RIVER AND POND DUCKS 191 
acting under direction, scatter and seek cover in every direction, while 
the female gives a remarkable and courageous exhibition of partial 
helplessness. 
KEY TO THE SPECIES 
I. Wing under 8-50. 
a. Lesser wing-coverts gray. 
139. GREEN-wINGED TEAL. 138. EUROPEAN TEAL. 
b. Lesser wing-coverts blue. 
'b!, Cheeks slate-color, a broad white mark near the front of the face. 
140. Biun-wineEep TEAL (¢ ad.). 
62, Cheeks and underparts chestnut-rufous. 
141. Cinnamon T3EAL (¢ ad.). 
cl, Cheeks finely streaked with blackish. 
ce. Underparts whitish, sometimes washed with brownish, streaked or 
spotted with blackish....... 140. Buun-wineEp TEAL 9. 
c3. Underparts heavily washed with chestnut-rufous and mottled 
with black... 1... 2. eee ee ee 141. Cinnamon TEAL 9. 
II. Wing over 8°50. 
A. Belly white or grayish white, not conspiquoualy: streaked or spotted. 
a. Whole head shining dark green ....... MA.uarp (¢ ad.). 
b. Center of head white or whitish, a large te Pai and the eye. 
137. Batppate (¢ ad.). 
c. Throat white, crown green or grayish green, tips of primaries greenish. 
144. Woop Duck. 
d. Throat blackish, center of crown buffy, rest of head rufous. 
136. WipGEnon (0 ad.). 
e. Throat and sides of head olive-brown, Fee vey on the crown. 
148. Prnraru (9 ad.). 
f. Throat, crown ana sides of head more or i finely streaked with 
blackish. - 
jf}. Wing-coverts with more or less chestnut .... 135. GADWALL. 
g'. No chestnut in wing-coverts. 
g*. Axillars* and sides barred with black. .... . 143. Prntaiu 9. 
g?. Axillars white or speckled with black, sides plain brownish. 
137. BALDPATE 9. 
a, Axillars white, sides thickly spotted or barred with black. 
135. GADWALL 9¢. 
B. Underparts conspicuously mottled, spotted, or streaked, or feathers 
margined with chestnut-rufous—or belly chestnut. 
a. With white conspicuous in wing-coverts. 
ai. Lesser wing-coverts ashy blue....... . 142. SHOVELLER. 
61. Lesser wing-coverts brownish gray, bordered with white or tipped 
with black. 
b2. Speculumf purple . ........2.+02.2... 182. Mauuarp9. 
b3. Speculum gray and white .......... 1385. GapwWaLt 9. 
6. No conspicuous white in wing-coverts. 
bt. Throat fulvous or buffy, without streaks. . . 134. Fuorrpa Duck. 
b2. Throat finely streaked with black. ..... . 133. Buack Duck. 
132. Anas platyrhynchos Linn. Ma.uarp. (Fig. 34a.) Ad. a.— 
Whole head and throat glossy greenish or bluish black; a white ring around 
the neck; breast rich chestnut; belly grayish white, finely marked with wavy 
black lines: under tail-coverts black; upper back dark grayish brown; rump 
_and upper tail-coverts black; four middle tail feathers recurved; speculum 
rich purple, bordered at the base and tip by narrow bands of black and white. 
Ad. ¢.—Top and sides of head streaked with fuscous and buffy; back fuscous, 
the feathers with internal rings or loops and sometimes borders of pale ochra- 
\ *See Fig. 82. TA colored pateh i in the wing. 
