216 NORTH AMERICAN BIRDS. 



Creeper as is tlie Miiiofiff/i rtirio ; creeping not only along the branches, but 

 the cornices ami lattices of buildings, with the facility of a Nuthatch (Sitfn). 

 Both these species, however, may often be seen hop))ing ixmong the ioliagt; 

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

 of others of the family. 



Species and Varieties. 

 Inner wclis of t.iil-foathors with ii hirj;;o p.itoli, or broad cilgo, of yellow . Guot'P A. 

 Inner wel)s of tail-feathers with a larpe patch, or broad edj^e, of while. 



Wings with conspienons white niarkinjjrs Ghoit H. 



Wings without conspicuous white markings' Guoup C 



Oroup A. — (lohhii Warhlcm. 



Rump and crissnm without rufous markings Sm'rs I. 



Riuiip and crissuni with rufous markings Scries [I. 



Series I. 



Previiiling color rich yellow, shaded on npper parts with olive-green. $ with 

 streaks of chestnut across the breast and along the sides, and with or without 

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

 obsolete or entirely wanting; no rufous on crown. Jnv. paler and duller than 

 the 9i ' ometinies fpiite ashy. 



A« Tarsus less than .G5 of an inch. Outer webs of tail-feathers with yellow pre- 

 dominating. 



1. D. aestiva. ("rown generally pure yellow, sometimes with only a 

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

 rump and upper tail-coverts much mi.xed with the same. Wing- 

 fornnda,' I = 2, 3 ; wing, 'i.liO; tail, '2.0r>; bill, from nostril, ..'iO ; tarsus, 

 (I'i. Ilah. Entire contiiu'Ut of North America; in winter .south to 

 Bogota and Cayenne; Trinidad (only locality in West Indies). 



B« Tarsus not less than .70 of an inch. Outer wubs of tail-fcailiers with dusky 

 predominating. 



(/. Cn.wn withoM' any rufous, or with only a tinge. 



2. D. petechia. Xn/ir Dlirr-i/rern (e.vi'C])t in /")■.) ^ side^^ slretiheil (cx; 

 *cept in jiir.). Crown greenish, sometimes tingeil with oiange-rufous 



nntt-riorly ; lower webs of wing-coverts, etc., not i>urc yellow, and rum|) 

 and ii|)per tail-coverts without any adniixtun^ of yellow. I/ub. West 

 Indies (e.xeept Barbadocs and Trinidad) ; not on the Continent. 



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



liardly appreciably dilferent from the general surface. Above 



golden yelliiwish-olive; crown generally without a trace of rufous. 



Wing-formula, 2 = a, 4, 1, 5; wing. 2..V) ; tail, 2.10; l)ill, .:10 ; 



tnr.sus. .80. //<//>. Cuba and the Bahamas . . var. n ini ill a r li i .' 

 Lower |)art of throat not streaked; outer webs of wing-coverts 



decidcilly yellowish, nn<l ijuite dilferent from the general surface. 

 ' Aliove greenish ydlow-olivc ; crown almost always strongly tinged 



1 Or if with wliitc markings, the lacviiiliiig coliu' yi'lluw, ns in J>. piiiiis, in which oidy lln' 

 ndtdt (J has the wiiig-hinids asliywliitc. 



'■* Till' wiiig-fnrnmlii, though varying among individuals, is ncvcrthidi'ss in u measure cliarin- 

 tcristii'. .\ii avcrngi' s|H'(iiiM'U is in cjuh ciisi' cluisi'ii. 



■ J>. gumlliuhi, It.vilin, H.vicw Am. H. I, b'Mlf), 197. 



