31. NETTION. 257 



6. Nettion albigiilare. (Plato II. fig. 1.) 



Querquedula aodiimaneusis, Tytler, Ibis, 1867, p. 33:3, u. 89 (descr. 



nulla). 

 Xettioii andamanensis, G. R. Gr. Hand-list, iii. p. 84, n. 10669 



Anas andamanensis, Gieh. Thes. Orn. i. p. 344 (1872). 



Mareca punctata, " Cmi-."?, Ball, J. A. S. B. xli. 2, p. 290, n. 62 



(Andamans) (1872) ; id. Sir. Featk. i. p. 88 (1872). 

 Marec-a albosiilaris. Hump, Str. Feath. i. p. 303 (Andamans) (Febr. 



1873) ; Blanf. Ibis, 1873, p. 22o. 

 ]Mareca gibberifroiis, Wald. (nee S. Miill.) Ihis, 1873, p. 321 ; Hume, 



Nests .i^- Eg(js, p. 644 (.\ndamans) (1873) ; id. Str. Feath. ii. p. 316 



(1874); Wald. in Blt/tk's B. of Bunn. p. 166 (note) (1875); 



Ttveedd. Orn. Works, p. 2.51 (Andamans) (1881). 

 Anas punctata, Bh/fh [nee Cuv.), B. of Bunn. p. 1G6 (note) (1875). 

 Querquedida yribberifrons, Hume (nee 8. Miill.), Str. Feath. viii. p. llS, 



n. 966 ter (1879) ; Hume S^- Marsh. Game B. of Ind. iii. p. 243, 



pi. 32 (1880) ; Hume, Nests S,- Eq(js of Ind. B. [ed. Oates), iii. p. 290 



(1890). 

 ? Anas andamanensis, Sclat. P. Z. S. 1893, p. 614 (Zool. Gard. of 



Cologne). 



Adah male. Upper part of the head brown ; this colour covers also 

 the upper part of the cheeks and gi'adually changes into the white of 

 the lower part of the cheeks and throat ; the brown of the cheeks 

 with obsolete dusky streaks ; round the eyes there is a ring of white 

 feathers, broader below ; in some specimens on the lores or at the 

 base of the bill there are some white feathers ; upper parts brown, 

 the edges of the feathers of the back and scapulars pale brown ; 

 rump uniform ; feathers of the breast and abdomen pale brown in 

 the centre, and broadly margined with brownish fawn-colour, 

 producing a mottled appearance ; under tail-coverts brown, almost 

 uniform ; upper wing-coverts dai'k brown, greater or last row of 

 upper wing-coverts white, forming a band, diminishing in breadth 

 and tinged with brown inwardly ; speculum velvety black, with a 

 longitudinal coppery -green band on the middle, from the seventh 

 to the ninth secondary, and bounded at the tip by a buff band ; the 

 fir.st secondary broadly white on the outer web ; tertials broadly 

 velvety black on the outer web ; primaries brown, with an olive 

 lustre ; under wing-coverts brown, the median ones tipped with 

 ■white ; axillaries white ; tail brown : " legs and feet greenish blue 

 to plumbeous, webs usually darker ; bill plumbeous, nail black ; in 

 some the lower mandible, in one the terminal two-thirds of this, 

 pink ; irides reddish brown to deep reddish brown " (Hume). Total 

 length 17 to 18 inches, wing 7 to 8, tail 4 to 4*2, culmcn 1"4. 

 tarsus 1'3 to 1'4. 



Female. Similar to the male, but smaller, and the lower surface 

 duller and the centerings of the feathers less marked, the green 

 band on the wing-speculum more copper)'. Total length 15'5 to 

 16 inches, wing 7'2o to 7'4, culmen 1-3 to 1-35. 



Young birds are similar to the females, but the dusky markings^ 

 of the under surface are even less distinct. 



VOL. xxvn. s 



