532 BULLETIlSr 50, UNITED STATES NATTONAL MUSEUM, 



throat deep brownish, gray or gra3dsh brown, narrowly and rather 

 indistinctly barred with paler; extreme lower throat buffy white, 

 some of the feathers narrowly tipped with black, immediately suc- 

 ceeded by a rather broad band of buff across foreneck; chest sooty 

 black, but exposed portion of feathers mostly pale grayish and buffy 

 vermiculated and mesiaUy streaked with dusky, the feathers of 

 lower portion with terminal transverse spots of dull buffy whitish; 

 rest of imder parts light buff, rather broadly barred with dusky, the 

 under tail-coverts with the dusky bars more distant and broader; 

 under wing-coverts rather dull pinkish buff, barred along edge of wing 

 with dusky; inner webs of primaries dusky, with large transverse 

 spots of ochraceous-buff or deep pinkish buff; bill brown, darker ter- 

 minally; iris dark brown; legs and feet deep brown, paler on upper 

 portion of tarsi; length (skin), 210; wing, 161; tail, 115.5; exposed 

 culmen, 15.5; tarsus, 17; middle toe, 1S.° 



Adult female. — Similar to the adult male, but three outer rectrices 

 (on each side) tipped, on both webs, with dull buff or pale ochraceous- 

 buff, freckled, in part, with dusky, this buffy terminal area not 

 more than about 10 mm. wide; length (skins), 232; wing, 155; tail, 

 116; exposed culmen, 14.5; tarsus, 15; middle toe, 16.5.* 



Southwestern Mexico, in States of Guerrero (Tlalkisala), and 

 Sinaloa (Los Pieles). 



AntrostoTnus ridgwayi Nelson, Auk, xiv, Jan., 1897, 50 (Tlalkisala, Guerrero, 

 s. w. Mexico; coll. U. S. Nat. Mus.). — ^Miller (W. DeW.), Bull. Am. Mus. 

 N. H., xxi, 1905, 353 (Los Pielas, s. Sinaloa). 



[Caprimulg'us] ridgwayi Sharpe, Hand-list, ii, 1900, 84. 



ANTROSTOMUS GOLDMAN! Nelson, 



OOLDUAIT'S WHIFPOORWILI.. 



Similar to A. ridgwayi but decidedly larger and much paler. 



Adult female. — General color of upper parts pale brownish gray, 

 minutely vermiculated and stippled with darker, interrupted by a 

 collar of buff across hindneck; pileum ecru-drab, narrowly streaked 

 with black, these streaks mere shaft-lines except those on median 

 portion of crown, occiput, and nape, which are broader, some of them 

 with irregular edges; sides of nape or upper hindneck grayish white, 

 sparsely vermictilated with dusky and with rather broad, sharply 

 defined, lanceolate streaks of black; lower hindneck buff, forming 

 a conspicuous collar, apparently confluent laterally with a broad 

 buff band across upper chest; back, rump, and upper tail-coverts 

 light brownish gray or grayish brown, narrowly streaked with black, 



1 One specimen. 



6 One specimen (the type). 



