194 MANUAL OF PHILIPPINE BIRDS. 
coe 
Nestling yellowish white on under parts, buff on forehead and throat ; 
a dark brown streak from the fggghead to crown, which with the upper 
parts is brown; a dark loral streak, and two other streaks from behind eye 
to nape on each side.’ (Yarrell.)” (Salvadorv.) 
Genus DAFILA Stephens, 1824. ’ 
This well-marked genus may be recognized by its elongate form, long 
neck, and long pointed middle tail-feathers. 
161. DAFILA ACUTA (Linnzus). 
PIN-TAIL DUCK. 
Anas acuta LINN2&=US, Syst. Nat. ed. 10 (1758), 1, 126. 
Dafila acuta Satvapori, Cat. Birds Brit. Mus. (1895), 27, 270; BLANForD, 
Fauna Brit. Ind. Bds. (1898), 4, 447, fig. 116 (head); SHarpe, Hand- 
List (1899), 1, 219; Oatrs, Cat. Birds’ Eggs (1902), 2, 172; Mc- 
GREGOR and WorcESTER, Hand-List (1906), 38. 
Luzon (Sieere Exp., Bourns & Worcester, McGregor). Northern Hemisphere, 
breeding in the northern parts; south in winter to northern Africa, India, Ceylon, 
China, and Japan and in America to Panama and Cuba. 
“Adult male-—Head and upper neck plain hair-brown, darker on 
crown, and faintly glossed on sides of occiput with purple; upper half 
of hind neck black, with a white stripe on each side, confluent with the 
white of lower neck and breast; lower hind neck grayish brown; back, 
sides, and flanks waved with gray and dusky; upper tail-coverts black, 
the median broadly edged with gray; longer scapulars velvety black, edged 
with whitish; wing-coverts uniform brownish gray, the last row broadly 
tipped with cinnamon, producing a distinct bar; primaries brownish gray, 
darker toward the tip; speculum varying from dull metallic green to 
bronzy purple, tipped with white, and crossed by a subterminal bar of 
velvety black ; inner quill of the speculum velvety black with a white band 
along the inner part of outer web; tertials gray, marked with a velvety 
black median stripe; abdomen whitish, dusted with gray, lower flanks 
with a buff tinge; under tail-coverts black, the outer ones white on the 
outer web; central tail-feathers long, acuminate, and black, remainder 
of tail-feathers dusky gray, edged with whitish. Bill blackish, with the 
sides dull lead-blue; feet grayish black; iris dark brown. Length, from 
610 to 760; wing, 280; middle tail-feathers, 184 to 240; culmen, 47 to 
55; tarsus, 39 to 47. 
“*Adult female—Above grayish dusky, varied with irregular bars of 
yellowish white or pale ochraceous; head and neck whitish buff, each 
feather, except on throat, streaked with blackish ; lower parts dingy white. 
flanks, abdomen, and under tail-coverts streaked with dusky; wing brown, 
smaller wing-coverts tipped with .whitish; greater wing-coverts and 
secondaries tipped with white, forming two white bars across the wing, 
but the space between them dull brown, mottled with black, without any 
