Contents -- 1 Introduction -- 2 The Comparative Method as Heuristic -- 3 On Sound Change and Challenges to Regularity -- 4 Footnotes to a History of Cantonese: Accounting for the Phonological Irregularlties -- 5 Early Germanic Umlaut and Variable Rules -- 6 The Neogrammarian Hypothesis and Pandemic Irregularity -- 7 Regularity of Change in What? -- 8 Contact-Induced Change and the Comparative Method: Cases from Papua New Guinea -- 9 Reconstruction in Morphology -- 10 Natural Tendencies of Semantic Change and the Search for Cognates -- Subject Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W -- Z -- Language Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W -- X -- Y -- Name Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- R -- S -- T -- U -- V -- W -- Y -- Z.