Contents -- Mainland Southeast Asian languages.State of the art and new directions -- Part 1: Language relatedness in MSEA -- Word-initial prenasalization in Southeast Asia.A historical perspective -- Local drift and areal convergence in the restructuring of Mainland Southeast Asian languages -- Re-assessing tonal diversity and geographical convergence in Mainland Southeast Asia -- Re-examining the genetic position of Jingpho.Putting flesh on the bones of the Jingpho/Luish relationship -- Part 2: Boundaries of the MSEA area -- The far West of Southeast Asia.'Give' and 'get' in the languages of Myanmar -- Morphosyntactic reconstruction in an arealhistorical context.A pre-historical relationship between North East India and Mainland Southeast Asia? -- The Mekong-Mamberamo linguistic area -- The Far Southern Sinitic languages as part of Mainland Southeast Asia -- Part 3: Defining the sesquisyllable -- Approaching a phonological understanding of the sesquisyllable with phonetic evidence from Khmer and Bunong -- Typologizing sesquisyllabicity.The role of structural analysis in the study of linguistic diversity in Mainland Southeast Asia -- Part 4: Explorations in MSEA morphosyntax -- Morphological functions among Mon-Khmer languages.Beyond the basics -- The origins of nominal classification markers in MSEA languages.Convergence, contact and some African parallels -- Expressing motion.The contribution of Southeast Asian languages with reference to East Asian languages -- Subject index -- Author index -- Place index -- Language index.