BIEDS OF WORTH AND MIDDLE AMERICA. 65 



Salvin, Proc. Zool. Soc. Lond., 1879, 496 (Eemedios, province Antioquia, 

 Colombia). — Taczanowski, Proc. Zool. Soc. Lond., 1877, 744 (Lechugal, w. 

 Peru). — Salvin and Godman, Biol. Centr.-Am., Aves, i, 1883, 238, part 

 (Angostura, Costa Eica; Chitra, Veragua; Obispo station, Panama E. E.; 

 Eio Truando, Colombia). — Beblepsch and Taczanowski, Proc. Zool. Soc. 

 Lond., 1883, 543 (Chimbo, w. Ecuador; crit.). — Taczanowski and Beb- 

 lepsch, Proc. Zool. Soc. Lond., 1885, 75 (Yaguachi, Ecuador). — Shaepe, Cat. 

 Birds Brit. Mus. , x, 1885, 209, part, 637 (Costa Eica; Chitra, Veragua; Panama; 

 Bogota and Santa Elena, Colombia; Esmeraldas and Babahoyo, w. Ecuador; 

 Venezuela). — Zeledon, Anal. Mus. Nac. Costa Eica, 1, 1887, 107 (Panama; 

 Costa Eica).— EicHMOND, Proc. U. S. Nat. Mus., xvi, 1893, 486 (Eio Frio, 

 Costa Eica; Eio Escondido, Nicaragua). — Shaepe and Wyatt, Mon.Hirund., 

 1894, 651, 655, part, pi. 127.— Chapman, Bull. Am. Mus. N. H., vi., 1894, 28 

 (Trinidad).— Bangs, Proc. Biol. Soc. Wash., xii, 1898, 142 (Santa Marta, 

 Colombia). — Salvadobi and Festa, Boll., Mus. Zool., etc., Torino, xv, no. 

 357, 1899, 11 (Vinces, w. Ecuador).— Allen, Bull. Am. Mus. N. H., xiii, 



1900, 171 (Bonda, Santa Marta, Colombia). 



[Stelgidopteryxl guttwralis Baikd, Eeview Am. Birds, May, 1865, 314 ( =S. fulvi- 



gula, p. 318) . ^ 



\_Stelgidopteryx'} uropygialis ScLATEsand Salvin, Nom. Av.'Neotr., 1873, 15. 

 Stelgidopteryx ruficollis uropygialis Bangs, Proc. New Engl. Zool. Club, ii, July 31, 



1901, 59 (Panama; Chiriqui; Costa Eica; descr. ); Auk, xviii, 1901, 368 

 (Divala, Chiriqui). — Beblepsch and Habteet, Novit. Zool., ix, 1902, 15 (La 

 Prioion, Caura E., Venezuela). 



Stelgidopteryx fulmgula Baied, Eeview Am. Birds, May, 1865, 318 (Angostura, 

 Costa Eica; coll. U. S. Nat. Mus.;=juv.). — Fbantzius, Journ. fiirOrn., 1869, 

 295 (Costa Eica). — Salvin, Ibis, 1869, 313, in text (crit. ; refers it to S. fulvi- 

 pennia Sclater); 1874, 307 (crit.; refers it to S. uropygialis). 



IColile'] fulvigula Geay, Hand-list, i, 1869, 73, no. 871. 



Stelgidopteryx ruficollis sequalis Bangs, Proc. New Engl. Zool. Club, ii, July 31, 

 1901, 58 (Santa Marta, Colombia; coll. A. E. and O. Bangs). 



Genus NOTIOCHELIDON Baird. 



Notiochelidon Baied, Eeview Am. Birds, May, 1865, 270, 305, 306. (Type, Attir 

 corapileata Gould.) 



Small Hirundinidse (wing not more than 95 mm.) with nostrils small, 

 roundish, opening superiorly; tarsus longer than middle toe, without 

 claw; tail more than half as long as wing, forked for about one-third 

 its length; middle toe united to outer by the whole of its basal and 

 about half its subbasal phalanx; back sooty brown, deepening into 

 sooty black on wings and tail, the pileum and sides of head glossy 

 black, the abdomen white. 



Bill very short, but relatively rather deep, its depth at gonydeal 

 angle much greater than half its width at base; exposed culmen much 

 less than distance from nostril to eye, slightly less than half the length 

 of tarsus, straight basally, strongly decurved terminally; gonys nearly 

 straight, ascending terminally, its basal angle prominent; maxillary 

 tomium with subterminal notch minute but distinct. Nostril small, 

 roundish or broadly ovate (the posterior end narrower), opening supe- 

 riorly, with membrane broader below than above. Tail more than 

 10384— VOL 3—03 5 



