296 Noirni amkuk.an hjijds. 



Synopsis of Species. 



Throat yellow . . o . . 



Ihroiitnsh .... ., . . , 



Irenes 11. 



Sciien I. 



A. Blnok mask oxtondinp: benonth the oyo and on the aiiriculars. 



1. O. trlchas. lilack mask liortlered along it.s jKistciior edge with pale a.shy 



01- whitish: maxiliiu black. .Soxes dissimilai-. ?. Olive-brown above"; 



throat only, distinctly yell,.w; no black mask. J„r. Without either black 



or j)iire yellow; above oiive-brown, like ?, beneath pale oehraceous-bufl-. 



Abdom.'ii almost always whitish ; oeeipnt russet-olive. Hill. Croni 



nostril, .30; tarsiLs,. 70; wing, 2.2o; tail, 2.1-,. J/ub. Whole of Tniied 



States; in winter most of West Indie.'*, and Middle Amcriea, north to 



Guatemala .... ^ ■ i 



, . •••... var. t r If h ii n . 



Colors snmlar; abdomen yellow. Bill, .4r) ; tarsus, .00; win" 2.50- 

 tail, 2.;-i0. //aft. Nassau; New Provi.lence; liahamas .' vm'. ro^Uruta ^ 

 Abdomen bright yellow ; oeeijiut whitish-ash tinged with yellow. ]5ill, 

 .32; tarsus, .75; wing, 2.45; tail, 2.50. JJub. 'Eastern iM.'xieo f,Ta- 



lapa?) , , 



r, „ ^■'"'- me la no IIS.' 



2. O. asquinoctialis. Itlack mask not bordered posteriorly by ashy or 

 \ylnlish; much narrower on tbivhead than on anriculars; inaxillic yellow. 

 Sexes similar. 



Black of the anriculars bordered posteriorly liy th(> olive-green of th(! 

 neck. Bill. .17 deep; wing, 2.50 ; tail. 2.35. Hab. Xortheast South 

 Atnerica (Cayenne, Trinidad, etc.) .... xav. w.jui n o ct iali s.' 

 Black of the auricnlars bordered posteriorly by the ash of the crown. 

 Bill, .14 deep; wing, 2.40; tail, 2.50. //r,6. Brazil . . vav.velata.* 

 B. Black ma.sk not extending underneath the eye, but confined to lores and 

 frontlet. 



3. G. poliocephala. Bill much as in Gramilelhis. Above olive-green ; the 

 crown light ash ; beneath yellow. 8exi>s dissimilar. 



Eyelids white; nape and anriculars (.live-gre<'n ; alMlnmen whitish. 

 Bill, ..30, .15 deep; wing, .2.20 ; tail. 2..-.0. Hab. West i[exico (Ma- 



'^"''"",* \nv. poli ore jihnhi? 



Eyelids black; nape and au'.iciilars ashy; alulomen wholly yellow. 

 Bill, .3,5, .18 deep ; wing, 2.40 ; tail, 2..50. Ilab. Guatemala (Hetalu- 



'^'"•' ■ var. caiiiniicha.' 



Series If. 

 4. G. philaaelphia. Head all round ashy ; lores only, black. Sexes nearly 

 similar. 



1 aeothhiim rosfmlm, niiYANT, Pr. Host. Soc. N. H. Maroli, 18(57, (i7, liiagua. 

 '•* ','<-u//iliijiis 111,'bninps, lUiHi), Review Am. Hi \, I, Ajail, 180.5, p. 222. 

 3 '■•inf/ili/pis aiiiiiimlialis H'\n\s\!i), B.uisn, Kev. I, p. 221. {Muhidlla im. (iMi:i,i.N S \ 

 I, 17.S,S, <t72.) •, ■ . . 



♦ Oeollilii/m vclala (Cailvxis), Baiiid, Rev. I, 223. (Salvia vcl. ViKii.L. Oi.s. Am Sept II 

 1807, 22, 1,1. Ix.xiv.) • ' ' 



* a,n/lif,f,iis),u/i,ii;/il,„/,i, |Jaii!I>, Review Am. nirds, I, April, 18(i5, p. 22.',. 

 ■ • Geothljijiis jinliiHVjihiiln, var. mniiiiir/ni, RtiHiWAV. 



The a. s/,,rios,i, Sci,. (!'. 7. ir 417; and llUKi., Rev. ISfil, p. 22.'?), from Mexico, and 

 O. semi/l,,n,s, Sc... (P. Z. .S. !«-> . ,;i, 2!.l. -- Haiud, Rev. I, 18til, 223), fron. Ecuador, are 

 species allied t<, O. tnvhis, and ,M,..sil.ly ivfcrable to it. The original descriptions afford no 

 tangible distinctive character.s. It is barely possible, however, that they an; distinct. 



