218 NORTH AMERICAN BIRDS. 



Breast and sides with only very narrow or scarcely appreciable streaks of 

 rufous ; outer webs of wing-coverts, etc., scarcely different from general 

 snrface. 



Rufous of the bead confined to it, and abruptly defined all round. 

 Wiug-formula, 3, 2 = 4, 1. 5; wing, 2.70; tail, 2.25; bill, .Z\ ■ 

 tarsus, .72. Hnh. Mexico (from Honduras and Yucatan to Ma- 

 zatlau) ......... var. bry a n t i .' 



Series II. 



Prevailing color yellow ; crown, rump, and crissum with spots of rufous ; a 

 band of the same on the side of the head, from bill (meeting both on forehead 

 and on chin) around eye and over ear-coverts. 

 6. D. eoa.'' Hah. Jamaica (Gosse). 



Group B. 



Base of primaries with white patch. 



Two white bands on wing Series I. 



No white bands on wing ' Series II. 



Base of primaries without white patch. 

 Rump yellow. 



Crown with a yellow spot ........ Series III. 



Crown without a yellow spot Series IV. 



Rump not yellow. 



Throat white (with black streaks in slriatn and pliarelrn') . . Series V. 



Throat yellow or orange Series VI. 



Throat black, or mixed with black Series VII. 



Series I. 



7. D. olivacea. (J. Head and neck, all round, fine light orange- 

 rufous ; a broad black " spectacle " along side of the head. 9 • Head 

 yellowish, dusky on top ; spectacle obsolete. Hub. Whole of Eastern 

 Mexico ; Guatemala. 



Series II. 



8. D. Ceerulescens. ^. Head dark blue above and black underneath ; 

 a black patch covciing whole lateral and under side of head and lateral 

 lower parts. Rest of upper parts dark blue ; bases of primaries and 

 abdomen pure white. 9 . Above olive, with a light superciliary stripe ; 

 beneath wholly light greenish-buff; base of primaries white. Hah. 

 Eastern Province of United States ; in winter south into Cuba, Jamaica, 

 and St. Domingo. 



propriety be used, as nnder that head he includes specimens from Cartliagena (true vicilloti), 

 Costa Eica, and Me.\ico (the latter bryanti). 



1 D. vieilluti, var. bri/anti, Ridgvv.w. 



2 Sylvicola eoa, GosSE, Birds of .liuiiuica, 1847, 1.58; Illustrations Bird.s Jam. Dcndroica coa, 

 B.MKD, Rev. 195. The true jiosition of this species is very uncertain, awing to the iniperfoet 

 description, or rather the incomplete plumage, of the types. There is no doubt, however, that it 

 is entirely different from any other, and in its having, as expressly stated, the inner webs yellow, 

 thus bringing it into close relation with the " (iolden M'arblers." 



