RAMPHOTianON. 153 



rounded, the second, third, fourth, and fifth primaries longest and 

 suhequal, the first ahout equal to the seventh. The tail is square 

 at the tip and nearly equal to the wing- in length. The tarsus 

 only slightly exceeds the length of the middle toe and claw, and 

 the hind toe and claw are ahout equal in length to that of the 

 exposed culmen. Coloration : male and female similar. 



449. Rampliotrigon ruficauda. 



RuFOUS-TATi.ED FlAT-BILL. 



Phfp'Jn/nc Jilts rvjicauda Spix, Av. Bras. ii. p. 9, pi. xi. fig. 1, 1825 (in 



sylvis tl. Amazonum). 

 Elaenea spadicea Cab. in Schorab. Reis. Guian. iii. p. 702, 1848. 

 Ehyncliocyclus riijiccnula Salviu, Ibis, 1885, p. 29G (Bartica Grove, 



Camacusa, Merume Mts.) ; Sclater, Cat. B. Brit. Mus. xiv. p. 172, 



1888 (Cariinang River). 

 jRampliotriqon rvjicauda Brabourne & Chubb, B. S. Amer. i. p. 272, 



no. 2771, 1912. 



Adult male. Head, sides of face, sides of neck, hind-neck, back, 

 scapulars, and lesser upper wing-coverts dark olive-green ; 

 bastard-wing and primarj^-coverts dark brown ; median and 

 greater upper wing-coverts, primary and secondary quills brown 

 l)roadly margined with rufous, more_ narrowly on the quills, 

 which are edged with cinnamon on tho inner webs; upper tail- 

 coverts and tail pale rufous with black shafts to the tail-feathers ; 

 lores whitish at the base of the feathers ; eyelid pale yellow ; 

 throat, sides of body, and abdomen dusky olive-green intermixed 

 with yellow which is more pronounced on the abdonien ; under 

 t:iil-coverts and under wing-coverts cinnamon; axillaries straw- 

 yellow ; under surface of quills brown with pale rul'ous edges ; 

 lower aspect of tail pale rufous including the shafts. " Bill 

 ])Iumheons, base of lower mandible whitish ; feet pale brown " 

 (Cat. B. Brit. Mus.). 



Total length ir>2 mm., exjjosed culmen 14, wing 77, tail GO, 

 tarsus It). 



The male desciilxjd was collected on tho Abary River in 

 September I'JOtJ. 



Adult female. Similar to tho adult male but rather snu\ller. 

 Wing 73 mm. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in British CJuiana. 



Eytjs. Undoscribed from British Guiuuu. 



