BIEDS OF NORTH AND MIDDLE AMEBIOA. 529 



jiih. tips of feathers pale buff and buffy white vermiculated with 

 lack, the latter with large, irregular termiaal spots of pale buff and 

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

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

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

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

 uegularly marbled or barred with blackish, the lower abdomen 

 chraceous-buff indistinctly barred with dusky; under taU-coverts 

 mmaculate ochraceous-buff; under wing-coverts duU ochraceous- 

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

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

 oner webs of primaries dusky with very narrow irregular bars of 

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

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

 skin), 248; whig, 177; taU, 128; exposed culmen, 13.5; tarsus, 

 .7.5; middle toe, 17." 

 Yucatan (Chichen-Itza) . 



Antrostorrms salvini (not Caprimulgus salvini Hartert) Nelson, Proc. Biol. Soc. 



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



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

 Antrostomiis nelsoni Ridgwat, Proc. Biol. Soc. Wash., xxv, May 4, 1912, 90 



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



ANTROSTOMUS BADIUS Bangs and Peck. 



PECK'S WHIPPOOKWILL. 



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

 )chraceous, and in general pattern of coloration, but much more 

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



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

 nixed with grayish white and pale buff laterally, vermiculated with 

 lusky, and marked with large irregular longitudinal spots of black, 

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

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

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

 rhis with a few spots or bars of black; back and rump Hght russet- 

 )rown, rather coarsely vermiculated with dusky and irregularly 

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

 rregularly barred with black; scapular area light russet laterally, 

 )ale buffy medially, marbled or coarsely vermiculated with dusky, 

 he feathers with a large terminal irregularly serrate spot or blotch 

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



1 One specimen (the type). 

 6 See footnote on p. 527. 



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

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



3622°— Bull. 50, pt 6—14 34 



