronic Chain Shiftst – The Great Vowel Shift; Chapter 6 Conclusions;