es from San Luis Potos to Guerrero, to 26 percent in Oaxaca, to 32 and 39 percent, respectively, in Quintana Roo and Chiapas, and to 44 percent in Yucatn. Only 63 percent of users of indigenous languages in Chiapas also knew Spanish.Specialists have identified twelve distinct Mexican linguistic families, more than forty subgroups, and more than ninety individual languages. Nearly 23 percent of all native speakers speak Nhuatl, the language of the Aztec people and the only indigenous language found in fifteen states. Other major indigenous languages includeMaya (spoken by approximately 14 percent of all Indians and primarily used in the southeast from the Yucatan Peninsula to Chiapas); Zapotec (spoken by approximately 7 percent of all Indians and largely used in the eastern part of Oaxaca); Mixtec (also spoken by approximately 7 percent of all Indians and primarily found in Oaxaca and Guerrero); Otom (spoken by approximately 5 percent of all Indians and used in central Mexico, especially the states of Mxico, Hidalgo, and Quertaro); Tzeltal (spoken by nearly 5 percent of all Indians and used in Chiapas); and Tzotzil (spoken by roughly 4 percent of the Indian population and also used in Chiapas). With twelve different Indian languages, Oaxaca has the nation's most diverse linguistic pattern.Census data reveal that Indians remain the most marginalized sector of Mexican society. More than 40 percent of the Indian population fifteen years of age and older was illiterate in 1990, roughly three times the national rate. Thirty percent of Indian children between six and fourteen years of age did not attend school. Indians also had significantly higher morbidity and mortality rates associated with infectious and parasitic illness, higher levels of nutritional deficiencies and less access to such basic services as indoor plumbing, piped water, and electricity.Linguistic Equivalence and DeterminismThere are some Mexican Spanish words with no direct ...