524 CLASS XVI. 



Sylvicola SwAiNS. Bill sliorter than head, conical, slender, 

 broad at the base, compressed at the tip, obscurely emarginate. 

 Nostrils placed in a broad fossa at the base of bill. Bristles at the 

 angle of mouth. Wings with nine primaries, the first scarcely 

 shorter than the two following, the longest of all. Tail moderate, 

 subeven. Tarsi covered anteriorly with transverse scutes, sometimes 

 scarcely distinct, longer than middle toe. Outer toe longer than 

 inner. 



Sp. Sylvicola coronata, Motacilla coronata L. (and Motcw. canadensis L. sp. 

 27), Buff. PI. enl. 709, fig. i, Wilson Am. Ornith. PI. 17, fig. 4, PI. 45, 

 fig. 3- 



Sylvicola canadensis, Motac. canad. L. (sp. 42), Buff. PL enl. 685, 

 fig. 2, WiLS. Am. Ornith. PI. 15, fig. 7, &c. All the species of this genus 

 are from America, the most from North America. 



Mniotilta YiEiLL. Bill almost of the length of head, with culmen 

 subarched. Hallux larger than the other toes, with claw curved. 

 Tail subemarginate. 



Sp. Sylvicola varia, Motacilla varia L., Figuier varie Briss. Ornith. iii. 

 PI. 27, fig. 5, Edwabds Gleanings, PI. 300, Vieill. Gal. PI. 169, Wilson 

 Am. Ornith. i. PI. 19, fig. 3; this bird from the southern part of North 

 America, occurring also in the West Indies, creeps in the winter months 

 like Certhia, on the stem and branches of trees in quest of insects, and pecks 

 at the moss with its bill, a peculiarity from which Vieillot has derived 

 the name Mniotilta. 



Trichas SwATNS., (not Gloger, Geotlilypis Caban.). Bill 

 moderate, compressed, subulate, the gape armed with bristles. 

 Wings with first quill not equalling the fourth, third longest of all. 

 Tail rounded. (Other characters almost of the preceding genus. 

 Tarsus far surpassing the middle toe.) 



Sp. Trichas personafa, Turdus trichas L., Motacilla trichas Gmel., Buff. 

 PI. enl. 709, fig. 2, Wilson Am. Ornith. PI. 6, fig. i. 



Setophaga SwAlNS. 



On the species of this genus and on some other genera of this place, here 

 omitted, consult Bonap. Consp. p. 3x2 and foil. 



Family XLVIII. Muscica^nnw. Primaries ten, the first short. 

 Wing-coverts short. Tarsi covered anteriorly with transverse 

 scutes, posteriorly and on both sides with a continuous scute. Bill 

 broad at the base, with tip curved, emarginate. Rigid bristles at 

 the base of bill. 



