702 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Cypcelus collaris Albrecht, Jouni. fiir Oni., 1861, 206 (Cuba). 



Nephocaetes collaris Gundlach, Journ. fiir Orn., 1861, 330 (Cuba); 1862, 177 

 (Cuba); 1874, 114 (Cuba; habits); Contr. Om. Cuba, 1876, 83. 



Chxiura zonaris (not Hirundo zonaris Shaw) Sclater, Proc. Zool. Soc. Lond., 

 1861, 79 (Jamaica; crit.); 1863, 99, part (monogr.; Jamaica; Haiti); 1865, 

 609, part (monogr.). — Albrecht, Journ. fiir Om., 1862, 201 (Jamaica). — Cory, 

 Auk, xii, 1895, 279 (Santo Domingo).— Cherrie, Contr. Om. San Dom., 1896, 

 18 (Santo Domingo City). — Salvin and Godman, Biol. Centr.-Am., Aves, ii, 

 1893, 373, part (Greater Antilles).— Menegaux, Rev. Frany. d'Orn., no. 2, 

 1909, 26 (Guantanamo and San Carlos, Cuba). 



Hemiprocne zonaris Cory, Auk, iii, 1886, 346; Birds West Ind., 1889, 141. — 

 Chapman, Bull. Am. Mus. N. H., iv, 1892, 302 (San Juan, s. Cuba). — Scott, 

 Auk, ix, 1892, 276 (Jamaica; habits).— Field, Auk, xi, 1894, 125 (Port Hen- 

 derson, Jamaica). 



A[canthylis] zonaris Newton (E. and A.), Handb. Jamaica, 1881, 108. 



Chsetura zonaris pallidifrons Hartert, Ibis, July, 1896, 368 (Jamaica; coll. Tring 

 Mus.). 



Ch[8etura\ zonaris pallidifrons Hartert, DasTierreich, Podarg.,Caprim., Macropt., 

 1897, 74. 



Hemiprogne zonarta Gundlach, Orn. Cubana, ed. 1895, 97. 



{Chxturd\ pallidifrons Sharpe, Hand-list, ii, 1900, 91 (Jamaica; Haiti). 



Hemiprocna zonaris pallidifrons Bangs and Zappey, Am. Nat., xxxix, April, 1905, 

 203 (Nueva Gerona, Isle of Pines). 



Streptoprocnc zonaris pallidifrons Oberholser, Proc. Biol. Soc. Wash., xix, May 

 1, 1906, 69. 



STREPTOPROCNE SEMICOLLARIS (Saussure). 



WHITE-NAPED SWIFT. 



Adult male. — Head, neck, and chest dark grayish sooty, shghtly 

 paler on forehead and chin (especially the former), the feathers of 

 chin and throat with darker shafts; a white band across hindneck, 

 the feathers of which are abruptly dark sooty basally ; rest of plumage 

 plain very dark grayish sooty, the back, scapulars, rump, and upper 

 tail-coverts more blackish and faintly glossed with bronze-greenish; 

 bill brownish black; iris dark brown; toes brownish black, the tarsi 

 more brownish (in dried skin); length (skin), 238; wing, 228; tail, 

 73; exposed culmen, 12; tarsus, 27; middle toe, 19.5. '^ 



South -central Mexico, in States of Mexico (San Joaquin, near City 

 of Mexico) and Hidalgo (Irolo) 



Acanthylis sernicollaris De Saussure, Rev. et Mag. de Zool., iii, March, 1859, 117 



(San Joaquin, near City of Mexico). 

 Chsetura sernicollaris Sclater, Cat. Am. Birds, 1862, 282; Proc. Zool. Soc. Lond., 



1863, 99 (monogr.); 1865, 609 (monogr.); Joum. fur Orn., 1867, 130.— Sclater 



and Salvin, Exotic Orn., pt. vii, 1866, 103, pi. 52. — Sumichrast, Mem. Bost. 



Soc. N. H., i, 1869, 5G2.— Herrera, La Naturaleza, (2), 1, 1888 (Apunt. 



de Orn., p. 15).— Hartert, Cat. Birds Brit. Mus., xvi, 1892, 479.— Salvin 



and Godman, Biol. Centr.-Am., Aves, ii, 1893. 374. 

 [Chsetura] sernicollaris Gray, Hand-list, i, 1869, 69, no. 781. — Sharpe, Hand-list, 



ii, 1900, 92. 



« One specimen. 



