310 AVES: PASSERES. — XLVI. 
1010. S. pusilla Latham. Brown-HEADED Nutuatcu. Ashy 
blue; crown clear brown, a whitish spot on nape; pale rusty below. 
L.4. W.2k. T.14. S, E.U.S., N.to Md. (Lat., weak.) 
528. PARUS Linnezus. (Lat., a titmouse.) 
a. Head conspicuously crested. (Lophophanes Kaup.) 
1011. P. bicolor L. Turrrep Tirmovuse. Grayish ash, the fore- 
head alone black ; whitish below; sides washed with reddish. L. 6}. 
W. 34. T. 384. E. U. S., southerly, N. to Mich.; abundant in 
woodland and remarkable for its loud, cheerful whistle. 
aa. Head not crested. (Parus.) 
1012. P. carolinensis Audubon. SOUTHERN CHICKADEE. Sim- 
ilar to the next; tertials and greater wing coverts without whitish 
edgings; smaller; tail shorter. L.43. W. 24. T. 24. Southern, 
N. to S. Pa. and Ind.; often regarded as a winter resident variety 
of the next. 
1013. P. atricapillus L. Titmouse. BLack-caprEeD CHICKA- 
DEE. Grayish ash; wings and tail plain, with whitish edgings ; 
crown, nape, chin, and throat black; cheeks white; no white super- 
ciliary line. L. 5. W. 2}. T. 24. N. Am., S. to Ind. and Va., 
abundant ; represented N. W. by var. septentrionalis Harris; paler, 
with tail (23) longer than wings. (Lat., black-haired.) 
1014. P. hudsonicus Forster. Olive brown; crown browner; 
some pale chestnut below; throat black; a white stripe through 
eye. L.5. W. 2%. T. 23. N.N. Am, 8. to Mass. 
Famiry CLXXVUI. SYLVIIDAl. (Tue OLp Worip 
WARBLERS. ) 
Diminutive Thrushes. Primaries 10, the first short. Bill slen- 
der, depressed at base, notched and decurved at tip. Rictus with 
bristles ; nostrils oval. Tarsus usually booted, scutellate in Poliop- 
tiling. Basal joint of middle toe attached its whole length exter- 
nally, half way internally. A large family of nearly 600 species of 
small birds, chiefly of the Old World, where they fill the place taken 
in America by the Mniotiltide. The most famous of the group is 
the European nightingale (Luscinia luscinia L.). 
u. Tarsus booted; nostril with one or more minute feathers; wings longer 
than tail. (Reguline.) CHC RE eRe a Ss REGULUS, 529. 
aa. Tarsus scutellate; wings not longer than tail. (Polioptiline.) 
Po.topTia, 580. 
529. REGULUS Cuvier. (Lat., dim. of rez, king — “of 
the wrens.”) 
a. Nostril hidden by a single tiny feather. (Regulus.) 
1015. R. satrapa Lichtenstein. GoLDEN-CROWNED KINGLET. 
Olivaceous; crown with a yellow patch, bordered with black, 
