216 NORTH AMERICAN BIRDS. 



Creei>er as is the Mniotiltn rarin ; creepins? not only along tlie branches, but 

 the cornices and lattices of buildings, with the facility of a Nuthatcli (Sifftf). 

 IJoth tliese species, however, may often be seen hopping among the foliage 

 of the trees, now and then snapping an insect on the wing, in the manner 

 of others of the family. 



Species and Varieties. 



Inner webs of tail-feathers with a lurj^e patch, or broad edge, of yellow . Gnorp A. 

 Inner \vel)s of tail-li-athers with a large patch, or broad edge, of white. 



Wings with conspicuons white markings Grocp R. 



Whigs without conspicuous white markings* Group C. 



Group A. — Golden Warblers. 



Rump and erissnm without rufous markings Series I. 



Rump and crissum with rufous markings Se7'ies II. 



tSeries I. 



Prevailing color rich yellow, shaded on upper parts with olive-green. ^ with 

 streaks of chestnut across the breast and along the sides, and with or witlumt 

 a greater or less tinge of tlie same on the crown. 9 with the streaks beneath 

 obsolete or endrely wanting; no rufous on crown. Juv. paler and duller than 

 the 9 . sometimes quite ashy. 



A* Tarsus less than .Go of an inch. Outer webs of tail-feathers with yellow pre- 

 dominating. 



1, D. sestiva. Crown generally pure yellow, sometimes with only a 

 tinge of rufous; lower webs of wing-coverts and tertials pure yellow ; 

 rump and upper taiW-overts much mixed with the same. Wing- 

 formnla,' 1 = 2, 3 ; wing. 2.(50 ; tail, 2.05 ; bill, from nostril, ..'50 ; tarsus, 



02. Ilab. Entire continent of North America ; in winter south to 

 Bogota and Cayenne; Trinidad (only lo<'ality in West Indies). 



B. Tarsus not less than .70 of an inch. Outer webs of tail-feathers with dusky 

 predominating. 



a. Crown witliout any rufous, or with only a tinge. 



2. D. petechia. Xajte oJire-tjreen (except in /'"'.) ^ sitUx sfrfiked (ex; 

 eept in j'(v.). Crown greenish, sometimes tinged with orange-rufous 

 anteriorly ; lower webs of wing-coverts, etc., not pure yellow, and rump 

 and unper tail-coverts with(»ut any admixture of yellow. Hnh. West 

 Indies (except Barbadoes and Trinidad) ; not on the Continent. 



Lower part of throat sireaked ; outer webs of wing-coverts 

 hanlly appreciably different from the general surface. Above 

 golden yellowish-olive; crown generall without a trace of rufous. 

 Wing-fornmla, 2 = 3, 4, 1, 5; wing. 2..>r> ; tail, 2.10; bill, .30; 

 tarsus, .80. Hah. Cuba and the Bahamas . . var. gun dl arh i :' 



Lower part of throat not streaked ; outer webs of wing-coverts 

 decidedly yellowish, and quite diflferent from the general surface. 

 Above greenish yellow-olive ; crown almost always strongly tinged 



1 Or if with white markings, the prevailing color yellow, as in D. pinus, in which only the 

 adult (J has the wing-bauds ashy-white. 



'^ The wing-fonnula, though varying among individuals, is nevertheless in a measure charac- 

 teristic. An average specimen is in each case chosen. 



* />, gundlachi, Baihd, Review Am. B. I, 1S65, 197. 



