of the District of Montreal. 425 



two rows ; nostrils sub-basal, large, and oblong ; tail long and 

 tapering. 



A. glacialis. Long-tailed duck. 

 Harelda glacialis of Richardson and Swainson ! ! 

 Fuligula glacialis of Bonaparte ! 

 Anas caudacuta harelda of Ray ! 

 Harelda glacialis. Baird ! 

 v.s.p. Bill black, with an orange transversal band near the 

 tip ; legs and feet dusky ; irides red, approaching to hazel ; eggs 

 5, pale greenish grey. 



Dorsal aspect. Frontlet, crown, and cheeks, dusky drab, — 

 lightest on the crown, and darkest on the cheeks; auriculars 

 black, this colour descending down the sides of the neck in the 

 form of an irregular broad patch ; remainder of the neck to the 

 interscapulary region white ; interscapulary region, rump, and 

 wing coverts, shining black ; long and short scapulars a?hy white, 

 the long scapulars hanging gracefully over the wings ; four cen- 

 tral tail feathers black, and very long ; the four adjoining ones on 

 each side cinereous along the shafts, broadly margined with white, 

 the other lateral ones wholly white ; central tail coverts black ; 

 lateral tail coverts white on the outer vanes, and black on the 

 inner vanes ; primaries blackish brown, secondaries brown, the 

 tips of the latter forming a shining brown speculum. 



Ventral aspect. Chin and throat white ; breast and half of 

 the belly black ; remainder of the belly, vent, and sides of the 

 rump, white ; sides and flanks greyish. 



2nd primary longest ; 1st next, and subequal to the 2nd ; length 

 23 inches; alar expanse 29 inches ; length of bill from the fron- 

 tal feathers 1 inch and 2 lines. 



The female has the tail short ; a spot on the throat and eye- 

 bands, white ; crown of head blackish ; breast varied with ash 

 and brown ; and the feathers of the back black, margined and 

 tipped with ashy rufous ; the irides pale brown. " Nuttall." 

 Suh-genus Fuligula. 

 Sub-gen. Char. Bill long, broad and flat, gibbous at the base, 

 and more or less dilated at the extremity ; nostrils basal, oval. 

 A.ferina. The Pochard, or Red-headed duck. 

 Fuligula ferina of Stephens! 

 Aythya Americana. Baird ! 

 v.s.p. Bill greyish blue, with a black tip ; legs and feet black; 

 irides reddish hazel ; eggs 12 to 13, greenish white. 



