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 bro"vvn ground, the upper tail-coverts similar but with 

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

 ally, very pale brownish gray or dull grayish white medially, coai-sely 

 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 terminal portion more 

 grayish brown and with irregular markings of pale grayish bro\vn 

 and dull ochraceous-buff, disposed in 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 light 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 mrh. on outer web; fourth pair similar but wiih 

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

 shaft); fifth (outer) pair with the white termmal 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 



