HUDSON’S BAY TITMOUSE. 
157 
Adult Male, in summer. 
Bill short, straight, of moderate strength, somewhat conical, compressed 
towards the end ; both mandibles with the dorsal outline a little convex, 
the sides sloping and slightly convex, the edges sharp, the tip acute. 
Nostrils basal, roundish, concealed by the recumbent feathers. The general 
form is slender. Feet proportionally large ; tarsus of moderate length, 
anteriorly covered with a few long scutella, and sharp behind ; hind toe 
very large and strong, the two lateral nearly equal, the outer united at the 
base with the middle ; claws large, arched, much compressed, very acute. 
Plumage blended, tufty. Wings of moderate length, the fourth quill 
longest, fifth almost equal, third scarcely shorter than fourth, first very 
short. Tail long, much rounded, of twelve rather narrow, rounded 
feathers. 
Bill black. Iris very dark brown. Feet lead-colour. The general tint 
of the upper parts is dull leaden, tinged with light brown, the head umber- 
brown ; primaries edged with pale greyish-blue. The throat and fore neck 
are deep black, that colour being separated from the brown of the head by 
a broad band of white running under the eye. The breast and belly 
greyish-white, the sides light yellowish-brown. 
Length 5 inches, extent of wings 7 ; bill along the ridge T 3 J, along the 
edge t 5 2 ; tarsus T 7 2 , middle toe with the claw T 6 2 , hind toe the same. 
Adult Female, in summer. 
The female resembles the male, but the upper parts are deeply tinged 
with brown, and the head and throat are of a lighter tint. 
Young fully fledged. 
Bill greyish-blue. Upper parts of a dull greenish-grey. The throat 
marked as in the adult, the under parts pale greyish, tinged with brown. 
The plant represented in this plate is abundant in Labrador, Newfound- 
land, and our Northern States. It is a species of Prunus , and attains 
a height of eight or ten feet. 
Yol. II. 
27 
