10. Petrochelidon Ariel, (Gould.) B. of Aust. ii. pi. 15. 

 CoJlocalia Ariel, Gould. Proc. ZooJ. Soc. London, 1842, p. 132. 



1, 2. Adult males, Australia, from Mr. Gould's collection. 

 3. Adult female, Australia, from the same. 



4. Adult, Australia, from the Rivali collection. 



11. Petrochelidon cyanoleuca, (Vieill.) PL col. 209, fig. 1. 

 Hirundo cyanoleuca, Vieill. Nouv. Diet. xiv. p. 509. 

 Hiiundo niinuta, De Wied. Beitr. ii, p. 369. 



Hirundo melampyga, Liclit. Verz. p. 57. 

 Hirundo melanoieuca. Be Wied. Beitr. p. 371? 



1, 2, 3. Adults, Brazil, from the Rivoli collection. 

 4, 5. Younger, Brazil, from the same. 



6, 7. Adults, South America. 

 8, 9, 10. H. melanoieuca? South America. 



12. Petrochelidon murina, Cassin. Proc. Acad. Phil. Jime, 1853. 



1. Adult, Ecuador. Presented by Edward Wilson, Esq. 



13. 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, Bole. Isis, 1S22, p. 550. 



]. Chelidon urbica, (Linn.) Gould, B. of Eur. ii. pi. 57. Selhy, 



111 pi. 42, fig. 2. 

 Hirundo urbica, Linn. Syst. Nat. i. p. 344. 

 Hirundo lagopnda, Pallas. Zoog, i. p. 532. 

 Chelidon rupestris et fenestrarum, Brehm. Vog. Deuts. i. p. 140. 



1, 2. Adults, Europe, from the Rivoli collection. 



5. Genus ATTICORA, Boie. Isis, 1849, p. 172. 



1. Atticora leucosternon, (Gould.) B. of Aunt. ii. pi. 12. 



Hirundo leucosternus, Gould. Proc. Zool. Soc. 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. 



2. Atticora iiolo:\ielas, (Sund.) Proc. Acad. Phil. v. pL 12, fig. 2. 



Hirundo holomclas, SandevaL Ofversigt Konyl. Akad. (April, 



1850.) 

 Atticora hamigera, Cassin. Proc. Acad. Phil.Y. p. 57, (June, 1850.) 

 l*salidoprocne cypselina, Cahanis. Cat. Heine, p. 48, (1852.) 



1. Adult, Port Natal. 



2. Adult female, Cape of Good Hope. 



3, 4. Adults, Cape of Good Hope, from the Rivoli collection. 



3. Atticora melbixa, Veneaus. Pev. et Mag.de Zool. 1851, p. 310, 



(Paris.) 

 1. Adult, Gaboon, Africa, from Mr. Ycrreaux' collection. 



