3. TACHTCrtTETA. 115 



Hudson, p. Z. S. 1872, pp. 606, 845, 846 ; Scl. ^ Salv. Komencl. 

 Av. Neotr. p. 14 (1873; ; iid. P. Z. S. 1873, p. 185 ; Drirnf. Ihis, 

 1876, p. 1.58, 1877, pp. 32, 169, 1878, p. 392 ; Gibson, Ibis, 1880, 

 p.l4; mute,P.Z.S.l682,f.o9G; Tacz. Orn. Perou, i.-p.2-il (1884). 



Hii-undo frontalis (nee Q. Sf G.), Gould in Dariu. Vou. ^Beaale,' Birds, 

 p. 40 (1841). 



Herse leucorrboa, Pp. Consp. i. p. 341 (1850). 



Peti-oclielidon leucorrhoa, Cab. Mus. Hein. Th. i. p. 48 (1850). 



Hirundo g-ouldii, Cass. Proc. Acad. Phi/ad. 1850, p. 69. 



Petroclielidon leucorrhoa, Cass. Cat. Hirund. Mus. Philad. Acad. 

 p. 5 (lS.->-3j ; Peh. Orn. Bras. pp. 17, 402. 



Hirundo leucopyga, Licht. Nomencl. Av. p. 61 (1854). 



Adult (?) female. General colour above glossy steel-green; lesser 

 and median wing-coverts like the back ; greater coverts, bastard- 

 wing, primary-coverts, and quills blackish, externally washed with 

 green, the inner secondaries margined with white towards the tip 

 of the outer web and at the end ; rump white, slightly washed 

 with smoky brown, some of the feathers tipped with dusky brown ; 

 upper tail-coverts dull steel-green ; tail-feathers blackish with a 

 slight greenish gloss ; crown of head like the back ; lores velvety 

 black ; base of forehead white, extending a little backwards above 

 the lores ; ear-coverts blackish glossed with steel-green ; cheeks 

 and entire under surface of body white, including the thighs and 

 under tail-coverts ; flanks and sides of body washed with smoky 

 brown ; axillaries and under wing-coverts pale smoky brown, the 

 external coverts slightly mottled with blackish bases; quills dusky 

 below : " biU, legs, and iris black " (A. Peel). Total length 5-5 

 inches, culmen 0-35, wing 4-4o, tail 2, tarsus 0-5. 



ifab. Southern Brazil, Paraguay, and Patagonia ; Peru. 



a. 2 imm. sk. Truguay, Aug. 1877. Alan Peel, Esq. [C.J. 



5. Ad. sk. La Plata (ifi/f/sow). Sclater Collection. 



c. Ad. sk. Brazil (Mus. Hafn.). Sclater Collection. 



d. $ad. sk. Cosnipata,Peru,0ct.l(2r.Tf7»Ve/y). Sclater Collection. 



3. Tachycineta albilinea. 



Petrochelidon leucoptera (wee Gm.), Laivr. Ann. Lxic. N. Y. vii 



p. 317 (1861). 

 Petrochelidon albilinea, Lawr. Ann. Lye. N. Y. viii. p. 2 (1863) ; 



Sahin, Ibis, 1866, p. 192. 

 Petrochelidon littorea, Salvin, P. Z S. 1863, p. 189 : Scl. & Salv 



P. Z. S. 1864, p. 347. 

 Hirundo albilinea, Baird, Eerieiv Amer. B. p. 300 (1865) ; Scl. %■ 



Salv. Nomencl. Av. Neotr. p. 14 (1873); Salv. ^- Godrn. Biol. Centr.- 



Anier., Aves, i. pi. xv. fig. 1 (1883). 

 Tachycineta albilinea, Lnivr. Mem. Best. Soc. N. JS. ii. p. 271 



(1874) ; Salv. ^- Godm. Biol. Centr.-Amer., Aves, i. p. 235 (1883). 

 Hirundo albilineata. Gray, Hand-l. B. i. p. 71, no. 845 (1869). 

 Hirundo leucopygia, Tacz. P. Z. S. 1880, p. 192 ; id. Orn. Perou, i. 



p. 240 (1884). 



Adult male. General colour above glossy steel-blue, more or less 

 inclining to steel-green, the bases to the feathers of the mantle 

 ashy white ; rump white, with hair-like blackish shaft-lines ; 



i2 



