328 BIRDS OF BRITISH 'GUIANA. 



tail-coverts, and upper wing-coverts ; the bases of the feathers 

 on the back being white are sometimes exposed, which gives a 

 spotted or streaked appefirance ; bastard-wing, primary-coverts, 

 and flight-quills dark brovyn, the seeondiiries steel-blue on the 

 outer webs ; tail dark brown with a white subapical mark on the 

 inner webs of the lateral feathers; sides of face and sides of neck 

 steel-blue; chin and throat pale chestnut; breast and abdomen 

 white washed with fawn-colour ; under tail-coverts, axillaries, and 

 under wing-coverts pale fawn-colour ; under surface of flight- 

 quills and tail-feathers blackish brown, marked with white on the 

 inner webs of the latter near the tips. 



Total length 149 mm., exposed culmen 9, wing 111 ; tail — 

 middle feathers 40, outer feathers 68 ; tarsus 12. 



Adult male. Similar to the adult female in colour and measure- 

 ments. 



Breeding- season. Unknown in British Guiana. 



Nest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Abary River [McConnell collection); 

 Mount Roraima and Bartica ( Wliitely) ; Aremu River and Abary 

 Savannas (Beehe). 



Extralimital Range, South America generally in winter. 

 Central and North America to North Europe and Asia south to 

 Burma. 



Habits. According to Quelch (Timehri (2) x. p. 262) this 

 species is a winter migrant to British Guiana. 



