ANATID^ THE SWANS, GEESE, AND DUCKS. 135 



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

 occurring; in the southern hemisphere, this genus leads directly 

 to PcBcttonetta, 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 CHABACTERS. Adult 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 eye; 

 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 

 blajk and white; outer scapulars marked with black and white; speculum bright metallic 

 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 across side of breast, before the wing; inner 

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

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

 a white line. 



[2. 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. Hob. 

 Pafcearctic Region, occasional in eastern North America.] 



A. crecca, the common teal of Europe, has several times been 

 taken in the Atlantic States, but has not yet been detected in 

 Illinois. 



Anas carolinensis Gmel. 



GBEEN-WINGED TEAL. 



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



Teal (Maine); Winter Teal (Long Island); Cereeta de listo verde (Mexico). 

 Anas crecca, var. FOBST. Philos. Trans, rxii, 1772. 383, 419. 

 Anas (Boschas) crecca, var. Sw. & RICH. F. B.-A. ii, 1831, 443, Norr. Man. ii, 1835, 



400. 

 Anas crecca WELS. Am. Orn. viii, 1814, 101, pL 60, flg. 1 (not of LINN.). AUD. Orn. 



Biog. iii, 1835. 218; v, 1839, 616, pL 228. 

 Anas caroUnensis GMEL. 8. N. i, pt. ii, 1878, 533. AUD. Synop. 1839. 281; B. Am. vi. 1843, 



281, pL 392. A. O. U. Check List, 1886, No. 139. Rn>aw. Man. N. Am. B. 1887, 94. 

 Querqtteduldcarolinensis STEPHENS, Shaw's Gen. Zo6Lxii.pt. ii. 1824, 128. CouES.Key. 

 1872, 287; Check List. 1873, No. 495; 2d ed. 1882, No. 715; B. N. W. 1874, 565.-HEN- 

 SHAW. ZooL Wheeler's Exp. 1875, 475. 



Kettitm. carolinensis BATBD, B. N. Am. 1858, 777; Cat. N. Am. B. 1859, No. 579. 

 BIIXJW. Orn. 4ttth Par. 1877, 623; Norn. N. Am. B. 1881. No. 612.-B. B. & B. Water B. N. 

 Am. U, 1884, 2. 



Anaa omericana VIETLL. Enc. Meth. 1823, 155. 

 "Anas sylvatica YIEELL. ?" 



