194 
AVES. 
irides black ; legs and toes yellowish-brown. Five inches and 
a half long. Inhabits Europe. 
. Sylvia atricapilla. —The Black-Cap Warbler. 
Plate XL1V. tig. 6. 
Forehead, crown, and occiput, black ; neck and breast gray; 
upper parts of the body gray, tinged with green ; abdomen and 
crissum pale cinereous; legs and feet bluish.gray. Five inches 
and a half long. Inhabits Europe. 
Sylvia phoenicurus. — The Redstart. 
Plate XLIV. fig. 7. 
Forehead white; vertex and back part of the neck deep blue- 
gray ; chin, gula, and jugulum, black; breast, rump, hypochon¬ 
dria, and side tail feathers, reddish-orange, the two middle rec- 
trices, are clove-brown; epigastrium and crissum grayish-black, 
the second and sixth feathers being of equal length; feet and 
legs black. 
Genus 30.—REGULUS.— Cuvier. 
Generic Character. —Bill straight, slender, deeper than broad, 
compressed, edges inflected ; nostrils basal, ovoid, covered by 
small nuchal bristles, directed forwards ; first quills of the wings 
short, the second considerably shorter than the third, which is 
longer than the rest; tarsus longer than the middle toe, to 
which the outer one is joined at its base. 
Reijulus auricapillus. — The Gold-Crested Regulus. 
Plate XLIV. fig. 9. 
Bill black, subulate; feathers of the head elongated, of a silky 
texture, and of a rich golden yellow; on each side of the crest 
there is a list of black; cheeks and upper parts pale yellow; 
quills brownish-black ; legs and feet brown, and very slender. 
Three inches and a half long. Inhabits Europe. 
Genus 31.—TROGLODYTES. — Cuvier. 
Generic Character. —Bill slender, slightly compressed, emar- 
ginated, curved ; nostrils basal, half covered by an arcuated 
membrane ; wings short, rounded, with the first quill very short, 
the second considerably shorter than the third, the fourth and 
