svi,v[coLiiu<: — Tiric wahhlkhs. 250 



stiviik lirnwii; the ihinl liroun, with a tcniiinal iiariow wiiilc sircak. Hill l.lack : I'cct 

 lii-dWii. LciiMlli. 1.7(1: Willi;-, L'..".!!; tail. 2.H». 



IIaii. Wi'slcni and Miildlc I'lov iiiivs of Kiiilcd Stati's. Migratory s.iiilliward into 

 Wi'stcni .\[cxic() (Oaxaca): Ori/aha (uinlcr, Si mii-mhasi,). 



Ft'iiiiilo (Ti.'vJT:?, East Hiiiiil.ul(lt Mdinitiiiiis, Xov., July U). Siinilnr to 

 tlie male, but crown ash mcilially stmikcil witli Mack, instead of continuous 

 Mack; llie streaks on hack narrow and inconsi)icuons ; tlic Mack of tlio 

 throat contincd to tlic jiinnlnni, apiteariui,' in s|iots only on anterior half. A 

 youn<f feinalt! (No. r);;,;i7(i, Kn.st Ilnniholilt Mountains, Anjiust l(t) is plain 

 brownish-ash above, lacking entirely the streaks on tin; back, and those on 

 sides of crown extremely obsolete. Thei'e is no black whatever on throat or 

 .jugulnin, which, with tiie wc^ll-deHned supra-loral stri])e and lower parts in 

 general, are soiled white, more brownish laterallv. The other features, includiii'' 

 the yellow sjiot over the lores, with the wing and tail markings, are inuch as 

 in the adult. A young male (olVfiT;"*), same hicality and date, dillers from the 

 last in having tiie sides of the (trown black, and the throat-patch almost 

 comiilete, but nnicii h.idden by the broad wiiite borders to the feathers. An 

 adult autnnmal male (7,*)'.t(), Calaveras Ijiver) is like the spring adult, but 

 the ash is overspread iiy lirownish, nearly obliterating the dorsal streaks, and 

 dividing the iilack of tlu; crown ; the i>lack throat-jiatch is perfectly defined, 

 but much oliscurcd by white liorders to the feathers. 



Hahits. Tiie IMack-throated (J ray or Dusky Warbler, so far as is now 

 known, belongs to the Western and Middle Provinces, occurring certainly 

 us far to the south as San Diego, in California, and as far to the mn-th as Fort 

 -Steilacoom, in Washington Territm-y, penetrating in wintev into ^Mexico. 

 The most easterly localititis in which it has Ixjen met with are in Arizona 

 and New Mexico. The Smithsonian Institution has received specimens also 

 from t!olnmbia Iliver, Calaveras, Cal., and Fort Defiance. 



This species was first obtained and de.scrilied by Mr. Towusend, who found 

 it alnnidant in tlie forests of the Cobnubia, where it lireeds and remahis 

 initil nearly winter. Its nest, which he there met with, resembles that of 

 I'ltni/a inncririinii, oidy it is made of the long and fibrous green mo.s.s, or 

 Usnm, peculiar to that region, and is placed among the npjier branches of 

 oak-trees, suspended lietween two small twigs. 



jMr. Xnttall stales that it arrives on the Cobuubia early in Afay, and from 

 the manner in which its .song was delivered at intervals, in the to])s of decidu- 

 ous trees, he had no doui)t that they were breeding in those forests as early 

 as May 23. This song he describes iis delicate, but monotonous, uttered as 

 it busily and intently searches every leafy bough and expanding bud for 

 insects and their larva' in the spreading oak, in which it utters its solitary 

 notes. Its song is repeated at .sliort and regular intervals, and is said l)y Mr. 

 Xuttall to bear some resemblance to f-slir('-f.slitl;/-fs/iiii/s/irr, yuryin'^ the feeble 

 sound very little, and with tlie coniduding note somewhat slenderlv and 

 ])laiutively raised. Dr. Suckley sjieaks of this l)ird as nujderately abundant 



