BIRDS—TYRANNINAE—EMPIDONAX TRAILLII. 193 
Comparative measurements of species, 
Catal. Species. Locality. Sex. | Length. Extent. lwing, Tail. | Tarsus. | Middle ‘Itselaw. Bill Along Specimen 
No. | | toe. above. | gape. | measured. 
2310 | Empidonax trail‘ii........| Carlisle, Pa ........ Q 4.94 | 2.62 -38 6 0.56 | 0.20 0.44 | 0.64 | Dry... eee 
dO. |o0eedO.ce0e.dO wrevececeee seccce 5. ° . seco cvslecscccce weeeeees lieehcced |{Bresh.eetee 
1025 EdOasreaedOveaces cecbod | 5.04 Gs 62 : 0.54 0.18 0.46 0.630 Drycescees 
do. PdO ve seeisdO'vies scicvecs« EDO AE el CD EOL Posews ecaitees |esemeecsil saiadaecellceauceet | Fresh...s0e 
G3 | aga Weacoadh Cy Seine coors jpacenec beara ‘led | 5. | 0.52] 0.20 | 0.44 | 0.64 
7252 | Empidonax pusillus.......| River Nueces.......| 5. 0.58 0.20 | 0.50 | 0.70 
CO.) | sera dO)eneecdO aveccce CAC boda odbacepdoakadady] batts 5. Ceeras|seeccses |evescece jrtee tees | 
LOOT eats dOscecoeOjsineecteveose|(FOrtLejon,;Cals.04| ic) ali: <os2 0.50} 0.16 | 0.50] 0.70 | Dry .... 
do. |....d0... Seines'edOseicivena'cicie'ss |lacniees 5. 
Los Nogales, Mex..|......| 5. 
.| Rocky mountains... 5. ° 2 
4.46 |.. . 2.40 | 2.40 
5.41} 8. | 2.50]...... 
4,82 |.....04.| 2.66 | 2.54 
sevccvecs| soe 5.58 eel eas 
Pennsylvania....... DBO eecairsc 3.00 | 2 
500 | ...do...... CO eiisiecisevs ..| Chester county, Pa.. 5.48 | ccceces 3.82 | 2 
9099 | Empidonax flaviventris. ..| Coban, Cent. Am,..|.. 5.20 |: vee ‘| 2.70 | 2. 
GOH | ales Oc aicieelol AO aia <celsiern'eis Racine; WisconSiliss|-ccece|oecsicies c|ecesioe cs car 2. 
DIDO! ees dO saeacee UO scseieeesi:|\Oarlisle, Pa.cs.eoss| ©! || 4.245028 c3- | 2.50 | 2. 
985}]|°.-2dOs0s00.s Goseess ose lcvaccs ore eecescases|ech 4:80 castinsre|t2076)) 2 
CS loaget (Wanpagoo tl () ooboosad toodoc GO..seeeeeeees|sceeee) 5-16 | 2. 83ii\ze 
5920 | Empidonax difficilis .| Ft. Steilacoom, W.T./...... ji) 4.86 | 2.64 | 2.44 
10079 | Empidonax hammondii...| Fort Tejon..... cose] 4,90 |....e00.| 278 | 2.50 
ow | trad Orcs sot dO secisixeis6 agewsndOrencs sale seve saanne |, 15250!) © Osabdilee sees . 
LODBO) eeesdo tes: sueidocres ee ces SS Sm PSE CPEEY Q | 4.90 ..| 2.74] 2 
GO) | sooottt hacAnsar Oaescenmage SeawecdOishsesessees|aeees Aeser eT gE tha all Baad leans Neetedl|| ressteee Weatoe eal | seca: 
7237 | Einpidonax obscurus. .... El Paso, Texas..... rot 5.14 |iseeee | 2.83 | 2.76 0.72 0.54 0.16 0.46 
Oca ease CO cetisies U0 tarsssaiceie| ssestcedOsciece @ cccccelsccece 5.37 | 8.50 | BIST |\Terasisil|ielecerscwsi|esciee6 bel ce ccicees|-secieses'lcoesiacer| 
EMPIDONAX TRAILLII, Baird. 
Traill’s Flycatcher. 
Muscicapa trailfti, Aupuson, Orn. Biog. I, 1832, 236: V, 1839, 426; pl. 45.—Is. Syn. 1839, 43 —Is. Birds Amer. I 
1840, 234; pl. 65. 
Tyrannula traillii, Ricu. List, 1837.—Bonap. List, 1838. 
Tyrannus trailliit, Nurrati, Man. I, 2d ed. 1840, 323. 
Sp. Cx.—Third quill longest ; second scarcely shorter than fourth; first shorter than fifth, about .35 shorter than the 
longest. Primaries about .75 of an inch longer than secondaries. Tail even. Upper parts dark olive green; lighter under the 
wings, and duller and more tinged with ash on nape and sides of the neck. Centre of the crown feathers brown. A pale 
yellowish white ring (in some specimens altogether white) round the eye. Loral feathers mixed with white. Chin and throat 
white ; the breast and sides of throat light ash tinged with olive, its intensity varying in individuals, the former sometimes 
faintly tinged with olive. Sides of the breast much like the back. Middle of the belly nearly white ; sides of the belly, abdomen, 
and the lower tail coverts sulphur yellow. ‘The quills and tail feathers dark brown, as dark (if not more so) as these parts in 
C. virens. Two olivaceous yellow white bands on the wing, formed by the tips of the first and second coverts, succeeded by a 
brown one ; the edge of the first primary and of secondaries and tertials a little lighter shade of the same. The outer edge of 
the tail feathers like the back ; that of the lateral one rather lighter. Bill above dark brown; dull brownish beneath. Length 
nearly 6 inches ; wing, 2.90; tail, 2.60. : 
Hab.—Eastern United States and south to Mexico. 
The young bird is similar, but the colors are duller. The markings on the wings are more 
ochraceous. 
The body in this species is stout; tail short, very nearly even; feathers broad, distinctly 
25 b 
