444 BIRDS OF BRITISH GUIANA. 



A specimen collected at Bartica differs from the male described 

 in having pule edges to the feathers both above and below. 



"i Immature female. Crown of head, sides of face, sides of neck, 

 hind-neck, back, and upper tail-coverts pale rust-brown ; upper 

 wing-cos'erts and flight-quills hair-brown, margined with rust- 

 brown ; tail uniform hair-brown ; throat and abdomen whitish ; 

 breast tawny with dark shaft-streaks to the feathers ; sides of 

 body and under tail-corerts pale fawn-colour; axillaries and 

 under wing-coverts white ; under surface of flight-quills pale 

 brown like the lower aspect of the tail. Wing 47 mm. 



The specimen described above was collected on the Abary 

 Hiver in August 1909. 



Breeding -season. Unknown in British Guiana. 



Nest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Upper Takutu Mountains, Ituribisi 

 River, Supenaam River, Bartica, Bonasika River, Abary River, 

 Georgetown (McConnell collection) ; Mount Roraima, Kamarang 

 River, Bartica ( M7a7^/j/) . 



E.Ttralimital Range. Surinam (Penard), Trinidad, Tobago, 

 Venezuela, Colombia, Ecuador. 



Jfahits. Unrecorded in British Guiana. 



Genus PITYLUS Cuv. 



Pifylus Cuviev, Regne Animal, 2nd ed. i. p. 413, 1829. Tyipe P. g^'ossut 

 (Linne). 



Fig. 1G7. — Pitylus grossus. 



The species on which this genus was founded is easily distin- 

 guished by its large bill, which is bright red in colour; there is an 

 indication of a tooth on the outer edges of the upper mandible 



