_Amusgos_, in Guerrero.
_Chatinos_, in Oaxaca, department of Jamiltepec.
_Chuchonas_, on borders of Oaxaca and Guerrero.
_Cuicatecos_, in Oaxaca, department of Teotilan.
_Mazatecos_, in Oaxaca, near boundary of Puebla, in ancient province
of Mazatlan.
_Mixtecos_, in Oaxaca and Guerrero.
_Papabucos_, in Oaxaca.
_Soltecos_, in Oaxaca.
_Zapotecos_, in Oaxaca.