480 



LAMKLLIUOSTUAL SWIMMEUB — ANSERKS. 



A> ('ri«sum wliite, Hjiotted with black. 



1. D. arborea.' Aliovu, iliill brown, tlio feathers tipped with lighter ; neck Htreiiked with 



pale rulvoiis mill dusky ; lower parts dull whitish, irregularly spotted with black. Jlah. 

 West Indies (Jiiiniiica and St. Croix). 



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



Hanks, siiies, and under side of winj,', black. 



n. autuiniiiiliii. Lower jiart of mrk all round, including breast, reddish brown, like tho 

 back. Wing, !».2(>-!>.7() inches ; ciilmen, l.!)0--M.') ; tarsus, 2.:!r>-2.(i() ; middle toe, 

 2.25-2.70. Htth. .Middle America, including Uio (Irande valley of Texas. 



/3. (liKailor.^ Lower jiait of neck nil round, including breast, browiush gray, abruptly 

 contrasted above with the chestnut-brown of the back. //((/'. South America. 



1). fulva. 



B. Crisaum plain white. 



D. fulva. Lower parts plain light cinnamon, the tlanks striped with paler ; hack and 

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

 8.10-8.90 inches ; culinen, 1.65-1.95 ; taraus, 2.10-2.40 ; middle toe, 2.30-2.80. JM>. 

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

 Ayres, and Paraguay. 



1 DENDROOYCNA AllBOUEA. 



Black-billed Whistling Duck, EnwAnns, Oloan. t. 198. 



Canard sifflcur, dc la Jamaiquc, BfKK. PI. Knl. 804. 



Anasarhorca, Linn. S. N. I. 1766, 207 (ex Knw. 1. c). 



Lendrocygna arborca, Evton, Monog. Anat. 1838, HO. — Sri„ & Sai.v, Nom. Ncotr. 1873, 73 ;. 



P. Z. S. 1876, 376 (inoiingraphic). — Couks, B. N. "W. 1874, 668 (.synonymy). 

 t Anas Jacquini, G.MKI-. S. X. I. ii. 1788, 536 (ex .I.mq. Beitr. p. 5, no. 3). 

 Hab. Bahamas, Cuba, Santo Donungo, .laniaica, and St. Croix. 



* DeNDROCYCNA Al'TUMXAUs ni.Sl'OI.OK. 



Canard sifflcur, de Cayenne, Buff. PL Enl. 826. 



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



VendroeygnM discolor, Scl. & Salv. Nom. Ncotr. 1873, 161 ; P. Z. S. 1876, 375. 



