692 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
Valley to western Ecuadér (Guayaquil), southeastern Brazil (Bahia), 
and Trinidad. 
[Hirundo] cayanensis Guetin, Syst. Nat., ii, 1789, 1024 (based on Le Martinet & 
collier blanc Buffon, Hist. Nat. Ois., vi, 671; Martinet a collier de Cayenne 
Daubenton, Pl. Enl., pl. 725, fig. 2).—Laraam, Index Orn., ii, 1790, 583. 
Cypselus cayanensis SrePHENS, Shaw’s Gen. Zool., x, 1817, 75.—L#oravup, Ois. 
Trinidad, 1866, 81. 
[Cypselus] cayanensis Bonaparts, Consp. Av., i, 1850, 66.—GRay, Hand-list, 
i, 1869, 64, no. 737. 
Panyptila cayanensis BurmuIsTER, Syst. Ueb. Th. Bras., ii, 1856, 369.—SciaTEr, 
Proc. Zool. Soc. Lond., 1865, 606 (monogr.; Cayenne; Bahia).—PrLzeLn, 
Om. Bras., iv, Abth., 1870, 401.—Barrp, Brewer, and Rmeway, Hist. N. 
Am. Birds, ii, 1874, 424, footnotes.—SciaTeR and Satvin, Proc. Zool. Soc. 
Lond., 1879, 531 (Antioqufa and Bogoté, Colombia).—Hanrert, Cat. Birds 
Brit. Mus., xvi, 1892, 461 (Merumé Mts., Brit. Guiana; Venezuela; Bogoté and 
Antioquia, Colombia; Venezuela; Bahia, Para, and Santarém, Brazil; Samiria, 
upper Amazon).—Ricumonp, Proc. U. 8. Nat. Mus., xvi, 1893, 515 (Rio 
Escondido).—Cuapman, Bull. Am. Mus. N. H., vi, 1894, 58 (Trinid&éd).— 
Gosrtp1, Bolet. Mus. Paraense, ii, no. 4, 1898, 430, pl., figs. 14 (nest). 
[Panyptila] cayanensis ScaTeR and Satvin, Nom. Av. Neotr., 1873, 94.—SHaRPE, 
Hand-list, ii, 1900, 95. 
Planyptila] cayanensis Harrert, Das Tierreich, Podarg., Caprim., Macropt., 
1897, 83. 
[Panyptila cayanensis] var. cayanensis Barrp, Brewer, and Ripeway, Hist. N. 
Am. Birds, ii, 1874, 424. 
Hirundo cayenensis Virttot, Nouv. Dict. d’Hist. Nat., xiv, 1817, 513. 
Panyptila cayenensis RicuMonp, Auk, x, 1893, 84 (Rio Escondido, Nicaragua, 
descr. nest). 
Panyptila cayennensis Capanis, Wiegmann’s Archiv fiir Naturg., xiii, 1847, 
pt. i, 345.—_Scnater, Proc. Zool. Soc. Lond., 1865, 606 (Cayenne; Bahia); 
Journ. fiir Orn., 1867, 128; Ibis. 1897, 262 (Leguan, Essequibo R., Brit. 
Guiana; descr. nest).—LayarpD, Ibis, 1873, 389 (Paré, lower Amazon).— 
BereEpscH and Taczanowsk1, Proc. Zool. Soc. Lond., 1883, 569 (Guayaquil, 
w. Ecuador).—Satvin, Ibis, 1885, 436 (Merumé Mts., Brit. Guiana).— 
ScraTeR (W. L.), Ibis, 1885, 318 (Guiana).—Satvin and Gopman, Biol. 
Centr.-Am., Aves, ii, 1892, 370 (Rio Chagres, Panam4; etc.).—RicHMonpD, 
Auk, xv, 1898, 7-10, pl. 1 (habits, notes, descr. nest, etc.; colored plate of 
bird and nest).—Brrizprscu, Novit. Zool., xv, 1908, 268 (Cayenne). 
PANYPTILA SANCTI-HIERONYMI Salvin. 
SAN GERONIMO SWIFT. 
Precisely like P. cayanensis in coloration but about twice as large. 
Adult (sex not determined).—Length (skins), 181-198 (188.5); 
wing, 185.5-190.5 (188); tail, 86.5-88 (87.2);% exposed culmen, 8; 
tarsus, 13; middle toe, 9.5.° 
Highlands of Guatemala (San Gerénimo and Puebla Vieja, Vera 
Paz; Volcén de Fuego; near Antigua). 
Panyptila sancti-jeromez Sauvin, Ibis, 1863, 239, in text (nomen nudum); Proc. 
Zool. Soc. Lond., 1863, pl. 23. 
a Two specimens. b One specimen. 
