PCECILONETTA. QUERQUEDULA. 195 



margins to the feathers ; lesser upper wing-coverts greyish brown, 

 the median series and secondaries tipped with pale fawn-colour ; 

 wang speculum bright green bordered with black ; upper and 

 under tail-coverts pale fawn-colour ; tail dull white tinged with 

 fawn-colour ; sides of face, throat, axillaries, and a portion of the 

 under wing-coverts white, remainder of the last dark brown with 

 paler margins, some of wdiich are barred with white. 



Total length 480 mm., culmen 42, wing 207, tail 101, tarsus 37. 



Adult female. iSimilar to the adult male, but smaller and darker. 

 Wing 195 mm. 



The description of the male is taken from a specimen obtained 

 on the Abary River in July 1906. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



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



Extralimital Range . South America generally (except Colombia, 

 Venezuela, and Ecuador), and the Falkland Islands, Bahamas, and 

 Antilles. 



Ilahitx. Schoinburgk states (Reis. Guian. iii. p. 7G3) that he 

 found this small Duck on the sand- and mud-banks at the mouths 

 of the oceanic rivers, but did not observe it breeding. 



Genus aUERQUEDULA Steph. 



Querqueditla Stephens, in Shaw's Gen. Zool. xii. pt. ii. p. 142, 1824. 

 Type Q. querquedula (Linn.). 



Tiiis genus is distinguished from Xettion by the bluish-grey or 

 blue upper wing-coverts. 



123. Querquedula discors. 



Blue-winged Teal. 



Anas (liscors\j\x\\-\.^yi^i. Xat. 12tlied.i.p. 20."),170G(Virginia orCarolina). 

 Querfjnrditlfi discors Salvad. Cat. B. Brit. iNIus. xxvii. p. 291), l<SUo ; 

 Brabounie & Chubb, B. S. Anier. i. p. 5G, no. 52.j, 11)12. 



"Blue-winged Teal," Brown, H'anoe and Cam[» Life,' pji. 137, 

 271, 1876 (Rupununi Savannas, (Jotinga River). 



Female (immature). Upper surface darkl)rown with paler l)r(i\vn 

 edges to the feathers on ilic head, biud-iu'ck, and Mji|)('r Itack, and 



o 2 



