48 NATURAL HISTORY. 



The greatest rivers of Europe arc, the Wolga, 

 whose course from Reschow to Astracan on the Caspian 

 Sea, is about ()50 leagues ; the Danube, which runs 

 about 450 leagues, from the mountains of Switzerland 

 to the Black Sea ; the Don, from the source of the 

 Sosna, which receives it, to the Black Sea, runs 400 

 leagues ; the Nieper, which also falls into the Black 

 Sea, after running 350 leagues ; the Duine, which 

 empties itself in the White Sea, runs a course of 

 about 300 leagues. 



The greatest rivers of Asia are, the Hoanho, which 

 rises at Raja Rilron, and which, after running 850 

 leagues, falls into the middle of the gulf of Changi, 

 in the Chinese Sea ^ the Jenisca, which runs from 

 Lake Leling to the northern sea of Tartary, a course 

 of about 800 leagues ; the Oby, from Lake Kila to 

 the North Sea beyond Waigat's Straits, runs about 

 ()00 leagues ; the Amour, in East Tartary, has a 

 course of 575 leagues, from the head of the river 

 Kerlon, which falls into it, to the sea of Kamtschatka. 

 The river Menan may be measured from the source 

 of the Longmu, which falls into it, to its mouth at 

 Poulo-condor ; the Kian, which runs about 550 

 leagues, from the source of the Kinxa, which it re- 

 ceives till it discharges itself in the sea of China ; the 

 Ganges, which has a course nearly of the same extent 

 with the Kian; the Euphrates, computing from the 

 source of the Irma, which it receives; runs about 500 

 leagues ; the Indus, which runs about 400 leagues, 

 and falls into the Arabian Sea. on the east of Guzarat ; 

 and the Sirderoias, which runs about 400 leagues, and 

 falls into Lake Aral. 



The greatest rivers cf Africa are, the Senegal, the 

 course of which, comprehending the Niger, which i 



