162 ANATID^. 



Salv. Ibis, 1886, p. 172 ; Tacz. Orn. Fer. iii. p. 469 (1886) ; Ridgiv. 

 Man. N. Am. B. p. 119 (1887) ; Chapm. Bull. Mus. N. R. 1894, 

 p. 82 (Trinidad). 

 Dendrocygna autumnalis discolor, B., B., 8f R. Water-Birds N. A. 

 i. p. 480 (1884). 



Similar to D. autumnalis, but differs in the lower hind-neck being 

 fulvons-grej', strongly and abruptly contrasted against the dark 

 chestnut-brown of the back ; also the breast is greyish, instead of 

 chestnut as in D. autumnalis. Wing 9- 10-9-30 inches, culmen 

 1-80-1-90, tarsus 2-20-2-25. 



Hah. Colombia, Guiana, with Trinidad Island, Ecuador, Eastern 

 Peru, and Brazil. 



n. Ad. St. S. America. 



h, c. Ad. et juv. Balzar Mts., Ecuador (Illing- Salvin-Godman Coll. 



sk. worth), 



d, e. Ad. st. British Guiana. Sir R. Schomburgk 



[P.]. 



fjff- d? ad.sk. R.Ilupurumi, British Guiana, Salvin-Godman Coll. 



May {JI. Whitely). 



h. Ad. sk. Maroni River, Surinam Salvin-Godman Coll. 



{Kappler). (Type of the species.) 



«. 2 ad. sk. Upper Ucavali, May {K H. J. Elwes, Esq. 



Bartlett).' _ [P.]. 



7>-. 5 ad. sk. Rio Parana, Brazil, April Salvin-Godman Coll. 



{Natterer). 



7. Dendrocycna arborea. 



Whistling Duck, Slocme, Jam. ii. p. 324, t. 272 (172G). 

 Black-biUed Whistling Duck, IJdw. Glean, pi. 193 (1743) (West 



Indies) ; Lath. Syn. iii. 2, p. 499, n. 48 (1785). 

 Anas fistularis jamaicensis, Briss. Orn. vi. p. 403 (1760). 

 Anas arborea, Linn. S. N. i. p. 207, n. 44 (1766) ; Gm. S. N. i. 2, 



p. 540, n. 44 (1788) ; Lath. Ind. Orn. ii. p. 852, n. 53 (1790) ; 



Bonn. Enc. Meth. i. p. 141, n. 42 (1790) ; Vieill. N. D. v. p. 152 



(1816) ; Dum. Diet. Sc. Nat. vi. p. 368 (1817) ; Steijh. Gen. Zool. 



xii. 2, p. 98 (1824) ; Less. Tr. d'Orn. p. 633 (1831) ; D'Oii. in La 



Sagra^s Hist. Nat. Ctiba, i. p. 291 (1840) ; Burin. Thiere Bras. iii. 



p. 436 (1856) ; Thienem. J. f. O. 1857, p. 157 (egg) ; Sundev. (Efv. 



K. Vet.-Akad. Forh. 1869, p. 603. 

 Canard siffleur de la Jamaique, UAidjent. PI. Enl. 804. 

 Siffleur a bee noir. Buff. Hist. Nat. Ois. ix. p. 185 (1783). 

 .PSucc6, Jacquin, Beytr. i. p. 5, n. 3 (1784) (S. Domingo). 

 ? Anas jacquini, Gm. 8. N. i. p. 536, n. 108 (1788) ; Lath. Ind. Orn. 



ii. p. 863, n. 80 (1790) ; Vieill. N. D. v. p. 158 (1816) ; Dum. Diet. 



Sc. Nat. vi. p. 385 (1817). 

 ? Anas succ^, Bonn. Enc. Meth. i. p. 134, n. 29 (1790) {e.v Jacquin ; 



San Domingo). 

 Dendronessa arborea, Wagl. Isis, 1832, p. 282. 

 Dendrocygna arborea, Siv. Class. B. ii. p. 365 (1837) ; Eyt. Men. 



Anat. p. 110 (1838) ; G. R. Gr. List Spec. B. Br. Mus. iii. p. 131 



(Jamaica) (1844) ; id. Gen. B. p. 612, n. 4 (1845) ; Hartl. Erst. 



Nachtr. Vogelsamml. p. 19, n. 219 (1846) ; Gosse, B. Jam. p. 395 



