258 xoirni amkrican uikds. 



Dendroica olivacea, S( fat. 



OLIVE-HEADEI) WABBLEB. 



« 



Sjtirw nfirncrft, Giuai'd, Birds T«xas, 1841, 14, pi. vii, fij,'. ± -Sri.ATEl!, P. Z. S. ISo'), 

 (>»). Siihucnln (ilicdccn, ("assin, 111. Hinls Tf.xus, t'ti'. 18r>i>, "iSiJ, pi. .xlviii. Ilhumiin- 

 I'h us ul ianms, Sci.atki:, I*. /. S. l^.j**, 'JlO \('onlova>. Ihinlntica nlicnon, Sclatkk, 

 I*. Z. S. IhaS, 2!»S (Oa.Viitii ; loUl rc^'ioii). — I B. P. Z. S. I8r»y, :iH:{ (.lalapaK — In. 

 Catal. Ihtil, :51, no. li»0. - Baikk, Utv. Am. 1>. 18«>4, -Jd."). Siilciti hvniatn, hrnis, 

 Bull. Aia<l. Bni.x. XIV, 1847, 104. — Ib. K.v. Z. 1848, 245. Sylciadu f(cniatu, Bt>N. 

 ('..lisp. 18:>0, 3«l9. 



Sp. C'iiafj. II«';u1 and neck all round, with jn«riiluin, Itrowiii.sh-.^atfron. with ;i LTeeuij;h 

 tiiiLTe on the naju-. Ki'>i .>(' uiipcr parts ashy. Aliddlr and tips of <rrejitt'r wing-coverts 

 white, lorniing two hands on the wing; a third white patch at the bases of the primaries 

 (except th«' outer two), and extending forwards along the outer edges. Secomlaries etlgi-d 

 extei'nally with olive-green. Inner webs offpiilis eonspiiMiously edged with white. Tuder 

 parts, except as desciibed, white, tinged with brownish on the sides : a narr<»w fiontal 

 band, and a broad stripe I'roni tiiis through I've and over ear-coverts. Itlaek. Outer tail- 

 leather white, except at base and towards tij); gi»'ater portion of inuei- web of next 

 leather also white, nuich more restricted on the third. Length, 4.(>0 ; wing, 2.88 : tail, 

 2.1o ; tarsus. .7-'>. 



A female specimen (14. .')(»!»). perhaps also in autumnal plumage, has the satVron replaced 

 by clear yellowish, except on the top of head and naj)e. which are olive-green. The black 

 frontal and lateral bands are replaced by whitish, leaving only a dusky patch on the ears. 



Hab. Mexico (both coast* to the southwaid) ; (luatemala. 



This species is jriveii ]»y Mr. Oiraiid as occuiTiii«2: in Texas, Init it is pos- 

 sible that he may have l)een misled as to the true locality. It may, how- 

 ever, be yet detected along the southern border of the United States. 



Xothiiiii is known of its habits. 



Dendroica nigrescens, p>a[rd. 



BLACK-THBOATED 6BAT WABBLEB. 



Sjih-io vigrescnut, TowNsFsn, J. A. N. Sc. VII, ii, 1837, 1S>1 ^('olunibia Hivcr). — Aii>. 

 «)m. Biog. V, I8.3i«, 57, pi. ccixcv. Vermivom niif. Bon. ; Nrrr. S;/lvicoI(f vuf. 

 Arn. Birds Am. II, pi. x<iv. IxInniKnplm^s ui<j. Cab. 1850. Demh-oka uiij. Baikh, 

 Birds N. Am. 1858, -270 ; \{v\. 186. — Sclatei:, P. Z. S. 1858, 298 ; 1859, 374 (Oax- 

 aca ; high niomitains in March). — Hkeb.mann, P. K. K. Kcp. X, iv, 40. — C'ooI'KK & 

 SfcKLKY, p. R. P.. Po'p. Xll, H, 1859, 180. --('oopKR, < )rn. Cal. I, 1870, 90. f SiflcM 

 Jutlscii, UinAii), Birds Tcxa.s, 1838, i>l. iii, tig. 1, 9 (suggested by Sdater), 



