_Huastecas._--A northern colony of the great Maya stock of Yucatan, dwelling in the province of Tampico on the river Panuco. At the time of the discovery they were an important and cultured nation. _Lule._--One of the nations of _El Gran Chaco_, west of the Parana river. The _Arte y Vocabulario de la Lengua Lule y Tonocote_, by Father Antonio Machoni de Cerdeña (Madrid, 1732), was republished with a careful ethnographic introduction by J. M. Larsen, at Buenos Ayres, 1877. _Maipures._--Tribes of various dialects who live on both sides of the Orinoco river where it forms the boundary between Venezuela and New Granada, about 5° N. lat. _Mayas._--Natives of Yucatan, and the most highly developed of any of the American nations. Related dialects are spoken in Guatemala, in Tabasco, and by the Huastecas. _Mbayas._--A people of the _Gran Chaco_ in the northern part of the Argentine Republic, and distantly related to the Abipones. _Mexican._--Otherwise called the Nahuatl or Aztec language. Spoken in the greatest purity in the valley of Mexico, it extended from the Gulf of Mexico to the Pacific, and along the latter from Sonora to Guatemala, with few interruptions. _Mixtecas._--A tribe speaking several dialects living in the State of Oaxaca, Mexico. _Mocobis._--One of the four principal nations who formerly occupied _El Gran Chaco_, west of the Parana river. By some the name is spelled _Mbocoby_. _Omaguas._--Once a nation of considerable extent and culture between the Marañon and the Orinoco. _Othomis._--A tribe resident near San Louis Potosi, Mexico, and neighboring parts. Their proper name is said to be _Hiā-hiū_. Their language is monosyllabic and nasal. _Tamanacas._--These dwell on the right bank of the Upper Orinoco, and are connected by dialect with the Carib stock on the one hand and the Guaranay on the other. _Totonacas._--A nation asserted by Pimentel to speak a mixed language (Nahuatl and Maya) dwelling in the southern portion of the Province of Vera Cruz, Mexico, and parts adjacent. _Tupis._--The natives of the eastern area of Brazil, related to the Guaranis of the south and perhaps to the Caribs of the north. The _Lingoa Geral_ of Brazil is a corrupt Tupi. _Yaruris._--Residents on the upper streams of the Meta river in New Granada, related to the Betoi. FOOTNOTES: [3-*] _Die Elemente der Philosophischen Sprachwissenschaft Wilhelm von Humboldt’s. In systematischer Entwicklung dargestellt und kritisch erläutert_, von Dr. Max Schasler, Berlin, 1847.