480 



LAMELLIROSTRAL SWIMMERS — ANSERES. 



A. Crissum white, spotted with bhick. 



1. D. arborea.i Above, dull brown, the feathers tipped with lighter ; neck streaked with 

 pale luhous and dusky ; lower parts dull whitish, irregularly spotted with black. Ho}). 

 West Indies (Jamaica and St. Croix). 

 •1. D. autumiialis. Above, reddish brown, the rump and upper tail-coverts black ; abdomen. 

 Hanks, sides, and under side of wing, black. 

 a. aidumnalis. Lower part of neck all round, including breast, reddish brown, like the 

 back. Wing, 9.20-0.70 inches ; culmen, 1.90-2.15 ; tarsus, 2.25-2.60 ; middle toe, 

 2.25-2.70. Hah. Middle America, including Rio Grande valley of Texas. 

 /3. discolor.^ Lower part of neck all round, including breast, brownish gray, abruptly 

 contrasted above with the chestnut-brown of the back. Hah. South America. 



D. fulva. 



B. Crissum plain white. 



3. D. fulva. Lower parts plain light cinnamon, the flanks striped with paler ; back and 

 scapulars black, the feathers tipped with fulvous ; upper tail-coverts white. Wing. 

 8.10-8.90 inches ; culmen, 1.65-1.95 ; tarsus, 2.10-2.40 ; middle toe, 2.30-2.80. Hah. 

 Middle America, north to California, Nevada, and Louisiana ; South Brazil, Buenos 

 Ayres, and Paraguay. 



1 Dendrocycna AKROUE.'V. 



Black-hilled Wldslliiuj Duck, Edward.s, Glean, t. 193. 



Canard siffieu?; de la Jamadque, Buff. PL Enl. 804. 



Anas arborea, Linn. S. N. I. 1766, 207 (ex Edw. 1. c). 



Dendrocycjna arborea, Eytox, Moiiog. Anat. 1838, 110. — ScL. & Salv. Xom. Neotr. 1873, 73 ; 



P. Z. S. 1876, 376 (nionograpliie). — CouEs, B. N. W. 1874, 558 (synonymy). 

 lAnas Jacquini, G.mkl. S. X. I. ii. 1788, 536 (ex J.uq. Beitr. p. 5, no. 3). 

 Hab. Bahamas, Cuba, Santo Domingo, Jamaica, and St. Croix. 



2 Dendrocycna ArrUiMNAMs discoloi:. 



Canard siffleur, de Cayenne, Buff. PI. Enl. 826. 



" Dendrocygna autumiialis," Auct. (all (quotations from South America). 



Dendrocycna discolor, ScL. & Salv. Xom. Keotr. 1873, 161 ; P. Z. S. 1876, 375. 



