310 AVES: PASSERES. — XLVI. 



1010. S. pusilla Latham. Bkown-headed Nuthatch. Ashy 

 blue ; crown clear brown, a whitish spot on nape ; pale rusty below. 

 L. 4. W. 2^. T. 1^. S. £. U. S., N. to Md. (Lat., weak.) 



528. PARUS Linnaeus. (Lat., a titmouse.) 

 a. Head conspicuously crested. (Lophophanes Kaup.) 



1011. P. bicolor L. Tufted Titmouse. Grayish ash, the fore- 

 head alone black ; whitish below ; sides washed with reddish. L. 6^. 

 W. 3|. T. ^\. 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. 4^. W. 2^. T. 2\. Southern, 

 N. to S. Pa. and Ind. ; often regarded as a winter resident variety 

 of the next. 



1013. P. atricapillus L. Titmouse. Black-capped Chicka- 

 dee. Grayish ash; wings and tail plain, with whitish edgings; 

 crown, nape, chin, and throat black ; cheeks white ; no white super- 

 ciUary line. L. 5. W. 2\. T. 2 J. N. Am., S. to Ind. and Va., 

 abundant ; represented N. W. by var. septentrionalis Harris ; paler, 

 with tail (2|) 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. 2f T. 2f. N. N. Am., S. to JIass. 



Family CLXXVIII. SYLVIID^. (The Old World 

 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- 

 tilince. 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 MniolUtidas. The most famous of the group is 

 the European nightingale (Luscinia lusc'mia L.). 



t*. Tarsus booted; nostril with one or more minute feathers; wings longer 



than tail. (Regulince.) Reoulus, 629. 



aa. Tarsus scutellate; wings not longer than tail. (Polioptilince.) 



POLIOPTILA, 530. 



529. REGULUS Cuvier. (Lat., dim. of rex, king — " of 

 the wrens.") 

 u. Nostril hidden by a single tin}' feather. [Hegulus.) 



1015. R. satrapa Lichtenstein. Golden-crowned Kinglet. 

 Olivaceous ; crown with a yellow patch, bordered with black, 



