139 



transversely ; a broad collar of white on the upper part of the neck, not meeting at the hack, from 

 which proceeds a streak to the chin also -white ; under surface brown grey, undulated with darker ; 

 back and coverts brown, slightly glossed with brassy green ; coverts tipped with white ; rump and 

 tad ashy brown, the latter darkest ; bdl black ; legs and toes orange ; webs black. 



Anas chalcoptera Kitlitz. 



Anas specularis, King Zoo/. Journal, JVat. col. 4. 98. 



specularoides, King Ditto ditto. 



Inhabits Chili. 



ANAS SUPERCILIOSA. 



Jin. — Brunnea, fascia albida supra et sub oculos ; speculo violaceo. 



SUPERCILIOUS DUCK. 



Brown duck, with a whitish stripe above and below the eye ; speculum violet. 



IN. IN. 



Length 23 Tarsi If 



Bill 21 Middle toe 2| 



Brown, with the head darkest ; a whitish stripe arises at the cuhnen of the bill, and proceeds 

 over the eye nearly to the occiput, another arises below the base of the bill, and passes below the 

 eye also nearly to the occiput, where the two meet; the whole of the plumage dark brown, with 

 the edges of the feathers lighter, and the throat and fore neck yellowish white ; speculum metallic 

 violet, surrounded with black ; under wing coverts white ; bill black ; legs brown. 



Sexes similar. 



Anas siqjercitiosa Gmcl. Syst. 1 . 537. 



Lath. Did. Orn. 2. 852. 



Supercilious Duck Lath. Gen. Syn. 6. 497. 



Anas sujierciliosa Steph. Sh. Zool. 12. 108. 



Inhabits New Holland. 





