THE EIO PAEANA BASIN. 



207 



inner slope lias even a northerly dip, and in this direction flow several of the 

 large rivers in S. Paulo, such as the Tieté and the Mogy Guassu. But their 

 course is everywhere intercepted by the heights of the central watershed and 

 deflected south and south-west to the Parana. 



In the volume of its waters the Rio de la Plata hydrographie system belongs 

 far more to Brazil than to the republics of Argentina and Paraguay. Although 



Fig. 87. — Paeaisagua Bay. 

 Scale 1 : 230,000. 





^j^ <8^'\£^.r.;--''"'"''' '"'''" — di£-. 



West oF Greenwich 



Oto 16 



leet. 



Depths. 



16 to 32 

 Feet. 



32 Feet 

 und upwards. 



6 Miles. 



it is not disposed in the direction of the main fluvial axis, the Brazilian Parana 

 receives the most numerous and the most copious affluents from the watershed 

 near the Atlantic, and has a much longer course than the Paraguay branch. In 

 this respect the Parana occupies a position in the Plate system analogous to that 

 of the Missouri in the Mississippi basin. 



Of the numerous headwaters of the Parana the most important are the 

 Corumba, the San Marcos or the Paranahyba, but it would he difficult to say which 

 of these has the best claim to be regarded as the main branch. The Parana- 



