278 INDIAN DUCKS 



(42) NYROCA MARILA. 

 THE SCAUP. 



Anas marila, Linn. Faun. Sire. Ed. ii, p. 39 (1761) (Lapland). 

 Fuligula marila, Jcrdon, B. of I. iii, p. 814 ; Hume, S. F. viii, p. 115 ; 



ibid. Cat. No. 970 ; Hume it Marsh. Game-B. iii, p. 272 ; Hiune, S. F. 



X, pp. 168, 174; Stoker, tbid. p. 424; Barnes, B. of Bom. p. 41.3; 



Salvadori, Cat. B.M. xxvii, p. 355; Oates, Game-B. W, p. 337; Stuart 



Baler, J. B. N. H. S., xiii, p. 2 (1900) ; id. Indian Ducks, p. 234 



(1908). 

 Nyroca marila, Blanford, Avifauna B. I. iv, p. 462 ; Wall, J. B. N. H. S. 



xvi, p. 367. 



Description. Adult Male. — " Head, neck, upper part of the breast and 

 of the back black ; sides of the head and upper neck glossed with green ; 

 rest of the back and scapulars white, narrowly barred with black ; rump, 

 upper and under tail-coverts black ; lower breast, abdomen, and sides white ; 

 the vent somewhat greyish; the sides with black barrings; upper wing- 

 coverts l)lackish, finely vermiculated with white ; secondaries white, forming 

 the speculum, which is bounded below by a blackish band, in some 

 specimens more or less freckled with white; terfcials blackish with a green 

 gloss, the larger ones more or less finely dusted with whitish ; primaries 

 greyish-brown, from the fourth quill with a whitish area on the inner web, 

 the tips black ; the marginal under wing-coverts greyish-brown, dusted with 

 white, the remainder, as well as the axillaries, white ; tail blackish ; bill 

 and legs light lead-grey, webs and nail of the bill blackish ; iris yellow. 

 Total length about 18 inches, wing 9'25, tail 2'9, culmen I'S, tarsus 1'4." 

 {Salvadori.) 



Male. Measurements and colours of soft parts. — " Length 200 inches, 

 expanse 32'0, wing 9'0, tail from insertion of feathers 2'75, tarsus 1"42, bill 

 along ridge 2'0. The bill is light greyish-blue or dull lead-colour, with the 

 nail blaokisli ; the iris rich yellow ; the edges of the eyelids dusky ; the 

 feet pale greyish-blue, darker on the joints; the membranes dusky; the 

 claws black." {Macgillivray .) 



Adult Female. — " Forehead, lores, and more or less of the chin white, 

 encircling the base of the bill ; rest of head, neck, upper back, and upper 

 breast brown, the last mixed with white and passing into the white of the 

 abdomen, not sharply defined as iir the male ; back and scapulars vermi- 

 culated brown and white, flanks the same but with more white ; rump, 

 upper tail-coverts, and tail dusky brown ; wings as in the male but duller 

 and browner." {Blanford.) 



