PHLEGOPSIS. — FOEMICARITJS. 73 



Total length 159 mm., exposed culmen 17, wing 93, tail 58, 

 tarsus 31. 



This species is not represented in the McConnell collection, and 

 the description is taken from Gould's type, which is now in the 

 British Museum. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in Bntif:h Guiana. Demerara (^GouUl). 



E.rtnilimital Range. Surinam {Penard), North-west Brazil, 

 Ecuador. 



Habits. Unrecordttd in British Guiana. 



Genus FOKMICAEIUS Bodd. 



Formicarms Boddaert, Tabl. PI. Enl. p. 43, 1783. Type F. colma 

 Bodd. 



Fig. 35. — Formicarius colma. 



This genus is distinguished by the olive-brown upper surface 

 and glossy feathers on the fore part of the head. The bill is 

 rather narrow and hooked at the tip. The wing is rounded, 

 the third, fourth, and fifth primaries longest and equal, the 

 second about equal to the sixth. The tail, which is rather 

 short and rounded, is a little more than half the length of the 

 wing. The tarsus is seutelluted and about a third longer than the 

 exposed culmen. Coloration : male and female similar. 



Key to the Species. 



A. Crown of head chestnut in contrast to the 



back ; under tail-coverts like the abdomen... F. colma, p. 74. 



B. Crown of head chocolate-brown similar to the 



back; under tail-coverts chestnut in contrast 



to the abdomen F. crissalis, p. 75. 



