INDIAN DUCKS AND THEIR ALLIES. 181 



(7) Asarcornis scutulata. — The White-winged Wood Duck. 



Anas scutulata. Hume, "Str. Feath.," VIII, p. 158. 



Casarca leucoptera. Jerdori " B. of India," III, p. 793 ; Hume and 

 Davis, " Str. Feath.," VI, p. 489. Hume, ibid, p. 170. 



Casarca scutulata. Hume, "Str. Feath." VIII, p. 115 ; Hume, Cat. 

 No. 955. 



Anas lucoptera, Hume and Marshall, " Game Birds," III, pp. 147 

 and 172; Oates, "Birds of British Burmab," II, p. 281. ; Hume, " Nests 

 and Eggs " (Oates' ed.) Ill, p. 287. 



Asarcornis scutulata,, Salvadori, Cat. B. of B. Museum, XXVII, 

 p. 60. 



Descriptions: Adult Male. — Head and upper part of the neck white, 

 thickly spotted with black, as in Sarcidiornis melanonota ; the black 

 spots more numerous on the upper part of the head and hind neck ; 

 lower part of the neck and mantle glossy black, mixed with brown- 

 chestnut in front, the same colour covers the breast and abdomen ; under- 

 tail coverts brown ; back, rump, upper-tail coverts and scapularies olive- 

 brown ; the feathers of the back, rump and upper-tail coverts glossed 

 with bluish and green ; smaller upper-wing coverts white, the median 

 ones 'bluish-grey or lead-colour, broadly tipped with black ; quills 

 olive-brown, but secondaries with the outer webs bluish-grey, forming a 

 distinct speculum ; tertials olive-brown, the first one white on the outer 

 half of the outer web, margined outwardly with black, under-wing 

 coverts and axillaries white, the former mixed with brown feathers ; tail 

 dull olive-brown ; bill ochreous-red; feet reddish (Salvadori). 



Length, from 27" to 29"; wing about 15"; tail, 6'5" ; culmen, 2*5"-; 

 tarsus, 2*3' f . 



Female. — Similar to the male, but somewhat smaller and less glossy 

 on the edges of the feathers of the back and rump and of the upper-tail 

 coverts. Total length about 26"; wing, 12"; tail, 6"; culmen, 2*4"; 

 tarsus, 2'1" (Salvadori). The only sexed female in the Museum is that 

 which was in Hume's collections, and must be the same as that for which 

 he gave measurements in ll Game Birds." His measurements being as 

 follows :— Length, 27"; wing, 12'7" ; tail, 6'8" ; tarsus 2'2" ; bill from 

 gape, 2*58". The two measurements are instructive if only to show how 

 widely different may be the measurements of two different men, 

 3ven if they be ornithologists quite at the top of the tree. Of course 



