1917.] 



Chapman, Distribution of Bird-life in Colombia. 



137 



Fig. 15. Distribution of the Cock-of-ihe Rock. A Subtropical Zone species represented in the West Andean 

 Subtropical Fauna by one form {Rupicola peruviana sanguinolenia), Eind in the Central and Eastern Andes by 

 a closely related but distinct species {R. peruviana aurea), the ranges of which are separated by the Temperate 

 Zone of the higher intervening mountains. 



