BIRDS OF NORTH AND MIDDLE AMERICA. 



131 



depth of bill at base, 7.6-9.4 (8.1); tarsus, 22.6-25.1 (23.9); middle toe, 

 14.5-18 (16.8).^ 



Adult female. — Above plain rufous-chestnut; beneath plain cinnamon- 

 tawny or tawny-ochraceous; bill and feet as in adult male; length (skins), 

 157.5-185.4(173.5); wing, 78-86.1 (82.8); tail, 70.6-82 (77.5); exposed 

 culmen, 16-19.6 (17. 5) ; depth of bill at base, 7. 9-9. 4 (8. 6) ; tarsus, 22. 1- 

 24.9 (24.1); middle toe, 16-17.5 (16.8).^ 



Tropical South America in general, including islands of Trinidad 

 and Tobago; south to southern Brazil, Paraguay, and Ai'gentina, north 

 through Isthmus of Panama to Costa Rica. 



Tanagra albirostris (not of Linnasus) Boddaket, Tabl. PI. Enl., 1783, 11 (based 

 on Tangara noir, d' Aw.erique, Buffon, PI. Enl., pi. 179, fig. 2; adult male). 



Tanagra rufa Boddaeet, Tabl. PI. Enl., 1783, 44 (based on Le Tangaroux, ds 

 Cayenne, Buffon, PI. Enl., pi. 711; adult female). 



Tachyphonus rufus AuMV, Bull. Am. Mus. Nat. Hist., iii, no. 2, Sept. 29, 1891, 

 359 (Chapada, pro v. Mattogrosso, s. w. Brazil; descr. nest and eggs; crit. ; 

 iv, 1892, 52 (El Pilar, Venezuela; crit.).— Chapman, Bull. Am. Mus. N. H., 

 vi, 1894, 31, (Trinidad; habits).— Bangs, Proc. Biol. Soc. Wash., xii, 1898, 

 160 (Pueblo Viejo, prov. Santa Marta, Colombia), 179 (Palomina, prov. 

 Santa Marta). 



Oriolus melaleucus Spaeemann, Mus. Carls., 1787, no. 31 (Guiana). 



Tachyphonus melale'ucus ScLATER, Proc. Zool. Soc. Lond., 1856, 113 (monogr. ; 

 Cayenne; Guiana; Venezuela; Trinidad; Tobago; Bogota, Colombia; Pinto- 

 bamba, Peru; Goiaz, Pernambuco, and Kio Grande do Sul, Brazil; Paraguay; 



^ Twenty specimens. 



^ Twelve specimens. 



Although the series of specimens examined is, in the aggregate, a large one, the 

 number of specimens from separate geographic areas is in all cases small and not 

 sufficient to show whether the species should be subdivided or not. Average meas- 

 urements according to locality are as follows: 



Locality. 



Wing. 



Ex- 

 posed 

 culmen. 



Depth 

 of bill 

 at base. 



Middle 

 toe. 



MALES. 



One adult male from Veragua 



Three adult males from Isthmus of Panama 



Three adult males from Colombia 



Two adult males from eastern Peru 



Two adult males from Trinidad 



Two adult males from Tobago 



Seven adult males from Brazil (Bahia and Chapada) 



FEMALES. 



I 



Two adult females from Isthmus of Panama 



Two adult females from Colombia 



One adult female from eastern Peru 



Two adult females from Trinidad 



Two adult females from Tobago 



Three adult females from southwestern Brazil 

 (Chapada) 



84.1 

 87.6 

 90.4 

 85.3 

 86.6 

 89.4 

 86.6 



79.8 

 86.1 

 81.3 

 83.3 



78.0 

 80.8 

 82.8 

 80.3 

 79.5 

 80.3 

 81.3 



79.8 

 73.4 

 81.5 

 75.2 

 74.4 



80.0 



16.6 

 16.8 

 16.3 

 17.5 

 17.6 

 17.8 

 17.8 



18.0 

 16.8 

 17.0 

 18.8 

 17.5 



8.1 

 7.9 

 8.4 

 8.1 



7.9 

 8.4 



9.1 

 9.1 

 8.6 

 7.9 



24.6 

 23.9 

 24.6 

 24.4 

 23.9 

 25.1 

 23.4 



24.6 

 23.4 

 24.9 

 23.6 

 24.1 



23.9 



17.0 

 17.3 

 17.0 

 16.8 

 15.7 

 16.5 



17.0 

 16.8 

 16.3 

 16.5 

 16.8 



