Ill 



SIRSJEIR DUCK. 



(Anas Sirsaeir.) 



AN. rostro subtus Jlavo, speculo alarum oblique dimidiato supra 

 sericeo-viridi subtus nigro, antice posticeque albo. 



Duck with the beak beneath yellow, the speculum of the wing 

 obliquely divided, above silky green, beneath black, in front 

 and behind white. 



Anas Sirsaeir. Gmel. Syst. Nat. 1. 524. Lath. Ind. Orn. 2. 877- 



Sirsaeir Duck. Lath. Syn. Sup. ii. 357. 



BEAK lead-colour, yellow beneath : the chin white : 

 the crown of the head brown : back the same, with 

 the edges of the feathers whitish : belly whitish : spe- 

 culum of the wings divided obliquely, above silky 

 green, beneath black; before and behind white: legs 

 grey. Inhabits Arabia. 



ARABIC DUCK. 



(Anas Arabica.) 



AN. griseo maculata, subtus uropygioque albida maculis cinereis, 

 alarum specula nigricante anterius et posterius albo. 



Grey-spotted Duck beneath and rump whitish, with ash-coloured 

 spots, the speculum of the wings dusky anteriorly and white 

 behind. 



Anas Arabica. Gmel. Syst. Nat. 1. 542. Lath. Ind. Orn. 2. 877. 



Arabic Duck. Lath. Syn. Sup. ii. 357. 



