C86 ANATID^E. 



Chaulelasmus Streperus. The Gadwall. 



1390. Chaulelasmus streperus (Linn.'), Bodd. % Tab. Pi. Enl. 



p. 958 ; Gould, B. Eur. pi. 366 ; Jerd., B. Ind. iii. p. 802 ; Dresser, B. Eur. 

 vi. p. 487, pi.; Hume, Sir. F. viii. p 115; Scully, t. c , p. 362 ; Hume and 

 Marsh., Game Birds iii. p. 181, pi.; Murray, Vert. Zool. Sind, p, 293; 

 Oaies, B. Br. Burm. ii. p. 283. Anas strepera, Linn., Syst. Nai. i. p. 200; 

 Blyth, B. Burm. p. 166. The GADWALL. 



Male. Head and neck fulvous or greyish white, freckled with brown; 

 crown of the head with a slight yellowish tinge; chin and throat greyish white 

 finely speckled with brown; breast brown, with white crescent-shaped lines, 

 on each feather ; abdomen white, minutely speckled with greyish brown ; the 

 flanks variegated with undulations of brown and white ; back above clove 

 brown, with narrow crescentic undulations ; scapulars with narrow undulations 

 of brown and white; rump and upper tail coverts bluish black, with a purplish 

 gloss ; lower tail coverts glossy black, tinged with green ; tail brownish grey, 

 the edge of the feathers paler or fulvous, the two central feathers pointed ; 

 primaries dark brown; secondaries nearly black; the speculum a tri-coloured 

 bar of purple red, black and white, except the four first feathers, which are 

 grey at base and black at the tip ; tertials brownish grey ; greater wing coverts 

 glossy black ; lesser wing coverts grey, marbled with yellowish or fulvous 

 white ; median coverts rich chestnut brown, varied in some with orange brown, 

 the tips of the feathers nearest to the speculum broadly bordered with black ; 

 bill brownish black or dusky leaden, tinged with reddish beneath ; irides dark 

 brown ; legs pale orange. 



Length. 19*5 to 2l'5 ; wing 1075 to 11*5 ; tail 3-9 to 4-2. 



The female is smaller, has a light superciliary streak ; the head on the 

 crown is black mixed with greyish white ; sides of the face fulvous white with 

 brownish streaks ; neck in front spotted with dark brown, and marked on the 

 breast with crescentic bands of dark and pale brown; chin and throat white ; 

 abdomen white; back deep dusky brown, the feathers edged with buff; lesser 

 wing coverts greyish brown, edged paler; speculum dull white; tail dark 

 brown, marbled with pale buff, brown and white. 



