DARTFORD WARBLER. 
123 
Tlie CRtire length of this species is five inches and a 
quarter. The wings, from the carpus to the tip, measure 
two inches; the middle feathers of the tail are two inches and a 
half in length, and extend two inches beyond the closed wings; 
the outer feathers are nearly half an inch shorter than those in 
the centre. The beak is of moderate thickness, and measures 
six lines from the point to the gape. The tarsi measure 
eight lines. 
The whole upper plumage of the adult male is very dark 
slate grey, darkest on the head and ear-coverts ; the hair¬ 
like feathers of the back are strongly tinged with olive- 
brown, The wings are blackish-brown, narrowly edged 
with rusty-olive; the tertials and greater coverts more broadly 
edged with the same. The throat, neck, breast, and flanks, 
are deep ferruginous, the middle of the belly white. The 
tail feathers are dusky, edged with hoary ash, the two cen¬ 
tral ones almost entirely of that colour. The beak is black, 
the base of the under mandible whitish. The iris and eye¬ 
lids are yellow; the legs yellow. 
The female and young differ but little, except in being 
rather paler. 
The egg of the Dartford Warbler is figured 69. 
