sia, S. Asia. 



ANATIDiE, 37 



209. Sheld-dbake. Tadoma cornuta (S. G-. Gmelin). Eesident. 

 Male. Head and neck green, below that a white collar, with a broad 



rich chestnut band, covering the breast ; wing-coverts white ; wing-spot 

 or speculum, formed by colours of the outer webs of the secondaries, 

 green ; ileshy knob on base of upper mandible ; bill red ; legs and feet 

 pink. 



Female. Smaller than male ; less bright markings, and no knob on bill. 

 Length 25-26 inches. 



210. EuDDT Sheld-drakb. Tadoma casarca (Linnaeus). Of rare Mediterranean 

 occurrence; introduction may be suspected. region, S. Rus- 



General colour rufous buff ; crown light buff ; wing-coverts white ; 

 wing-spot green; bill, legs, and feet blackish. 



Sexes alike, except that male has a blackish ring round neck. Length 

 25 inches. 



211. Wild Duck (Mallabd, male). Anas boscas, Linnaeus. 

 Resident. Sexes differ in plumage. 



Wing-spot purple ; tail of sixteen feathers ; bill rather longer than 

 head. 



Male. Head and neck green ; four central tail-coverts black, lengthened 

 and curled upwards. 



Female. General colour brown. 



Male in summer. Resembles female. Length 21 inches. 



212. Gadwall. Anas strejjera, Linnseus. Chiefly autumn to spring, 

 but now breeds in Norfolk, and doubtless elsewhere. 



Wing-spot white ; bill shorter than head, and narrowing slightly 

 towards tip. General colour grey. 

 Male. Chestnut on shoulder of wing. 

 Female. Brown and grey. Length 20 inches. 



213. Shoveleb. Spatula clypeata (Linnseus). Resident. 



Bill hroadly dilated at the end, being twice as broad near the tip as 

 at the base ; wing-spot green. 



Male. Head and neck green ; shoulders pale blue ; iris yellow. 



Female. Dark brown. 



Male in summer. Resembles the female. Length 20 inches. 



214. PiXTAiL. Dafila acuta (Linnaeus). Autumn to spring ; occa- 

 sionally nesting in Ireland. 



Tail graduated, of sixteen feathers, two centre feathei-s much elongated 

 in male, slightly so in female ; wing-spot darTc green, glossed with copper ; 

 bill as Ion a: as head. 



Male. Head, cheeks, chin, sides of neck, and upper neck in front rich 

 dark brow-n ; two centre tail-feathers black. 



Female. Brown above, gi'eyish white below. Length 24-28 inches. 



