202 INDIAN nrcK; 



Genus MAEMARONETTA. 



The genu? Marmarnnett<i contains a single species only, with n bill 

 similar to that of Netthm, hut differing from that genns in having no wing- 

 speculum. Its coloration, which gives a silvery-grey tone to the ])lumage 

 when taken as a whole effect, is quite sufficient to at once distinguish it 

 from all other thicks, either Indian or otherwise. 



(34) MAEMARONETTA ANGUSTIROSTRIS. 

 THE MARBLED DUCK. 



Cluerquedula angustirostris, Hnme, Str. Feaih. i, p. 202; Anderson, ihid. iii, 



p. 273 ; BnlUr, ihid. \\, \^. 30 : id. ihid. \, p. 234 ; Hume Sf- Mar. Game-B. 



iii, p. 237 ; Reid, Sir. Feath. x, p. 82; McLeod, ihid. p. 168; Hume, 



ihid. p. 174. 

 Chaulelasmus angustirostris, Hnme, Str. Feath. vii, p. 493 ; id. Cat. 



no. 901 bis ; Barnes, B. of Bom. p. 405; Hume, Neats cf" E(ff/.<i (Oates ed.), 



iii, p. 291 ; Barnes, Jour. B. N. 11. S. vi, p. 2i»l. 

 Marmaronetta angustirostris, >Salv(tdori, Cat. B. M. xxvii, p. 321 ; Blanford, 



Fauna B. I . iv, p. 454 ; Oates, Game-B. ii, p. 273. 



Description. Adult male. — Wliole upper parts a silvery grey, each feather 

 liaving the central portion darker and brownish and tlie tip and terminal edge 

 paler; the head and nape is more buff in tint, and lias each feather centred 

 brown, giving it a barred appearance ; the parts surrounding the eyes brown, 

 forming a distinct dark brown eye-patch ; chin, throat, and under part of the neck 

 paler, almost w lute, with the dark centres much reduced and forming onlv a 

 stippling; lower parts white, more or less tinged \\\\.\\ buff and grey, and also 

 barred with dark grey-brown on the breast, flanks, and sides, and less distinctly 

 on the lower tail-coverts. Tail a silvery brown-grey, edged paler ; wings silver- 

 grey, the outer secondaries a purer, paler colour, and the inside of the primary- 

 quills darker and brown ; all the feathers, coverts, and quills have the sliafts 

 brown, distinctly showing against the grey. 



" Length 18-3 to 19 inches, expanse 28-5 to 29-5, tail from vent ;V6 to 4-0, 

 wing 8-1 to 8-5, wings when closed reach to 0*7 to 1-5 of end of tail, bill at 

 front, including nail, 1*77 to 1*85, tarsus 1-44 to 1*52. AVeight 1 lb. 3 ozs. to 

 1 lb. 5 ozs. 



" The legs and feet are dusky-olive or dark horny-brown with the claws and 



