TAPAJOS, or as pronounced according to Eng lish orthography, Tapahos, great river of South America, interlocking sources about Lat. 12° 30' S. with those of the Guapare branch of Madeira, and with the extreme northern sources of Paraguay river. Assuming thence a course of N. N. E. up wards of nine hundred miles, falls into the Amazon, at Santerem, S. lat. 2° 20'.
The valley of the Tapajos lies between those of the Madeira and Xingu, and in an imperfectly ex plored region.
TAR, or as named in the lower part of its course, Pamlico, river of the United States, in North Car olina, has its most remote north-western source in Parson county, interlocking sources with those of Hycootee branch of Dan river, and with those of Neuse river. Flowing thence south-eastward over Granville, Franklin, Nash and Edgecombe counties, it receives a large northern branch, Fishing creek, from Warren and Halifax counties. At its recep
tion of the water of Fishing creek, Tar river has flown by comparative courses about ninety miles, and thence with an extensive sweep to the south ward, the original general course is maintained forty miles to the head of Pamlico bay, at Washington, in Beaufort county.
The Tar river valley, including that of Pamlico bay, is about one hundred and sixty miles in length, with a mean width of thirty miles, and lying be tween those of Neuse and Roanoke. Extending in Lat. from 15' to 25' N. and in Long. from 25' E. to 2° 15' W. of the meridian of Washington city. It is navigable for vessels of nine feet draught to Washington, and for river boats to Tarborough, at or near the confluence of the two main branches.