AVOCKTTULA. — ANL'HKACOTHORAX. 



409 



The three specimens in the McConnell collection from Mount 

 Roraima, Supenaam River, and Arawai River appear to be 

 Toung males. They are very similar to the adult female in 

 plumage, but differ in having the inner webs of the outer tail- 

 feathers blight coppery red on the under surface. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Mount Roraima, Supenaam. River, 

 Arawai River I^McConnell colleciion) ; Bartica {WJiitely). 



Extralimital Range. Surinam (Penard\ Cayenne (Swainson), 

 North-east Brazil. 



Habits. Unrecorded in British Guiana. 



Genus ANTHRACOTHORAX Boie. 



Anthracothorax Boie, Isis, 1831, p. 545, Type A. viridlgula (Bodd.). 



This genus is characterized by having the culmen feathered at 

 the base, the tomia of the mandible not rolled inwards towards 

 the tip, the nasal covers partially exposed, the bill moderately 

 decurved. and the tail rounded. 



.^.,..:,.,,^S|^ 



Anthracothorax viridigula. 

 Fig. 82.- To show the form of the bill and the rouiidod tail. 



