1917.] 



Chapman, Distribution of Bird-life in Colombia. 



107 



where stated, the precipitation at San Jos^, east of Buenaventura, on the 

 Colombian coast, reached 400.88 inches in the year 1912, an amount doubt- 

 less not equalled in any other part of the Western Hemisphere. 



There is no marked dry season in those portions of this region with which 

 we are familiar and, as might be expected, it is everywhere covered with 

 luxuriant tropical forests. 



Fig. 3. Known Range of Sapoyoa oenigma. 

 Fauna of the Tropical Zone. 



Characteristic Species of the Colombian-Pacific 



The arid pockets, like the upper Dagua basin, which lie between the 

 coastal forests and those of the Subtropical Zone, have nothing in common 

 with the Colombian Pacific Fauna, their life evidently having been derived 

 from the dryer country lying to the east of the Western Andes. 



Some 150 species and subspecies are now known from Colombia which 

 are largely or wholly restricted to the Colombian-Pacific Fauna. Others, 



