10. PerrocnEeniIpon ARIEL, Gould) B. of Aust. ii. pl. 15. 
Collocalia Ariel, Gould: Fase. see London, 1842, p. 182. 
1, 2. Adult male Australia, from Mr. Gould’s collection 
3. Adult female, Australia, from the same. 
4, Adult, Australia, from the Rivoli collection. 
11. PrrrocHzLIpoN cYANOLEUCA, (Vieill.) Pl. col. 209, fig. 1 
Hirundo cyanoleuca, Viedil. iNieoies, 1D)eth, sin. p. 509. 
Hirundo minuta, De Wied. Beitr. ii. p. 369. 
Hirundo melampyga, Licht. Verz. p. 57. 
Hirundo melanoleuca, De Wied. Beitr. p. 871? 
1,2, 8. Adults, Brazil, from the Rivoli collection. 
4,5. Younger, Brazil, from the same. 
6, 7. Aduits, South America. 
8, 9, 10. H. melanoleuca? South America. 
. PETROCHELIDON MURINA, Cassin. 
Proc. Acad. Phil. June, 1858. 
1. Adult, Ecuador. 
Presented by Edward Wilson, Esq. 
. PETROCHELIDON TIBIALIS, Cassin. Proc. Acad. Phil. June, 1853. 
1. Adult, South America, from the Rivoli collection. 
2. Young? Brazil, from the same. 
4. Genus CHELIDON, Boie. Isis, 1822, p. 550 
1. CuHELrpon urRBIcA, (Liun.) Crone, B. of Eur. ii. pl. 57. Selby, 
Lit. pl. 42, fig. 2. 
Hirundo urbica, Zinn. Syst. Nat. i. p. 844. 
Hirundo lagopoda, Padlas. Zoog. 1. p. 582. 
Chelidon rupestris et fenestrarum, Brehm. Vig. Deuts. i. p. 140 
i, 
2. Adults, Hurope, frem the Rivoli collection. 
. Genus ATTICORA, Boie. Isis, 1849, p. 172. 
; atin LEUCOSTERNON, (Gould.) B. of Aust. ii. pl. 12. 
Hirundo leucosternus, Gomdl, IBroe. Zool. Soe. Lond. 1840, p. 172. 
1. Adult male, Swan River, Australia 
2, 3,4. Adult males, Australia, from Mr. Gould’s collection 
5. Adult female, Australia, from the same. 
ATTICORA HOLOMELAS, (Sund.) Proc. Acad. Phil. v. pl. 12, fig. 2 
Hirando holomelas, Sundeval. Ofversigt Kongl. Akad. (April, 
1850.) 
Atticora hamigera, Cassin. Proc. Acad. Phil. v. p. 57, 
Psalidoprocne cy pselina, Caubanis. Cat. ene p. 4 
1. Adult, Port Natal. 
2. Adult female, Cape of Good Hope. 
3,4. Adults, Cape of Good Hope, from the Rivoli collection 
(Tune, 1850.) 
8, (1852.) 
Cs 
ArviconA MELBINA, Verreaux. Mev. et Mag. de Zool. 1851, p. 310 
(Paris.) 
1. Adult, Gaboon, Africa, from Mr. Verreaux’ collection. 
