378 Wonders of the Bird World 



III. THE SUB-ANDEAN SUB-REGION. 



Extends from the frontiers of Bolivia northward in a 

 strip of country between the Amazonian Sub-Region, east- 

 wards along the western bank of the Orinoco, including 

 Trinidad, and Venezuela, as well as Ecuador, as far as 

 Truxillo on the Pacific Coast. 



V^. THE AMAZONIAN SUB-REGION. 



As its name implies, this Sub-Region embraces the whole 

 system of the Amazons to Bolivia, and extends northwards 

 so as to include Guiana and the country lying to the east 

 of the Orinoco. 



V. THE BRAZILIAN SUB-REGION. 



This marches on the north with the Amazonian Sub- 

 Region from Bolivia, and includes the whole of Brazil from 

 about 5° S. Lat., as well as the whole of Argentina as far 

 south as the Rio Negro of Patagonia. 



VI. THE PATAGONIAN SUB-REGION. 



To this Sub-Region belongs the whole of the Andean 

 chain, with its outlying spurs in Colombia, and all the rest 

 of South America, west of Mendoza and south of Bahia 

 Blanca, down to Tierra del Fuego and the Falkland Islands. 

 The great Condor {Sarcorhamphus gtyphns) is a typical bird 

 of this Sub-Region, 



The above is but a slight sketch of the zoo-geographical 

 regions of the earth, and the scope of the present work, as 

 3. precis o{ my lectures, does not allow of the publication 

 of the necessary statistics which prove that there are ample 

 facts to account for the definition of the various zoological 

 areas of which I have been writing. 



