BIEDS OF NOETH AND MIDDLE AMERICA. 531 



terminal and basal portions; bill dusky brown, darker terminally; 



feet dusky brownish (in dried skins); length (skin), 240; wing, 167; 



tail, 122.5; exposed culmen, 15.5; tarsus, 15; middle toe, 16.'^ 



British Honduras (Toledo District.) 



Antrostomvs badius Bangs, Proc. Biol. Soc. Wash., xxi, Feb. 29, 1908, 44 (Toledo 

 District, British Honduras; coll. E. A. and O. Bangs). 



ANTROSTOMUS RIDGWAYI Nelson. 



GUERRERO WHIPPOORWILL. 



Adult male. — General color of upper parts brownish gray, inter- 

 rupted by a conspicuous collar of deep buff or ochraceous-buff across 

 lower hindneck ; pileum minutely and indistinctly vermiculated with 

 darker, and with mesial streaks of black, these very narrow (mere 

 shaft-lines) on lateral portions but broader along median line, espec- 

 ially on crown; back, scapulars, and rump brownish gray, rather 

 coarsely vermiculated and freckled with pale dull buffy and with 

 distinct narrow black mesial streaks, the scapulars, however, with 

 more conspicuous black markings, some of them edged externally 

 by a curved bar of clear light buff, outside of which is an area of 

 pale grayish and buffy vermiculated or zigzagged with dusky; 

 wing-coverts brownish-gray and pale bufty, vermiculated with dusky 

 and with mesial streaks of black, many of the coverts (chiefly those 

 near bend of wmg) with a transverse terminal spot of light buff and a 

 subterminal spot or bar of black; inner secondaries ("tertials") 

 mottled and vermiculated with deep brownish gray or dusky and 

 pale grayish buffy, and with irregular mesial streaks of blackish; 

 remaining secondaries dusky with broken spots of buff or ochraceous- 

 buff in transverse series; primaries dull slate-blackish spotted with 

 deep buff or ochraceous-buff, their terminal portion pale buffy 

 grayish vermiculated and clouded with grayish dusky; upper taU- 

 coverts brownish gray and pale grayish buffy vermiculated and 

 mottled with dusky and with an irregular mesial streak or ragged 

 area of black; middle pair of rectrices pale brownish gray and grayish 

 buffy, vermiculated, freckled, and zigzagged with dusky, and crossed 

 by broad V-shaped bands of deeper grayish brown blotched with 

 dull black; next two pairs similar but the darker bars nearly solid 

 dull black, especiall^T- the third, which is tipped with buffy; fourth 

 and fifth (two outermost) rectrices with the blackish bars relatively 

 broader and with the terminal 35 mm. of inner web white margined 

 terminally with pale brownish buff, the fourth rectrix with the white 

 encroaching over more than inner half of outer web, but of very 

 broken or irregular outline; auricular region deep sooty brown, 

 minutely and indistinctly vermiculated or narrowly barred with 

 dusky, the malar region similar, but on the anterior and lower por- 

 tions transversely spotted or broadly barred with white; chin and 



o One specimen (the type). 



