ANATIDA -— ANATINA: RIVER DUCKS. 695 
Analysis of Subgenera and Species. 
Nerriom. Head sub-crested. Bill very narrow; nail about tits tip. Reéntrance of feathers on sides of 
culmenin 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 coy- 
erts, behind with white tips of the secondaries; no blue on wing; feet dark; bill black. Q 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, sos Micki er eR nti Sauce MCvECCOMEG EE 
A white eeencont G on aide of ose bere, mine eeapairs pinin ieee . . . carolinensis 
QUERQUEDULA proper. Head close-feathered. Bill broader than in Nettium, ene nail about tits tip. 
Reéntrance on sides of culmen not in advance of base of bill below. Wing-coverts in g 9 i blue, 
the greater white-tipped; scapulars of ¢ striped with blue and buff. 
¢ Head and neck blackish-plumbeous ; a large white crescent in frontofeye. . . . . discors 716 
¢ general color purplish-chestnut; no whiteonhead . ...... . «© + « cyanoptera 17 
-~1 
me 
or 
Q (N.) erec’ca. (Lat. erecca, formed like crex, crake, quack, etc., 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. 
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 
less evident whitish 
i iene : 
ue line, which may often 
be traced to the angle 
of the mouth. Up- 
per parts and flanks 
waved with narrow 
a) 
black bars on a whit- 
Anger? ~ <A Se 
Sn 
Fic. 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 @ 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 : 
