8. CYPsELUS AMBROsIACUS, (Gm.) Zemm. Pl. Col. 460, fig. 2. 
Hirundo ambrosiaca, Gm. Syst. Nat. i. p. 1021. 
“ Wirundo americana, Lath. nec Wils. fide Temm.” Streubel, Isis, 
1848, p. 356. 
1, 2. Adults, Fazogloa, Hastern Africa, from the Rivoli col- 
‘lection. 
). CYPSELUS BALASSIENSIS, Gray. Griff. Cuv. vii. p. 60, (1829.) 
Cypselus palmarum, Gray. IU. Ind. Zool. pi. 35 fig. 1, (1832.) 
1. Adult, India, from Capt. Boys’ collection. 
10. Cypsetus parvus, Licht. Verz. p. 58? 
1. Adult, Western Africa, from Mr. Cassin’s collection. 
2. Adult, Congo river. Presented by A. A. Henderson, 
M. DS Ua Ss Nawvy. 
3. Younger? Madagascar, from the Rivoli collection. 
il. CypsrLus AuSTRALIS, Gould. B. of Aust. ii. pl. 11. 
Cypselus vittatus, Jard. and Selby. Il. Orn. n. s. pl. 89? 
Hirundo pacifica, Lath. Ind. Orn. Supp. p. 58? 
1. Adult male, Australia, from Mr. Gould’s collection. 
2. Adult female, Australia, from the same. 
12. CYPSELUS CAYENNENSIS, (Gm.) Buff. Pl. Eni. 725, fig. 2. 
Tirundo cayennensis, Gm. Syst. Nat. 1. p. 1024. 
1. Adult, Brazil, from the Rivoli collection. 
2. Adult, Brazil. 
13. CypseLus sQUAMATUS, Cassin. Proc. Acad. Philada. June, 1853. 
_ 1. Adult, Guiana. Presented by H. G. Dalton, M. D. 
2. Adult, Cayenne. 
3. Younger, South America. 
2. Genus ACANTHYLIS, Boie. ss, 1826, p. 971. 
1. ACANTHYLIS PELASGIA, (Linn.) Wilson, Am. Orn. pl. 89, fig. 1. 
Hirundo pelasgia, Linn. Syst. Nat. 1. p. 340. 
Hirundo cerdo, Bartram. Trav. p. 292, (1791.) 
‘¢ Cypselus acutus, Temm. Mus. Lugd.” Bonap. Cons. Av. p. 64, 
(PI. col. vi. p: 78:) 
1. Adult male, Philadelphia. Presented by J. K. Town- 
send, M. D. 
2. Adult female, Carlisle, Penna. Presented by Prof. 8. F. 
Baird. 
3. Adult, North America, from the Rivoli collection. 
2. ACANTHYLIS VAUXII, (Townsend.) 
Cypselus Vauxil, Townsend. Journ. Acad. Nut. Sci. Philada. 
viii. p. 148, (1839.) 
1. Adult, Oregon, from Dr. Townsend’s collection. 
