BIRDS OF NORTH AND MIDDLE AMERICA. 529 



with tips of feathers pale buff and buffy white vermiculated with 

 black, the latter with large, irregular terminal spots of pale buff and 

 white, these broken, more or less, by irregular spots and zigzag lines 

 of blackish ; lower breast and upper abdomen brownish black irregu- 

 larly and narrowly barred with dull ochraceous-buff or tawny- 

 ochraceous ; sides and flanks (superficially) dull white or buffy white, 

 irregularly marbled or barred with blacldsh, the lower abdomen 

 ochraceous-buff indistinctly barred with dusky; under tail-coverts 

 immaculate ochraceous-buff; under wing-coverts dull ochraceous- 

 buff with a central (mostly concealed) area of grayish dusky, those 

 along margin of wing dusky, broadly tipped with ochraceous-buff; 

 inner webs of primaries dusky with very narrow irregular bars of 

 dull ochraceous-buff, these, on the outermost quills, not touching 

 shaft; bill dusky; legs and feet dark brownish (in dried skins) ; length 

 (skin), 248; wing, 177; tail, 128; exposed culmen, 13.5; tarsus, 

 17.5; middle toe, 17." 

 Yucatan (Chichen-Itza) . 



Antrostomus salvini (not Caprimulgus salvini Hartert) Nelson, Proc. Biol. See. 



Wash., xviii, 1905, 112, in text (Chichen-Itza, Yucatan; measurements; 



crit.&).— Cole, Bull. Mus. Comp. Zool., 1, 1906, 127 (Chichen-Itza). 

 Antrostomus nelsoni Ridgway, Proc. Biol. Soc. Wash., xxv, May 4, 1912, 90 



(Chichen-Itza, Yucatan; coll. Mus. Comp. Zool.). 



ANTROSTOMUS BADIUS Bangs and Peck. 



PECK'S WHIPPOORWILL. 



Kesembling A. nelsoni in having a conspicuous collar of tawny- 

 ochraceous, and in general pattern of coloration, but much more 

 rufescent, the general " tone " of coloration much like that of A. rufus. 



Adult female ? ^ — Pileum and nape light russet, becoming paler and 

 mixed with grayish white and pale buff laterally, vermiculated with 

 dusky, and marked with large u-regular longitudinal spots of black, 

 which become smaller or narrower on lateral portion, where some of 

 them assume the form of narrow streaks; across the hindneck a con- 

 spicuous band or collar of tawny-ochraceous, the lateral portions of 

 this with a few spots or bars of black; back and rump light russet- 

 brown, rather coarsely vermiculated with dusky and irregularly 

 streaked with black, the upper tail-coverts paler and coarsely and 

 irregularly barred with black; scapular area light russet laterally, 

 pale buffy medially, marbled or coarsely vermiculated with dusky, 

 the feathers with a large terminal irregularly serrate spot or blotch 

 of black; lesser wing-coverts bright russet irregularly barred or trans- 



« One specimen (the type). 

 b See footnote on p. 527. 



c The type (and only known specimen) was sexed by the collector as male, and was 

 80 considered by the describers; but it is almost certainly a female. 



3622°— Bull. 50, pt 6—14 34 



