BIEDS OF NOETH AND MIDDLE AMEEICA. 



81 



on which it is about 30-45 mm. in extent; lores buffy whitish, the 

 feathers with projecting black bristle-like tips; auricular region nar- 

 rowly and rather indistinctly streaked with dusky and pale buffy or 

 dull buffy whitish; under parts buff, deeper on flanks, paler on abdo- 

 men, chin, and throat; anterior portion of malar region spotted or 

 barred with dusky; sides of neck and sides of chest broadly streaked 

 with black, the black streaks sometimes margined with tawny-brown- 

 ish ; under tail-coverts dusky, sometimes tipped with tawny or rusty 

 brownish; under surface of inner webs of lateral rectrices light gray, 

 this separated from the white terminal area by a band (more or less 

 broad) of black; maxilla dull horn color, mandible mostly dull 

 yellowish or grayish (said to be bluish gray in life) ; iris brown, some- 

 tunes, at least, with a narrow ring of yellow or orange around pupil, 

 or** mostly pearly yellow; bare orbital space blue and white or blue, 

 white, and red;^ legs and feet livid bluish.'^ 



Young. — Similar to adults, but markings much less sharply defined, 

 especially those on upper parts, where dull buffy mostly replaces the 

 white streaks and edgmgs of the adults. 



Adult male.— Length, (skins), 385-515 (471); wing, 136.5-162 

 (144.2); tail, 231-305 (278.5); exposed culmen, 37-45 (40.5) ; tarsus, 

 46-54 (50); outer anterior toe, 27-32 (30.6). '^ 



Adult Jfemale.— Length (skins), 420-505 (469); wmg, 138.5-146 

 (142.1); tail, 242-294 (273.9); exposed culmen, 37.5-41 (39.6); 

 tarsus, 47-50 (48.9) ; outer anterior toe, 27.5-31 (28)." 



« According to W. DeW. Miller. 



b According to Sumichrast (Bull. U. S. Nat. Mua., no. 4, 1876, 34) the orbital skin 

 is "blue and red" ; according to Dearborn (Pub. 125, Field Mus. Nat. Hist., 1907, 87), 

 the eyelids are white, the bare ocular area varying from lavender near lids to campa- 

 nula blue on the postocular portion. 



c Sumichrast. 



<^ Thirty-two specimens. 



« Ten specimens. 



Locality. 



MALES. 



Ten adult males from western Mexico (Jalisco, Sinaloa, and 



Tepic) 



One adult male from Michoacan 



Four adult males from Oaxaca 



Two adult males from Vera Cruz 



Seven adult males from Yucatan 



One adult male from Chiapas 



Four adult males from Guatemala 



Three adult males from Nicaragua , 



FEMALES. 



Seven adult females from western Mexico 



One adult female from Yucatan 



One adult female from Chiapas 



One adult female from Guatemala 



Wing. 



144.3 



154 



144 



145.2 



138.9 



148 



146.6 



148 



143.3 

 142 

 140.5 

 146 



Tail. 



282.1 



303 



279.2 



285.5 



256.7 



304 



289.5 



281 



279.9 

 265 

 273 

 242 



Ex- 

 posed 

 culmen. 



40.3 



42 



42 



41 



40.5 



40 



39.2 



40.2 



40.2 

 39 

 38 

 37.5 



Outer 

 Tarsus, [anterior 

 toe. 



51.1 



52.5 



51.1 



48.5 



47.6 



49 



49.9 



51 



48.9 

 47 

 50 

 49.5 



33.9 



20.5 



29.5 



30 



27.9 



28 



29.4 



29.7 



28.9 

 28 

 31 

 29 



1957°— Bull. 50, pt 7—16—6 



