SYLVICOTJD.E — THE WAKlil.KKS. 221 



Senes VTl 

 Throat black in ^, mixed with black in 9* 

 A. Sitles stifukc'd; bhuk of throat with its posterior outline concave. 



a. Side of head ■white and black. 



1!). D. nigrescens. A small yellow spot over the lore ; above ash ; be- 

 neath white. ^. Whole crown, uiiifortn jj^lossy black ; back streaked 

 with black. 9 . Crown ash streaked with black ; throat tnixed with white 

 anteriorly. Jnv. Crown and cheeks a.-:hy ; throat nio.^tly white; back 

 without streaks. Hah. Western and Middle Province of United States, 

 south, in winter, into Western Mexico (C)axaca). 



b. Side of head yellow and black, or yellow and olive. 



Black of throat corerinf/jntjuhnit ; a hidden yellow spot in middle of forehead, 



20. D. chrysopareia. Black al»ove, pure white below ; no tinjj:e of yel- 

 low behind the black juL'ular patch. Hub. Eastern Middle America, 

 from (jruatemala to Texas (San Antonio). 



21. D. virens. 01ive-«rreen above, the crown and back without streaks ; 

 beneath white, the breast and anal re;riou tintrcd with black. Hah. 

 Eiustern Province of North America, from Greenland to Panama; Cuba; 

 Oaxaca; Helig:oland, Europe! 



Black of throat confined anteriorly to thejvqnlum ; no yellow spot on forehead. 



22. D. tO'VTnsendi. Above olive-jrrccn, the crown and back with con- 

 spicuous black streaks ; beneath yellow anteriorly, and white posteriorly. 

 9? black of throat mixed with yellow; juv.^ no black on throat, and 

 streaks on back obsolete. Hah. North and Middle Province of United 

 States, south, in winter, into Guatemala. 



B« Sides not streaked ; black of throat with its posterior outline convex. 



23. D. occidentalis. Above ash tinged with oUve ; beneath white. 

 Head nearly all yellow. $. Top of head yellow with a few small 

 black spots ; nape black ; back streakt.'d with black ; sides pure white. 

 (9 not seen.) Juv. Yellow of crown overlaid by ohve ; above green- 

 ish-plumbeous, without any black on nape or back ; throat yellowish- 

 whitish ; sides tinged with ashy. Hah. ^^ ester n and Middle Province 

 of United States, south to Guatemala. 



Group C. 



A* Above ash ; no supra-loral stripe ; eyelids not yellow. 



24. D. kirtlaudl Above, including side of heail and neck, bluish-ash; 

 crown and back streaked with black ; beneath (except crissum) pale yel- 

 low ; breast speckled, and sides streaked with l>lack ; lores and orbital 

 region, black ; eyelids white. Hah. Eastern Province of United States 

 (Cleveland, Ohio), and Bahanuis. 



25. D. pityophila*^ Above, including side of head and neck, dull .ash; 

 the forehead and crown olive-green; crown and back not streaked; 

 beneath white ; the throat and jugulum yellow ; sides ashy ; no specks 

 on breast, nor streaks on sides, but a few along side of neck, between the 

 ash and yellow. Hah. Cuba. 



B* Olive-green or brown above ; a supra-loral stripe of yellow ; eyelids yellow. 

 a. Above olive-green, without streaks ; crissum white j sides of brea.st with 

 obsolete grayish streaks. 



* D. pUyophila, Bairi>, Rev. 208. {Sylvicola p. GrxDL. Ann. N. Y. Lye. Oct. 1855, 100. 



