WueEn. PASSERES. SYLVIA. 191 
wards the larger end, and with a few specks dispersed over 
the rest of the surface. ‘This species seems to be of com- 
mon occurrence throughout the greater part of Europe, and, 
according to T’emminck, that of North America is precisely 
similar. 
Pirate 47. Fig. 3. Natural size. 
Head, and upper parts of the body pale oil-green, tinged General 
descrip- 
with a cinereous or grey shade. Lesser wing-coverts and Peso 
margins of quill-feathers pale sulphur-yellow. From 
the base of the bill a streak of primrose-yellow proceeds 
over the eyes; but not so well defined as that of the 
wood-wren. Cheeks and throat primrose-yellow, passing 
into sulphur-yellow on the breast. Middle of the belly 
pure white. Under tail-coverts primrose-yellow. Quills 
and tail hair-brown, the latter slightly forked, and the 
margins of the feathers yellowish-white. Wings reach- 
ing half the length of the tail. Legs yellowish-brown. 
Bill having the lower mandible yellowish, the upper 
brown, 
Genus XXVII. REGULUS. REGULUS, Cuv. 
GENERIC CHARACTERS. 
Bill straight, slender, higher than broad, compressed 
throughout its whole length, the tomia, or cutting edges, bend- 
ing inwards. Nostrils basal, ovoid, covered with small brist- 
ly feathers directed forwards. Wings having the first quill 
short ; the second considerably shorter than the third, which 
last is the longest. Feet with three toes before, and one be- 
hind; the outer toe joined at its base to the middle one ; and 
with the tarsus longer than the middle toe. 
I have been induced to separate this from the genus Sy/- 
via (in which the species composing it are included by Tem- 
mMinck and Laryam), from its possessing external characters 
