Title	Author	page
Research Articles
Phrase Final Tones of Question Utterances Appearing in Japanese Natural Conversations	Hiroaki HATANO and Toshinori Carlos ISHI	1
Feature Articles: Excavating Phonetic/Phonological Fossils in Language: Current Trends in Evolutionary Linguistics
Prolegomena: Why Now is the Time to do Phonetics/Phonology in Evolutionary Linguistics	Shin-ichi TANAKA	12
PART I: From the Viewpoint of Animal Vocal Communication
Search for Primate Origins of Phonological Uniqueness in Human Languages	Hiroki KODA	16
A Long and Winding Road to Human Speech	Kazuo OKANOYA	21
What Budgerigars Tell Us about Vocal Communication	Yoshimasa SEKI	31
Evolutional View of Preverbal Vocalizations in Human Infants	Miki TAKAHASI	38
PART II: From the Viewpoint of Human Phonetics/Phonology
Sounds of Infant-Directed Vocabulary:Learned from Infants’ Speech or Part of Linguistic Knowledge?	Reiko MAZUKA, Akiko HAYASHI and Tadahisa KONDO	45
Extending the Application of Merge to Elements in Phonological Representations	Kuniya NASUKAWA	59
Linguistic Knowledge by Descent:An Evolutionary Approach to Stress Typology	Bridget D. SAMUELS, Pedro T. MARTINS and Cedric BOECKX	71
Representing Phonological Evolution	Geoffrey SCHWARTZ	79
The Shape and Function of Phonology in Evolutionary Linguistics: Why We can Explore Language Origins from Extant Languages, and How	Shin-ichi TANAKA	88
Feature Articles: International Transmission of the Best Papers Published in the Journal of the Phonetic Society of Japan
Accent Reduction and Restrictive Modification in Tokyo Japanese	Shiro KORI	105
On the Input Information of the C/D Model for Vowel Devoicing in Japanese	Michinao F. MATSUI	127

Title	Author	page
Research Articles
Acoustic Manifestation of Russian Word-final Devoicing in Utterance-medial Position	Mayuki MATSUI, Yosuke IGARASHI and Shigeto KAWAHARA	1
The Role of Vowel Quality in the Perception of English Lexical Stress by Native Speakers of English and Japanese	Sayoko EGUCHI	18
Research Notes
Perceiving Vowels in Singing Voice: The Effects of Listeners’ Singing Experience and Fundamental Frequencies	Nozomi ENDO, Shigeto KAWAHARA and Yasuyo MINAGAWA	25
Squibs
Sound Symbolic Patterns in the Spell Names of Dragon Quest: Teaching Phonetics with Sound Symbolism	Shigeto KAWAHARA	38
Using Sound Symbolism in Introductory Classes: Sound Symbolism in Monster Names in Ultraman Series	Shigeto KAWAHARA and Tomoko MONOU	43
Feature Articles: Phonetic and Phonological Variation and Change in Modern Korean
Preface	Akira UTSUGI	50
Overlapping of Back Vowels /o/ and /u/ by Young Seoul Korean Speakers: Focusing on the Effect of Preceding Consonantal Type and Utterance Unit on Overlap in Formant Distribution	Takako IGETA, Sadao HIROYA and Takayuki ARAI	53
Acoustic Features Differentiating Three Korean Stops in Intervocalic Position	Hi-Gyung BYUN	61
A Sociophonetic Study of the Ternary Laryngeal Contrast in Yanbian Korean	Chiyuki ITO	80
Ongoing Tonal Change in Seoul Korean: From Tonogenesis and Lexical Diffusion Perspectives	Akira UTSUGI	106
Synchronic Variations in the Morphophonological Phenomena of Modern Korean	Yuki TSUJINO	116

Title	Author	page
Research Articles
Japanese Language Learners’ Recognition Order of Emphasis and Paralanguage Speech Acts	Masako FUKUOKA	1
Tone and Syllable Weight: The Tonotactic Asymmetry in Jinghpaw	Keita KURABE	15
Feature Articles: Progress in the Study of Filled Pauses
Preface	Kikuo MAEKAWA	22
Factors Affecting Clause-Initial Filler Probability in an English Monologue Corpus	Michiko WATANABE and Yusaku KOREMATSU	24
A Comparison of Form and Temporal Characteristics of Filled Pauses in L1 Japanese and L2 English	Ralph L. ROSE	33
Chinese Demonstratives and Their Spoken Forms in a Conversational Corpus	Shu-Chuan TSENG	41
Comparison of Voice Quality between the Vowels in Filled Pauses and Ordinary Lexical Items	Kikuo MAEKAWA and Hiroki MORI	53
Application of Time-frequency Representations of Aperiodicity and Instantaneous Frequency for Detailed Analysis of Filled Pauses	Hideki KAWAHARA	63
Tribute
A Tribute to the Memory of the Late Professor Kazue AKINAGA		74