92 
GOLDEN-WINGED SWAMP- WARBLER. 
Golden-winged Warbler, Sylvia crysoptera, Wils. Amer. Orn., vol. ii. p. 113. 
Sylvia ciirysoptera, Bonap. Syn. p. 87. 
Golden-winged Warbler, Sylvia ciirysoptera , Nutt. Man., vol. i. p. 411. 
Golden-winged Warbler, Sylvia ciirysoptera , Aud. Orn. Biog., vol. v. p. 154. 
Male in spring. 
Bill shorter than the head, slender, conical, compressed toward the end, 
tapering to an acute point ; upper mandible with the dorsal line almost 
perfectly straight, being very slightly convex toward the end, the ridge 
narrow, the sides sloping at the base, rounded toward the end, the edges a 
little inflected, without notch, 'the tip acuminate ; nostrils basal, oblong, 
operculate ; lower mandible with the angle rather short and obtuse, the 
dorsal line straight, the sides convex, the edges inflected, the tip acuminate, 
the gape-line nearly straight. 
Head of moderate size, ovate ; neck rather short ; body slender. Feet of 
moderate length, slender; tarsus longer than the middle toe, much com- 
pressed, covered anteriorly by seven scutella, posteriorly by two plates 
meeting so as to form a very thin edge ; toes small, much compressed ; hind 
toe comparatively large, lateral toes nearly equal, middle toe much longer ; 
claws moderate, well curved, much compressed, laterally grooved, acute. 
Plumage very soft and blended. Wings of moderate length, the second 
quill longest, the third scarcely shorter, the first and fourth about equal, the 
first with the outer web narrowed in its whole length, the next three toward 
the end ; secondaries long, rather narrow, rounded. Tail rather long, nearly 
even, the middle feathers being scarcely a twelfth of an inch shorter than 
the lateral. 
Bill and feet black ; iris brown. The general colour of the upper parts is 
light ash-grey, of the lower white ; the upper part of the head, and a patch 
on the wing, formed by the first row of small coverts and the secondary 
coverts, bright yellow ; a band from the bill to the eye, continued under it, 
and enlarging behind, so as to include the ear-coverts, together with the 
throat, to the extent of about an inch, black ; a white band from over the 
eyes to behind the ears, and another from the lower mandible down the side 
of the neck, enlarging as it proceeds ; the sides under the wings very pale 
ash-grey. The quills and tail-feathers are brown, edged with ash-grey ; the 
outer three feathers of the tail have a large portion of the inner web white. 
Length to end of tail inches, to end of wings ; extent of wings 7 1 ; 
bill along the ridge sX , along the edge of lower mandible T 7 ^ ; wing from 
flexure 2 r 8 2 5 tail 2i ; tarsus T 8 ^ ; hind toe T %, its claw T 3 2, middle toe fh, its 
claw t 2 2. 
Adult Female. 
The female resembles the male, but has the tints less bright, the sides of 
