BIRDS OF NORTH AND MIDDLE AMERICA. 501 



ochraceous, or tawny); yellowish wing-markings less distinct, 



more greenish; yellow of under parts paler. (Island of Cuba. ) 



Dendroica petechia gnndlaohi, adult male (p. 520) 



gg. Pileum with a distinct patch of tawny or rufous-chestnut, this sharply 



defined and very strongly contrasted laterally against the yellow 



of the superciliary region. 1 (Galapagos Archipelago; Cocos Island; 



coast of Ecuador and Peru?.) 



Dendroica petechia aureola, adult male (p. 521 ) 

 ff. Smaller (wing of adult male usually much less than 60, averaging less 

 than 59) ; pileum with a very distinct patch of tawny, rufous-chest- 

 nut, or chestnut. {Dendroica ruficapilla.) 

 g. Pileum tawny-ochraceous to deep tawny, the area thus colored not so 

 sharply defined. 

 h. Chest and sides more narrowly streaked with chestnut. (Islands 

 of Guadeloupe and Dominica. ) 



Dendroica ruficapilla ruficapilla, adult male (p. 523) 

 hh. Chest and sides much more heavily streaked with chestnut. 

 ;. Tawny of pileum deeper, covering forehead. (Island of Cozumel, 

 Yucatan.) ..Dendroica ruficapilla rufivertex, adult male (p. 524) 

 a. Tawny of pileum paler, becoming more yellowish or changing to 

 yellow on forehead. (Island of St. Andrews, Caribbean Sea.) 

 Dendroica ruficapilla flavida, adult male (p. 524) 

 gg. Pileum chestnut, the area thus colored sharply defined laterally and 

 posteriorly. 

 h. Pileum clear chestnut or rufous-chestnut; streaks on chest and sides 

 paler chestnut. (Island of Curasao, southern Caribbean Sea.) 

 Dendroica ruficapilla rufopileata, adult male (p. 525) 

 hh. Pileum dark chestnut or bay; streaks on chest and sides darker 

 chestnut. (Island of Barbados. ) 



Dendroica ruficapilla capitalis, adult male (p. 526) 

 dd. Chin, throat, and sides of head, aa well as pileum, chestnut or tawny. 

 e. Back, etc., darker olive-green; wing, tail, and tarsus shorter, bill longer 

 (wing 55.5-57, tail 40-43, tarsus 17-19, exposed culmen 11.5-12). (Island 

 of Martinique, Lesser Antilles. ) . .Dendroica rufigula, adult male (p. 526) 

 ee. Back, etc., lighter, more yellowish, olive-green; wing, tail, and tarsus 

 longer, bill shorter (wing not less than 60, tail not less than 45, tarsus 

 averaging 20 or more, exposed culmen 11). 

 /. Chest and sides heavily streaked with rufous-chestnut, the color of 

 throat not sharply defined posteriorly. (Isthmus of Panama and 

 Caribbean coast of Colombia; Veragua ?) 



Dendroica erithachorides, adult male (p. 527) 

 ff. Chest and sides very narrowly, if at all, streaked with dar'cer chest- 

 nut, the rufous-chestnut color of throat sharply defined posteriorly. 

 {Dendroica bryanti. ) 

 g. Head slightly lighter chestnut; chest and sides usually with more 

 numerous or broader streaks; wing averaging 65.5, tail 50. (Atlan- 

 tic coast of Central America, from Yucatan to Costa Rica. ) 



Dendroica bryanti bryanti, adult male (p. 529) 

 gg. Head slightly darker chestnut; chest and sides with fewer or nar- 

 rower streaks; wing averaging 63.2, tail 46.6. (Pacific coast of 



'Males not in fully mature plumage have less of this color on the pileum, and are 

 consequently not easily to be distinguished from those fully adult males of the pre- 

 ceding West Indian fprms having the crown most highly colored. 



