Springs, Rivers, and the Sea. 131 



or 84480 yards ; therefore 84480 x SOOzz 

 25,344,000 cubic yards, which make 203,- 

 000,000 tons which the river Thames 

 yields per diem. 



The proportional lengths of course of 

 some of the most noted rivers in the world 

 are shewn nearly by the following num- 

 bers, extracted from Mr. RennelPs paper 

 71st vol. Phil. Trans. 



European Rivers. 



Thames 1 



Rhine 5~ 



Danube 7 



Wolga 9| 



Asiatic Rivers. 



Indus 5^ 



Euphrates . . 8-| 



Ganges 9-| 



Burrampooter 9-| 



Nou Kian, or Ava River . . 9-| 



Jennisea 1O 



1 Oby 10! 



Amoor 11 



Lena 11-J 



Hoanho (of China) .... 13A 

 Kian Keu (of ditto) . . , 15| 





