480 



LAMELLIROSTRAL SWIMMERS — ANSERES. 



A. Crissuni white, spotted with bUick. 



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



pale fulvous and dusky ; lower parts duU whitish, irregularly spotted with black. Hah. 

 West Indies (Jamaica and St. Croix). 



2. D. autumnalis. Above, reddish brown, the nunp and upper tail-coverts black ; abdomen, 



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



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

 back. Wing, 9.20-9.70 inches ; culmen, 1.90-2.15 ; tarsus, 2.25-2.60 ; middle toe, 

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



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

 contrasted above with the chestnut-brown of the back. Hab. Soutli America. 



I), 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. Hab. 

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

 Ayres, and Paraguay. 



1 Dendrocyona akbore.\. 



Black-billed Whistlincj Duck, EnwAr.DS, Glean, t. 193. 



Canard siffleur, de la Jamaiqiie, Buff. PI. Enl. 804. 



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



Bcndrocygna arhorea, Eyton, Monog. Anat. 1838, 110. — ScL. & Saly. Nom. Neotr. 1873, 73 : 



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

 "iAnas Jacquini, Gmel. S. N. I. ii. 1788, 536 (ex J ACQ. Beitr. p. 5, no. 3). 

 Hab. Bahamas, Cuba, Santo Doniiiigo, .Taniaioa, and St. Croix. 



'^ DeNDR0CYCN.\ AUTU.MNALIS DISCOLOK. 



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



" Dendrocygna autumnalis," AucT. (all quotations from South America). 



Vendrocyr/ua discolor, Sci.. & Salv. Nom. Neotr. 1873, 161 ; P. Z. S. 1876, 375. 



