428 



BIRDS OF BRITISH GUIANA. 



^-fe^-^ 





Discos u ra longica u Ja . 

 Fig. 91. — To show the short straight bill and the spatulated t;ul- feat hers. 



vent and thighs white ; under tail-coverts dusky with pale edges ; 

 under wing-coverts green ; flight-quills brown. 



Total length 105 mm., culmen 15, wing 4:8, outer tail-feathers 51, 

 middle tail-feathers 29. 



The male described was collected on the Abarj River in 

 September 1907. 



Adult female. Differs from the adult male in the absence of the 

 extended tail-feathers and the bright green throat, which is dusky 

 with a line of white on either side. 



Total length 104 mm., culmen 14, wing 48, outer tail-feathers 

 51, middle tail-feathers 29. 



Immature male. Differs from the adult female in liaving |)alc 

 cinnamon on the sides of the throat and middle of the abdomen, 

 the outer tail-feathers also tipped with cinnamon ; a line on lower 

 })ack is of the same colour. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in British (ruiana. 



Eggs. Undescribed from British Cluiana. 



Range in Britisli (juiana. Ituribisi River, Bai-tica. Al)ary River. 

 Kamuni River, Treng River (McConnell cull ect ion) ; Kamai'ang 

 River {Whiti'lu). 



