44 



BIRDS OF BRITISH GUIANA. 



Nest. Unrecorded in British Guiana. 



Eggs. TJndescribed from British Guiana. 



Range in British Guiana. Ituribisi B.iver, Supenaam River, 

 Great Falls Demerara River, Arawai River {McConnell collection); 

 Bartica, Kamakusa, Quonga River (Whiteli/). 



Extralimital Range. Surinam (Bartlett, Penard). 



Habits. Unrecorded in British Guiana. 



Genus CERCOMACRA Scl. 



Cercomacra Solater, P. Z. S. 1858, p. 244. Type C. cwrulescens Sclater 

 (nee Vieill.) = C hrasiliana Hellmayr, Nov. Zool. xii. p. 289, 1905. 



Fig. 22. — Cercomacra hrasiliana. 



The present genus is distinguished chiefly by the large and 

 graduated tail, which exceeds the length of the wing by nearly 

 one-fourth. It possesses numerous stiffened black bristles on the 

 fore part of the head. The bill is hooked at the tip and propor- 

 tionally long, the exposed portion of the culmen being about 



