Included in the phonology are three contrastive lexical tones, a prepause syllable (as part of intonation), nine oral vowels, four nasal vowels, and many consonant clusters which differ in accordance with their distribution in reference to their place in the word: prestress, stressed syllable, and poststress. (SCC)

Spanish spoken in Mexico City is influenced considerably more by indigenous dialects than by archaic or present usage of peninsular Spanish. Six areas in particular fall under this influence: (1) the phoneme "s", treated as a palative and fricative sound, (2) voiced "s", which is dental alveolar and affricate, (3) "t"…

Describes features of articulatory shortcuts discovered among middle class, educated native speakers of Spanish in Mexico, Guatemala, and El Salvador. It is maintained that these features should be taught to students of Spanish in order that they may understand colloquial Spanish speech. (AM)