332 



AMAZONIA AND LA PLATA. 



Uruo-uay will be transformed to an affluent of the Parana. Meanwhile it main- 

 tains a semi-independent existence, and in former geological times it was an 

 entirely distinct watercourse. 



Besides the Uruguay the Republic has no running waters except a few small 

 coast streams, and those rivers which discharge into the Lagoa Mirim and the S. 

 Gonçalo, and which consequently belong to the basin of the Brazilian Rio Grande. 



Fig. 139.— La Plata Estuakt. 

 Scale 1 : 3,500,000.' 



to 

 Feet. 



Depths. 



6<^o 16 



Feet. 



10 to 32 

 Feet. 



32 to 64 



Feet. 



64 to .eo 

 Feet. 



80 Feet 

 and upwards 



GO Miles. 



All these rivers — Cebollati, Tacuari, and Yaguaron (Jaguarao) — have their lower 

 course fringed by marshes into which they overflow during the wet season. 



Climate. 



Being almost surrounded by water, Uruguay enjoys a marine climate, at least 

 compared with that of the pampas regions. Nevertheless there is still a great 



