528 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Adult male. — ^Pileum pale brownish gray, vermiculated and streaked 

 with black laterally and posteriorly, the central portion (extensively) 

 heavily spotted with brownish black; across hindneck a very con- 

 spicuous broad, uninterrupted band or collar of ochraceous, which 

 encircles the sides of neck and foreneck also, but broken by brownish 

 black spots and bars; back and rump coarsely vermiculated with 

 dusky and streaked with brownish black on a pale brownish gray 

 and pale buffy brown ground, the upper taH-coverts similar but with 

 coarser or heavier markings; scapular region light buflFy brown later- 

 ally, very pale brownish gray or dull grayish white medially, coarsely 

 vermiculated with dusky, the two brownish areas with large, irregular 

 spots or blotches of black; wing-coverts pale brown coarsely ver- 

 miculated with dusky, and with central or mesial irregular spots and 

 jagged streaks of black, some of the middle coverts with irregular 

 broken spots of dull whitish; inner secondaries ("tertials") mottled 

 and coarsely vermiculated with grayish dusky on a grayish white 

 and pale buffy brownish ground, and with rather broad irregular 

 mesial streaks of black; remaining secondaries dark grayish brown 

 with broken transverse spots or bars of dull ochraceous-buff ; prima- 

 ries and primary coverts duU brownish black or dark sooty brown, 

 spotted with ochraceous-buff, the former with termiaal portion more 

 grayish brown and with irregular marldngs of pale grayish brown 

 and dull ochraceous-buff, disposed ia transverse broken bands; 

 middle pair of rectrices mottled light grayish brown and pale grayish 

 buffy, irregularly marbled and coarsely vermiculated with dusky- 

 and with very irregular spots of dark sooty brown or brownish black 

 along shaft, these showing a tendency to form broken bars, in ' 'herring- 

 bone" pattern; second pair dark sooty brown or dull brownish black 

 with irregular broken spots of light ochraceous-buff and Ught grayish 

 brown, disposed in transverse series; third pair similar, but mostly 

 plain dark sooty brown, and with a terminal area of white (passing 

 into ochraceous-buff at tip) measuring, along shaft, about 22 mm. 

 on inner web and 27 mm. on outer web; fourth pair similar but with 

 the white terminal area much larger (measuring about 49 mm. along 

 shaft) ; jBf th (outer) pair with the white terminal area 58 mm. long 

 on inner web and 53 mm. on outer web; loral region mixed black and 

 tawny-ochraceous; suborbital region and posterior portion of malar 

 region black with a few scattered spots of ochraceous-buff; auricular 

 region mixed black and light brown anteriorly, light tawny or dull 

 ochraceous-buff streaked with blackish posteriorly; anterior portion 

 of malar region mostly white and buff; chin and throat brownish 

 black, barred or transversely spotted with dull buff, the lower throat 

 (superficially) buffy white, the feathers tipped with a sharply defined 

 black bar; chest and breast, posterior to the broken ochraceous-buff 

 band across lower foreneck or upper chest, brownish black, the former 



