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WOOD WARBLER. 
brown on the under tail coverts ; the centre of the 
belly white ; the tail is cuneated, having the outer 
feather (tipped with grayish white) about half an 
inch shorter, the others gently graduating ; the 
legs and feet are sienna yellow. The female and 
young birds have the colours less distinct, and 
have the chin marked with triangular spots of 
reddish white, running in lines. These are said 
to disappear with age, and this part in the full 
breeding state to become uniform in its tint 
Our next British genus is that of the true 
Warblers, all arboreal in their habits, exhibiting 
great activity, insectivorous, or nearly so, and 
regularly migratory. The nest is built on the 
ground, having an entrance on one side. 
Sylvia, Lath . — Generic characters.— Bill 
slender, rather dilated at the base, and 
very weakly bristled ; wings moderate, the 
third and fourth quill longest, the first very 
short ; tail sub-furcate ; feet slender, hind 
toe and claw proportionally strong. S. 
trochilus, Selby, &c. 
Note. — Form, slender, arboreal, breed on the 
ground. 
The Wood Warbler, Sylvia sibilatrix, 
Bechst . — Wood Wren, Yellow Willow Wren, 
Wood Warbler of British authors. — The three 
species, which constitute the British portion of 
