ANATIDH -—- ANATINZ’: RIVER DUCKS. 695 
Analysis of Subgenera and Species. 
NeEtrium. Head sub-crested. Bill very narrow; nail about } its tip. Reéntrance of feathers on sides of 
culmen in advance of base of bill below. Head and neck chestnut, with a broad glossy green band on 
each side behind eye, bordered with whitish, blackening where meeting on nape. Under parts white, 
with circular black spots; crissum black, varied with white or creamy; upper parts and sides of body 
closely waved with black and white. Speculum rich green bordered in front with buff tips of the cov- 
erts, behind with white tips of the secondaries; no blue on wing; feet dark; bill black. 9 differing 
especially in the head markings, those of wings similar. 
No white on side of body in front of wing; long scapulars black externally, creamy white inter- 
nally . 8 : oe . G erecca 714 
A white crescent on side of body before wing ; seaciulecre plain oh We os carolinensis 715 
QUERQUEDULA proper. Head close-feathered. Bill broader than in Nate, the nail about 4 its tip. 
Reéntrance on sides of culmen not in advance of base of bill below. .Wing-coverts in ¢ ? sky blue, 
the greater white-tipped; scapulars of ¢ striped with blue and buff. 
d Head and neck blackish-plumbeous ; a large white crescent in front of eye . oe discors 716 
d¢ general color purplish-chestnut ; no white on head . 6 ES : +. . cCyanoptera T1T 
74, Q(N.) crec’ca, (Lat. crecca, formed like crea, crake, quack, ete., to express the sound.) Euro- 
PEAN GREEN-WINGED TEAL. Like the next to be described: No white crescent before wing ; 
green band in chestnut of side of head bordered with decided whitish ; barring of sides and upper 
parts broader and coarser; long scapulars as well as inner secondaries creamy white, black- 
bordered externally. Europe; Greenland; casually on N. Am. Atlantic coast. 
715. Q. (N.) carolinen/sis. (Fig. 482.) AMERICAN GREEN-WINGED TEAL. Adult @: Bill black; 
-feet bluish-gray ; iris brown. A white crescent in front of wing. Head and upper neck rich 
\ chestnut, blackening 
on chin, with a glossy 
green patch behind 
each eye blackening 
on its lower border 
and on the nape 
where it meets its 
fellow among the 
lengthened feathers 
of the parts, bordered 
below by a more or 
Lyra, ao _ less evident whitish 
a) Ly TA ; line, which may often 
set i) ee a Yi be traced to the angle 
of the mouth. Up- 
per parts and flanks 
waved with narrow 
: 4 ¥ black bars on a whit- 
Fig. 482. — AmericanGreen-winged Teal. (From Lewis.) ish ground. Under 
parts white, becoming buff or fawn-colored on breast, nebulated with gray, on the breast 
with numerous sharp circular black spots; fore neck and sides of breast waved like the upper 
. parts. Crissum black, with a buff or creamy patch on each side. Primaries and wing-coverts 
leaden gray; speculum velvety purplish-black on outer half, the inner half rich green ; bor- 
dered in front with chestnut, fawn or whitish tips of the greater coverts, behind by white tips 
of the secondaries, interiorly with purplish-black stripes on the outer webs of the lengthened 
secondaries. Adult Q: Nearly like g on the wings, the green speculum less perfect; no 
crest ; head and neck streaked with light reddish-brown on a dark brown ground; upper parts 
mottled with dark brown, barred and streaked with tawny or grayish ; lower parts white, more 
or less buffy-tinged on lower fore neck and breast, which have nebulous dusky spotting. A 
very small species, one of the most prettily colored of all, of unsurpassed excellence of flesh : 
