272 
BIRDS OF BRITISH BUEMAH. 
Order X. ANSERES. 
Family ANATID^. 
Subfamily ANSEEIN^. 
Genus NETTAPUS, Brandt. 
635. NETTAPUS COEOMANDELIANUS. 
THE COTTON TEAL GOOSE. 
Anas coromandeliana, Gm. Syst. Nat. i. p, 522. Nettapus coromandelianus, 
Jerd. B. Ind. ii. p. 786 ; Anders. Ibis, 1874, p. 222 : Bl. B. Burm. p. 165 ; David 
et Oust. Ois. Chine, p. 501 ; Hume ^ Dav. S. F. vi. p. 486 ; Oates, S. F. vii. p. 52 ; 
Cripps, S. F. vii. p. 311; Hume, 8. F. vii. p. 491; id. S. F. viii. p. 114; 
Legge, Birds Ceylon, p. 1066 ; Bingham, S. F. ix. p. 198 ; Hume 8f Marsh. Garne 
Birds, iii. p. 101, pi. ; Oates, S. F. x. p. 245 ; Kelham, Ibis, 1882, p. 198. Net- 
tapus coromandelicus (i.), Hume, Nests and Eggs, p. 638. Nettapus 
coromandus (L.), Hume, S. F. iii. p. 192. 
Description. — Male in summer. Forehead^ crown and nape hair-brown, 
the former darkest ; remainder of the head,, the^ whole neck and lower 
plumage pure white ; a broad collar round the neck black in front, glossy 
green behind; the white of the breast produced round the neck and 
forming another collar below the black one; under tail-coverts dark brown 
mottled with white ; back, scapulars, rump, tertiaries and wing-coverts deep 
glossy green or purple; secondaries glossy green, broadly tipped with 
white ; primaries dark brown on the basal halves, then white with the tips 
black ; upper tail-coverts white, freckled with brown ; tail brown ; sides of 
body vermiculated with brown ; under wing-coverts greenish black. 
Female at all seasons. Forehead and a supercilium dirty white; crown 
and nape dark brown ; lores and a line through the eyes blackish ; re- 
mainder of the head, the whole neck and the upper breast dull white 
mottled with brown, the marks on the breast and hind neck becoming 
well-defined wavy lines ; the lower plumage dull white, streaked and in- 
distinctly barred with brown; the whole upper plumage, wings and tail 
brown, the secondaries tipped with white and the inner primaries also 
more narrowly tipped with white ; upper tail- coverts white, freckled with 
brown ; under wing-coverts brown, each feather margined with white. 
The male in ivinter is very similar to the female, but always retains the 
conspicuous white patch on the primaries. 
The young are similar to the female till the first spring. 
In the male the bill in summer is black ; the iris bright red ; legs, toes 
