Order ANSEEES.] [ FaM- ANA.TID^E. 



- 4 ANAS SUPERCILIOSA 



(GREY DUCK.) 



Supercilious Buck, Lath. Gen. Syn. iii. pt. 2, p. 497 (1785). 

 Anas superciliosa, Gm. Syst, Nat. i. p. 537 (1788, ex Lath.). 

 Anas leucophrys, Forster, Descr. Anim. p. 93 (1844). 

 Anas sandwichensis, Bonap. C. R. xliii. p. 649 (1856). 

 Anas wMlleri, Bonap. C. R. xliii. p. 649 (1856). 



Native name. — Parera. 



Ad. supra brunneus, plumis omnibus fulvescente marginatis, pilei et colli postici plumis quasi striatis : linea. 

 superciliari distincta fulvescenti-alba, altera inferiore brunnea a summa, maxilla per oculum post 

 regionera paroticam ducta : facie reliqua, et gutture toto fulvescenti-albis, linea faciali indistinctiore a 

 basi maxillse versus regioneni parotieani, hac et colli lateribus brunueo striatis : tectricibus alai'um 

 dorso concoloribus et eodem modo liiubatis, majoribus velutino-nigro termiuatis : remigibus brunneis, 

 secundariis extiis laete purpurascenti-viridibus, versus apicem velutino-nigris, anguste albo terminatis : 

 cauda brunnea, rectricibus anguste fulvo marginatis : corpore reliquo subtixs pallidiiis brunneo, late 

 fulvescente marginatis, quasi marmoratis : subalaribus albis : rostro plumbeo, mandibula brunnescente : 

 pedibus fiavicanti-brunneis : iride rufescenti-brunnea. 



Adult. Top of tbe bead and a broad streak from tbe base of the upper mandible through the eyes brownish 

 black, the former slightly marked with grey; a narrow streak from the forehead over the eyes, the 

 cheeks and the whole of the throat yellowish white, sometimes tinged with rufous ; from the gape, or 

 angles of the mouth, and crossing the cheeks a mottled streak of very dark brown ; ear-coverts and 

 . sides of the neck greyish brown, mottled or striated with yellowish white ; general upper surface 

 blackish brown, each feather margined more or less distinctly with fulvous white, and those composing 

 the mantle having a strong coppery hue ; fore neck, breast, and underparts greyish brown, varied with 

 fulvous white ; inner lining of wings and axillary plumes pure white ; sides of the body and flanks 

 blackish brown, each feather margined with dull fulvous white ; primary quills dark velvety brown on 

 their upper surface, greyish underneath; speculum rich glossy green, bounded on both sides with 

 velvety black ; the secondaries with a narrow terminal edge of white, and of those overlapping the 

 speculum the whole of the inner webs deep velvety black; the superior wing-coverts dark brown, 

 with a broad edging of velvety black, below which there is a line of yellowish white. Irides reddish 

 brown ; bill bluish lead-colour, the nail black, and the lower mandible tinged with brown ; legs 

 yellowish brown, the webs darker. Length 20 inches ; wing, from flexure, 16 ; tail 2'5 ; bill, along the 

 ridge 2, along the edge of lower mandible 2 - 25 ; tarsus T5 ; middle toe and claw 2 - 25. 



2K 



