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Show 98 STEPPES AND DESERTS. 5° et 8°, noctu-0° .4 consistere vidi; Huancavelica, propter cinnabaris venas celebrata, ubi altitudine 1835 hexap. fere totum per annum tcmperies mensis Martii Parisiis." (Humboldt de distrib. geogr. Plant., p. 10-!.) ( 14) p. 29.-11 The Andes and the eastern mountains send fm·th detached spurs, which advance towaTds each other." The vast region situated between the eastern coast of South America and the eastern declivity of the Andes, is narrowed by two mountain passes, which partially divide from each other the three valleys or plains of the Lower Orinoco, of the Amazons, and of the River Plate. The most northern mountains, called the group of the Parime, are opposite to the Andes of Cnndinamarca, which project far to the east, and assume, in the 66th and 68th degrees of longitude, the form of high mountains, connected by the narrow ridge of Pacaraima with the granite hills of French Guiana. On the map of Columbia constructed by me from my own astronomical observations, this connection is clearly marked. The Caribs, who penetrated from the missions of the Caroni to the plains of the Rio Branco, and as far as the Brazilian boundary, crossed in the journey the ridges of Pacaraima and Quimiropaca. The second mountain mass, which divides the valley of the Amazons from the River Plate, is the Brazilian group. In the province of Chiquitos (west of the Parecis range of hills), it approaches the promontory of Santa Cruz de la Sierra. As neither the group of the Pari me, which ca-qses the great cataracts of the Orinoco, nor the Brazilian group of mountains, are absolutely connected with the Andes, the plains of Venezuela have a direct connection with those of Patagonia. (See my geognostical view of South America, in Relat. Hist. t. iii. pp. 188-244.) (1.') p. 30.-11 Troops of Dogs." European dogs have become wild in the grassy plains or Pampas of Bueno~ Ayres. They live in society, and in hollows in which they hide their young. If the society becomes too numerous, some families detach themselves and form new colonies. The European dog, which has become wild, barks as loud as the original American hairy race. Garcilasso relates that, before the arrival of the Spaniards, |