of the District of Montreal, 421 



wing coverts cinereous, the lower internal ones with a purplish 

 iridescence ; speculum purplish blue, tipped inferiorly with white, 

 and bordered internally with bronze ; tail feathers blackish green, 

 the form of the tail round ; primaries hoary white on the outer 

 vanes ; clove brown on the inner vanes, which are also tipped with 

 purple. 



Ventral aspect. Chin and upper half of the throat white, re- 

 mainder of the throat and breast bright glossy chesnut brown 

 with terminal triangular spots of white ; belly and vent white ; 

 shoulders with a crescent of white, the feathers of which are 

 broadly tipped with jet black ; sides yellowish brown, elegantly 

 waved with blackish brown ; flank yellowish grey finely waved 

 with black, the tips of the long feathers broadly barred with 

 white and black ; sides of the rump purplish red ; axillaries white, 

 barred with blackish brown ; tail feathers bronze ; inner aspect 

 of the wings cinereous. 



2nd primary longest ; 1st longer than the 3rd ; length 20 in- 

 ches ; alar expanse 28 inches ; length of bill from frontal feathers 

 1^ inch. 



The female has the head and crest and a white patch round the 

 eye brownish ; the wavy lines on the flanks and the pendant tail 

 coverts are wanting ; the crest is shorter, and on the whole the 

 plumage is less vivid. 



Sub-genus Clangula. 



Sub-gen. Char. Bill short, narrow at the base, not much ele- 

 vated, slightly curved or scolloped from the base to the curve at 

 top ; nostrils suboval and subcentral ; tail moderately long. 



A. albeola. The Spirit duck. 



Clangula albeola. Richardson and Swainson! 



Fiiligula albeola. Bonaparte ! 



Anas bucephala of Pennant ! 



Bucephala albeola. Baird ! 

 v.s.p. Bill blueish black, yellowish at the tip ; legs and feet 

 yellow ; irides yellow ; eggs unknown. 



Dorsal aspect. Crown of head and sides of neck glossy reddish 

 pnrple; front, cheeks, and lower part of crest on the nuchal re- 

 gion, dark green ; a broad band from the eye to the occipital 

 crest, and lower part of the neck at its sides and back, white ; 

 interscapulary region, long and inner short scapulars, rump, and 

 primaries, black; outer scapulars, and outer wing coverts, white, 



