SYLVICOLID.E — THE WARBLERS. 



207 



Eyelids dusky (oxoopt iis 9)? '^ I'lack patrh on jnjruluiu of ^. 9- 

 Throat tinp'tl with yellow. I/ah. Eastern Province of Xorth Aiiicrita; 

 in winter south to Tanania mw. phil a rl el ph i a . 



F^yelids whitf; no lil;v<k patch on jnjrnlinn. 9* Throat not tin,i:»'<l 

 with y«'llo\v. Hah. W<'st«Tn and Middle Province of United States : 

 in winter south to Costa Rica (Western Coast) . var. mucgilUvrayi. 



26017 



Geothljrpis trichas, Cx\^\s. 



MABTLiOfD TELLOW-THBOAT ; BLACK-MASSED GBOTTKD WABBLEB. 



Tiirdus trichif.s, Linn. S. N. ITM, 29:i. Si/h-i't tricluis. Lath. ; Aid., etc. Oenfhh/pi.'i 

 trirhns. Cab. Mus. IL-iii. 18:>0, 16. — HAiiin, liirds N. Am. 241; Hcv. 220. — r.ryp- 

 LAcii, Cab. Jour. 1861, 326 (< 'uba). — Sclatki:, Catal. 1861, 27, no. 167. — MAiirir, 

 Pr. A. X. Se. 1863, 293. — Loitn, Pr. K. Art. Inst. Woolwith, IV, 1864, 115 (X. W. 

 Houndary). — Jones, Nat. IVnnuda, 29. — Samuels, 205. — Coofeu, Orn. Cal. I, 

 1870, 95. Siflviit viin'ilaiidtof, Wilson. Trichas mar. Bon. Reguhix mustaccics, 

 Stephens. Trichas pcrsonatiiSt Swainson. Sjlvia roscoe, AuD. Trichas brachifduc- 

 fijlHs, Swains, 



Other localities nuoted : Xalapa, Oajraca, Conlova, ScL. GnaUmala, ScL. & Salv. Bcha- 

 mas, liuvANT. Cosffi Jiim, Cab. ; Lawr. Orizafta (autumn). Sum. Yncafan, Lawu. 



Figures: ViEiix. Ois, II, pi. xxviii, xxix. — Aun. Orn. Biog. I, II, V, pi. xxiii, cii, coxl. 

 — WiLs. I, pi. vi, fig. 1. - BUFFON, Pi. enl. 709, fig. 2. 



Sp. Char. (No. 2G,024 ^.) Winufs a little shorter than the somewhat graduated tail. 

 Bill slender, the depth contained about two and a half 

 times in distance from nostrils to tip. First quill about 

 equal to seventh. Forehead to above the anterior edge 

 of the eye, and across the entire cheeks, ears, .ind jaws, 

 and ending in an angle on sides of neek, black, with a 

 sufTusion ofhoarv bluish-irrav behind it on thecrown and 

 sides of neck; the occipital and nuchal region grayish- 

 brown, passing insensibly into the olive-green of the up- 

 per parts. Chin, throat, jugulum, edge of wing and cris- 

 sum rich yellow (the latter paler) ; rest of under parts, 

 with lining of wings, yellowish-white, the sides tinged 

 with brownish ; outer primary edged with whitish, the others with olive-green. Bill black ; 

 legs yellowish. Total length, 4.40; wing, 2.15; tail, 2.30; graduation, .2~)\ width of outer 

 tail-feather, .28 ; dillerence between lirst and third qui'ls, .15; length of bill from forehead, 

 ..52; from nostril, ..'iO ; along gape, .00: tarsus, .75; middle toe and claw, ,GG; claw alone, 

 .18; hind toe and claw, .48 ; elaw alone, ,20, 



Male in winter, an<l the female, without the black mask; the forehead tinged with 

 brown, the yellow of the throat less extended, the eyelids whitish, and a 3'ellowish super- 

 ciliary line. 



Hab, The whole Uiiitetl States, from Atlantic to Pacific, and south to Costa Rica; Ber- 

 muda (October) ; Bahamjis ; Cuba ; Jamaica. 



The young bill is brownish-olive above, becoming more virescent on the 

 rump and tail ; eyelids, and whole lower ])arts, soft light buft', with a faint 

 tinge of yellow on the breast and lower tail-coverts, 



Tliere is very much variation nianifested in a large series (containing more 



than one hundred and thirty specimens, principally Xorth American), though 



38 



Geothlypis trichas. 



