TACHYCINETA LEUCORRHOUS (r/.///.), 



SOUTH-AMEPJCAN GREEN SWALLOW. 



Golondrina rabadllla hlanca, Azara, Apunt. ii. p. 509 (1802) ; Hartl. Ind. Azara, 



p. 19 (1817). 

 Sirimdo leucorrlioa, Vieill. N. Diet. d'Hist. Nat. xiv. p. 519 (1817) ; Gray, Gen. B. 



i. p. 58 (1845) ; Burai. Th. Bras. iii. p. Ill (1856) ; Baird, E-eview Amer. B. 



p. 301 (1865); Scl. & Salv. P. Z. S. 1868, p. 139, 1869, p. 597 ; Gray, Hand-l. B. 



i. p. 72, no. 817 (1869) ; Hudson, P. Z. S. 1871, p. 327, 1872, pp. 606, 815, 816 ; 



Scl. & Salv. Nomencl. Av. Neotr. p. 11 (1873); iid. P. Z. S. 1873, p. 185; Durnf. 



Ibis, 1876, p. 158, 1877, pp. 32, 169, 1878, p. 392 ; Gibson, Ibis, 1880, p. 11 ; 



White, P. Z. S. 1882, p. 596 ; Salvin, Cat. Strickl. Coll. p. 150 (1882) ; Tacz. 



Orn. Perou, i. p. 211 (1881) ; Sbarpe, Cat. Birds in Brit. Mus. x. pp. Ill, 631 



(1885). 

 Sirundo frontalis (nee Quoy & Gaim.), Gould in Darwin's Voy. 'Beagle,' Birds, 



p. 40 (1841). 

 Herse leucorrlioa, Bp. Consp. i. p. 341 (1850). 

 Petrochelidon leucorrlioa, Cab. Mus. Hein. Tb. i. p. 48 (1850). 

 JSirundo gouldii, Cass. Proc. Pbilad. Acad. 1850, p. 69. 

 Fetroclielidon leucorrlioa, Cass. Cat. Hirund. Mus. Pbilad. Acad. p. 5 (1853) ; Pelz. 



Orn. Bras. pp. 17, 402 (1871). 

 Sirundo leucopyc/a, Licbt. Nomencl. Av. p. 61 (1851). 

 Cotijle leucorrlioa, Burm. Reis. La Plata-St. ii. p. 478 (1861). 

 Hirundo [Tacliycineta) ^c«cor;'7iO(/, Barrows, Bull. Nutt. Orn. Club, viii. p. 89(1883). 



T. supra viridis ; uropygio albo ; tectricibus alarum majoribus baud albo margiuatis ; gcuis tolls albis 

 ncc antice nigris; linea supralorali alba trans frontem basalem ducta. 



llab. in Brazilia mcridionali, Patagonia ct Pcruvia. 



Adult female. General colour above glossy stcel-grecn ; lesser and niciban wing-coverts liice tlie baciv ; 

 greater coverts, bastard-wiiig, jirimary-coverts, and quills Ijlackisli, externally wasiied with green, 

 tbc inner secondaries margineil with ■^^hite towards the ti[) ol' the outer wi'b ami .-it the end ; 

 rump white, slightly washed with smoky brown, some of tlie featiiers ti|i[n'(l with dusky brown : 

 upper tail-covcrts dull stecl-grccn ; tail-feathers blackish with a slight greenish gloss ; crowu of 

 head like the back; lores velvety black; base of forehead white, extending a little backwards 

 above the lores; ear-coverts blackish glossed witli stcel-grecn; checks and entire under surface of 

 body white, including the thighs and under tail-coverts ; a pateli of glossy steel-green on cacli 

 side of tlic upper breast; flanks and sides of body washed with smoky brown ; axillarics and 



