252 BIRDS OF BRITISH GUIANA. 



tail-feathers black fringed with green, pale, earth-brown at the 

 tips and on the outermost pair of feathers; base of forehead, 

 lores, and a slight tinge on the throat rust-brown ; eye-ring 

 yellowish ; fore part of cheeks, throat, and under tail-coverts 

 lemon-yellow ; middle of abdomen whitish ; edge of wing, axil- 

 laries, and under wing-coverts sulphur-yellow like the inner 

 margins of the quills below ; greater series of under wing-coverts 

 and quills below blackish on the former and brown on the latter ; 

 lower aspect of tail pale brown. 



Total length 121 mm., exposed culmen 13, wing 70, tail 47, 

 tarsus 17. 



The specimen described was collected on the Ituribisi River in 

 1909. 



Adult female. Similar to the adult male. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Ituribisi River, Supenaam River, 

 Bartica (McConnell collection) ; Mount Roraima, Merume Moun- 

 tains, Bartica {Whitely). 



Extralimital Range. Northern Brazil. 



Habits. Unrecorded in British Guiana. 



Genus CEEATOPIPRA Bonap. 



Ceratopipra Bonaparte, Anteneo Italiano, vol. 2, No. 11, p. 316, Aug. 

 1854 (Consp. Volucrum Anisodactylorum, p. 6, 1854). Type 

 G. cornuta (Spix). 



Fig. 102. — To show the divided crest. 



The chief character in this genus is the divided nuchal crest. 

 The bill is short and rather wide at the base, the exposed 

 culmen being only slightly longer than the width. The 

 wing is rounded, the second, third, and fourth primaries longest 



