ANATID.E— THE SWANS, GEESE, AND DUCKS. 185 



it were, so as to fully expose the lamellae. Through the forms 

 occurring in the southern hemisphere, this genus leads directly 

 to PcecUonetta, which in turn is intermediate between Nettion and 



Dafila. 



The two species of Nettion occurring in the northern hemi- 

 sphere are much alike, the males being very handsome in 

 plumage. They may be distinguished as follows: 



Common Characters. A dull males: Head and upper half of the neck chestnut-rufous, 

 marked with a large patch of metallic green on each side of the head, behind the e 

 chin and upper part of throat dull black; nuchal tuft blue-black; lower part of the neck, 

 upper part of the back, scapulars, and lateral parts of the body beneath, undulated with 

 black and white; outer scapulars marked with black and white; speculum bright met, 

 green the lower feathers black, tipped with white; crissum black centrally, creamy buff 

 laterally Adult females: Wing, only, as in the males; elsewhere varied with dusky and 

 brownish white, the former prevailing above, the latter beneath; the abdomen nearly or 

 quite immaculate. 



1 A carolinensis. A broad white bar aeross side of breast, before the wing; inner 

 webs of outer scapulars vermiculated with dusky and brownish white, the outer 

 webs marked with a longitudinal lanceolate spot of black, bordered internally with 

 a white line. 

 i> A crecca. No white bar on side of breast; inner web of outer scapulars wholly. 

 and outer web partly, white, the exposed surface of outer webs almost entirely 

 black: undulations of sides, etc., much coarser than in A. carolinensis. Hah. 

 Pakearctie Region, occasional in eastern North America.] 



.1. orecca, the common teal of Europe, has several times been 

 taken in (he Atlantic States, but has not yet been detected in 



Illinois. 



Anas carolinensis Gmel. 



GREEN -WINGED TEAL. 



Popular synonyms. Green-wing; American Green-winged Teal; Red-headed Teal: Mud 

 Teal '.Main.'; Winter Teal (Long Islandi; Cerceta de listo verde (Mexico). 



OBST. Philos. Trans, lxii. 177.'. 883, 119. 

 Anas [Boschas) crecca, vex. Sw. & Rich. F. B.-A. ii. 1851, 443,-NtJTT. Man. u 



100. 



ecoa Wn.s. Am. Orn. viii. 1814, 101. pi. 60, Bg. 1 (not of Linn.).-Aod. Orn. 



Biog. iii. 1835, Jl^; v, L839, 616, pi. 228. 

 inaa carolinensis dun,. 8. N. I. pt.il, 1878.633, atro. Synop. 1839.281; B. am vi. 1843. 



.., p] 392 -a. ... r. Oheok List 139, Rmow. Man. N. Am. B. 1887.94. 



Querqued Btbphbnb. Shaw's Gen. Zool.xii.pt ii.1824, 



1872, >7; Check List. 1873, No. 195; 2d ed. 1882. No. 715; B. N. W. L874, 16 

 . Zool. Wheeler's Exp. L875, 175. 



fa Bakd. B. n. Am v am. B. L85 



Norn. N. Am. B. 1881. No. 612. B. B.&B.Wal 



Am. ii. 1884, 2. 



i \ ii.ii i . i no. Meth, I-- ; . i ••'■■ 

 ".l not «i/l ' mi. 



