lODOrLEURA. 305 



545. lodopleura fusca. 



Dusky Chatteeer. 



Ampelis fusca Vieill. N. Diet. d'Hist. Nat. viii. p. 162, 1817 (Guiana). 

 lodopleura pipra (nee Less.) Cab. in Schomb. Keis. Guian. iii. p. 697, 



1818 (near Demerara). 

 lodopleura fusca Salvin, Cat. Striekl. Coll. p. 330, 1882 (Guiana) ; id. 



Ibis, 1885, p. 305 (Eartiea Grove) ; Sclater, Cat. B. Brit. Mus. xiv. 



p. 393, 18S8 (Demerara) ; Brabom-ne & Chubb, B. S. Amer. i. 



p. 324, no. 3307, 1912. 



Adult female. General colour above black, including the top of 

 the head, sides of the face, entire back, wings, and tail ; inner 

 margins of flight-quills white -, rump white ; upper tail-coverts 

 and tail black ; sides of face and sides of breast blackish ; throat, 

 breast, and sides of body dark smoke-brown ; middle of abdomen, 

 under tail-coverts, a patch on the sides of the body, axillaries, 

 under wing-coverts, and inner edges of quills below white; outer 

 edge of wing black ; flight-quills dark brown on the under surface 

 like the lower aspect of the tail. 



Total length 107 mm., exposed culmen 5, wing 75, tail 36, 

 tarsus 13. 



The specimen described was collected on the Makauria River in 

 August 1910. 



Adult male. Differs from the adult female in having the patch 

 on the sides of the lower breast violet, instead of white, and in 

 being slightly larger. Wing 80 mm. 



Tlie male described was collected in " Demerara '' and is now in 

 the British Museum — Gould collection. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in British Guiana. 



Eygs. Undescribed from British Guiana. 



Range in British Guiana. Makauria River, Demerara River 

 [McConnell collection) ; Bartica ( Wldtely). 



ExtraliuuLal llange. Surinam (I'enard)^ Cayenne (fyriti'sh 

 Museum). 



Habits. According to Schomburgk (Rcis. Guian. iii. p. 007) 

 this bird is suj)posed to lie migratory near Georgetown. [( a|)pear.s 

 at tbc same time as the Ampelis species, feeds on the same fruits, 

 and disappears with them. Its nidiiication was unknown to liim. 



VOL. II. X 



