288 ANATIB^. 



Hybrids. 



? Anas chlorotis S (?) X Anas boscas $ , Bullev, B. Neiv Zeal. 2nd ed. 

 p. 259 (1883). 



Adult male. Head and upper part of neck brown, the crown 

 glossy, with a chestnut tinge ; sides of the occiput and nape glossed 

 with metallic green ; throat more or less whitish ; upper parts 

 brown, the edges of the feathers paler, greyish brown ; on the inter- 

 scapular region the feathers are finely waved with black and rufous 

 lines ; the outer scapulars black on the outer web, waved with 

 black and chestnut lines on the inner one ; lateral upper tail- 

 coverts black, glossed with green on the outer webs ; a white collar, 

 more or less distinct, separates in front the brown of the upper from 

 the lower part of the fore neck, which is chestnut, shading into pale 

 reddish on the breast and abdomen ; these parts have numerous 

 black spots, almost round, on the lower fore neck, more transverse on 

 the breast and abdomen ; flanks waved with rufous and black lines ; 

 under tail-coverts black, at the base of them on each side a white 

 patch ; wings brown ; speculum black, metallic green on the upper 

 part, bounded anteriorly by a narrow cinnamon band at the tip of 

 the last row of the upper wing-coverts, and posteriorly by a rufes- 

 ceiit white band at the tip of the secondaries ; tertials edged with 

 rufescent ; under wing-coverts brown, the inner ones, with the 

 axillaries, white ; tail brown-black, with narrow rufescent edges to 

 the feathers : " irides black : bill bluish black ; the pectination of 

 the upper mandible yellowish brown ; feet dull slaty grey " (Bidler). 

 Total length about 18 inches, wing 8, tail 4, culmen 1-7, tarsus 1-5. 

 (Mus. Bothschild.) 



Female. Head and upper portion of the neck brown, the crown 

 darker, each feather edged with rufous ; sides of the head and 

 throat with darker streaks ; lower part of neck behind and upper 

 surface dark brown, each feather margined with rufous ; lower 

 parts rufous-brown, each feather largely centred with brown ; abdo- 

 men paler; sides and under tail-coverts darker; wings as in the 

 male, but the upper wing-coverts with narrow rufous edges ; tail 

 brown : " bill greyish brown ; legs pale yellowish brown "' {Buller). 

 Total length about 17 inches, wing 7'7, culmen 1-7. 



Immature male. Similar to the female, and has no white collar 

 in front of the neck and no gloss on the sides of the occiput and 

 nape. 



Young. Very similar to the adult female. {Mus. EotliscMld.) 



Young in down. " Covered with thick soft down, blackish brown, 

 with lighter markings on the upper surface ; chin and underparts 

 yellowish brown." (Buller.) 



Sir W. Buller speaks of an apparently smaller form of this Duck, 

 brought from the "West Coast Sounds by Mr. Eeischek. 



ffah. New Zealand, Chatham, and Auckland (?) Islands. 



a, b, c. 2 ad. at New Zealand. P. Earl, Esq. [C.]. (Types 



cJ imm. sk. of the species.) 



