BIKDS OF NORTH AND MIDDLE AMERICA. 525 



markings (mostly of transverse tendency), especially on distal por- 

 tion of the longest coverts; under wing-coverts mostly plain dull 

 ochraceous-buff or cinnamon-buff, those toward margin of wing 

 broadly and irregularly barred with dusky; inner web of primaries 

 dark sooty brown or dusky, with rather small transverse spots of 

 ochraceous-buff, these not reaching nearly to shaft, and becoming 

 obsolete on distal portion; bill deep brownish, dusky terminally 

 legs and feet brownish (in dried skm); length (skin), 235; wing, 162; 

 tail, 118; exposed culmen, 13; tarsus, 17,5; middle toe, 17.5." 

 Southern Mexico, in State of Oaxaca (Oaxaca City). 



(?) Antrostovius macromystaxl (not Caprimulgus viacromystax Wagler?) Sclater, 

 Proc. Zool. Soc. Lond., 1858, 296 (La Parada, Oaxaca; crit.). 



(?) [Capriviulgus vodferus.] Subsp. a. Caprimulgus macromystax Hartert, Cat. 

 Birds Brit. Mus., xvi, 1892, 570, part (Oaxaca). 



Antrostomus oaxaca; Nelson, Auk, xvii, July, 1900, 260 ^^near city of Oaxaca, 

 Oaxaca; coll. U. S. Nat. Mus.). 



ANTROSTOMUS SALVINI (Hartert). 



SALVIN'S WHIPPOORWILL. 



Similar to A. cuhanensis but smaller (wing not more than 175 mm.) 

 with a broken coUar of tawny or tawny-buff across lower hindneck, 

 and only three outer pairs of rectrices tipped with white (in male) 

 or buffy (in female), this decreasing rapidly in extent from the outer 

 to the third rectrix, and with a strongly oblique anterior outline. 



Adult male. — Pileum deep grayish brown intermixed with pale 

 brownish gray, densely vermiculated and freckled with dusky, and 

 streaked with black, the black streaks much broader along the median 

 line, where assuming more or less the form of cuneate or guttate spots; 

 hindneck similar but more grayish and with narrower black streaks, 

 the lower portion ochraceous or brownish buff spotted or otherwise 

 marked with black, forming an indistinct collar; back, rump, and 

 upper tail-coverts grayish brown, vermiculated with dusky and 

 buffy and with serrated streaks of black; scapulars with a large, 

 irregular subterminal spot or blotch of black, anterior to which both 

 webs, especially the inner, are mostly dull buffy whitish coarsely and 

 rather sparsely vermiculated with dusky, the terminal portion hght 

 tawny irregularly marked with black; lesser wing-coverts sooty 

 blackish broken by small spots and bars of brownish buffy or dull 

 tawny; middle and greater coverts grayish brown or brownish gray 

 vermiculated with dusky and with a broad median, irregularly 

 cuneate, space of dusky, many of the feathers with a terminal spot 

 of buffy or pale tawny, inclosing a small central spot of dusky; inner 

 secondaries ('^tertials") pale brownish gray vermiculated vnth 

 dusky and with an irregular median streak of black, their inner webs 



a One specimen (the type). 



