144 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



dd. Throat ochraceous-buff, ochraceous-rufous, or dull salmon color; back 

 lighter brown; tail light mars brown o' cinnamon-brown; occiput tinged 

 with red. 

 Phcenioothraxipis salvini littoralis, adult female and young male (p. 149) 

 cc. Above, olive or deep olive-brown; chest olive or yellowish olive. 



Phoenicotliraupis fuscicauda, adult female and young male (p. 152) 



PHCENICOTHRAUPIS RUBICA RUBICOIDES (Lafresnaye). 

 MEXICAN ANT TANAOER. 



Adult tiKile. — Median portion of crown and occiput scarlet, forming 

 a bush}^ erectile crest of elongated narrow feathers, this scarlet patch 

 or crest bordered laterally by a narrow stripe of black or blackish 

 brown; forehead, sides of head, and upper parts (except as described) 

 plain dull brownish red (deep brick red, liver brown, or bay); 

 under parts reddish, changing gradually from light vermilion or dull 

 scarlet on throat to dull vinaceous on flanks and dull flesh color on 

 margins of under tail-coverts, the central portion of which is duller, 

 more grayish red; maxilla blackish brown; mandible horn brown; iris 

 brown; ^ legs and feet horn brown; length Cskins), 165.1-184.2 (174.2); 

 wing, 90.T-98.6 (94.2); tail, 77-86.1 (81.5); exposed culmen, 15-16.8 

 (15.7); depth of bill at base, 8.4-9.9 (9.4); tarsus, 23.1-26.7 (24.4); 

 middle toe 14.7-17.3 (16).' 



Admit female. — Pileum deep or dark olive anteriorly or laterally, 

 inclosing a more or less distinct elongated patch of ocher-yellowish, 

 ochraceous, or tawny, the feathers of this patch more or less tipped 

 with olive; rest of upper parts plain light olive, olive-brown, or slightly 

 ochraceous olive; under parts paler ochraceous-olive, still paler and 

 usually tinged with yellow on throat, the flanks browner or more olive; 

 bill, legs, and feet as in adult male; length (skins), 167.6-177.8 (172.2); 

 wing, 83.8-89.4 (86.9); tail, 73.9-79.5 (77.2); exposed culmen, 14.2- 

 16.5(15.7); depthof bill at base, 8.1-9.7(9.1); tarsus, 22.4-25.4(24.4); 

 middle toe, 14.2-15.2 (14.7).' 



' Sumlchrast. 



^ Fourteen specimens. 



' Seven specimens. 



Average measurements of specimens from different localities are as follows: 



