Articles in this issue focus on language evolution, variation, and heterogeneity. The following are English translations of the French article titles appearing in the issue: "Irregular Phonetic Development Due to Frequency; Regional Traits in Proto-Romance"; "Linguistic Evolution and Evolution of Perspective in the Comparative Grammar of Indo-European Languages: The Case of the "Endingless Locative"; "Evolutionary Phonetics and Analogic Reconstructions (The Case of Greek)"; Genetic Kinship and Phonetic Correspondences: About Proto-Global"; "Causes and Rhythms of Language Change in the Latin Occident (3rd-8th Centuries)"; "Prototypical Conceptions and Articulation of Diachronic Change"; On Some Types of Heterogeneousness of the Grammatical Structures in French"; "Language Contact and the Poetic Function of Linguistic Change"; "Metadiscursive Particles and Other Language Modes: Cases of Linguistic Change"; "Metonymies in the Press: Between Discourse and Language"; "The Use of Denominal Adjectives--Sign of an Anomaly?"; "Two Patterns of Dialect Accommodation of Valais German Speakers in Berne" (written in English); "Linguistic Change in the City: The Example of Bale"; "'Gheada': A Phenomenon of Phonetic, Geolinguistic, and Sociocultural Variation in Galician"; "A Statistical Method for the Control of Vocalic Changes Affected by Speaking Style. Applications to Spanish"; "Syntactic Maturation in the Young Child (9-36 Months): Continuity or Rupture?"; "Genesis and Grammatical Changes: Some Modest Lessons Drawn from the Emergence of Creoles and the Acquisition of Foreign Languages"; "Synchronic and Diachronic Variation in the Syntax of French Negation in Adults in a Guided Environment"; "Variation and Heterogeneity of the French Narrative Productions of Young Tunisian Students"; "Linguistic Change and Language Contact in Brussels and Strasbourg;""What Linguistic Changes in the Attrition of the L1 in Late Bilinguals?"; "Homogeneity and Heterogeneity in the Latin Language According to Varron and Aulu-Gelle: Historic, Social, and Functional Aspects"; "French Unilingualism versus Sociolinguistic Change"; "Images of Variation in French: Dominant and Harmonic, Changes"; and "Tensions, Contaminations, and Progressive Appropriation of Other Languages in the Linguistic and Sociocultural Universe of Daniel Pennac." (Individual articles contain references.) (JR)