50" 4tf 



SO" 7S' 70" 



60' 5S* Sff «* +5 3? 3tf 



Fig. 19. Semi-diagrammatic representation of the Range of Scytalopus niger, a Temperate Zone species- 

 which ranges from the sea-level in Chile to 10,000 feet in the Colombian Andes, without showing racial 

 variation. Its range is not known to be as continuous as the diagram indicates. 



