580 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



part.— Bailet (Florence M.), Handb. Birds W. U. S., 1902, 228, part (Vera- 



gua).— Cole, Bull. Mus. Comp. Zool., 1, 1906, 126 (Chichen-Itza, Yucatan).— 



Oakrikeb, An. Carnegie Mus., vi, 1910, 501 (Pigres, San Jos^, Lim6n, and 



Bolsdn, Costa Rica). 

 Ch[ordeiles] acutipennis texensis Hartert, Tierreich, Podarg., Caprim., Macropt, 



1897, 20, part. 

 [Chordeiles acutipennis. '\ Subsp. p. Chordeiles texetms Hartert, Cat. Birds Brit. 



Mus., xvi, 1892, 616, part (Tebuantepec; Tonala, Chiapas; Cozumel Island; 



? Ruatan Island; San Geronimo, Guatamala; Realejo, Nicaragua; Veragua, 



Panama). 

 Caprimulgus texensis Koenig-Warthausen, Joum. fiir Om., xvi, 1868, 376, part. 

 Chordediles acutipennis texensis Cotjes, Check List, 2d ed., 1882, no. 402, part. 

 C[hordediles'] acutipennis texensis Coubs, Key N. Am. Birds, 2d ed., 1884, 454, 



part. 

 Chordeiles acutipennis micromeria Oberholser, Bull. 86, U. S. Nat. Mus., 1914, 



100. 



CHORDEILES ACUTIPENNIS INFERIOR Oberholser. 



SAN LTTCAS NIGETHAWE. 



Similar to C. a. micromeris but larger; upper parts lighter and 

 averaging more brownish (less grayish), and paler bars on tail broader. 



Adult male. —Length (skins), 218-222 (220)°; wing, 171.5-184.5 

 (176.2); tail, 99-115 (107.1); exposed culmen, 4.9-6.5 (5.7); tarsus, 

 12.5-14.5 (13.5); middle toe, 13.2-15.1 (14) .* 



Adult female.— Length, (skins), 194-205 (198)"; wing, 165-177 

 (168.1); tail, 99-105 (102.3); culmen, 5-6 (5.4); tarsus, 12.1-13.7 

 (13); middle toe, 12.5-14.8 (13.7) .<« 



Lower California, from the San Pedro Martir district (La Grulla; 

 Santa Cruz; Valladeros) and San Fernando to Cape San Lucas dis- 

 trict (San Jos6 del Cabo; La Paz; Triunfo; Sierra de la Laguna; 

 Pearce's Ranch) . 



Chordeiles texensis (not of Cassin) Baibd, Proc. Ac. Nat. Sci. Phila., 1859, 301, 803 

 (Cape San Lucas, Lower California); Cat. N. Am. Birds, 1859, no. 116, 

 part. — ScLATEB, Proc. Zool. Soc. Lond., 1866, 134, part (monogr.); Joum. 

 fur Om., 1867, 264, part. — Coues, Check List, 1873, no. 268, part. — ^American 

 Ornitholoqists' Union, Check List, 1886, no. 421, part (Cape San Lucas).— 

 Bryant (W. E.), Proc. Calif. Ac. Sci., 2d ser., ii, 1889, 288 (Cape district. 

 Lower California). — Kabding, Condor, vii, 1905, 134 (San Jos6 del Cabo, 

 Lower California). 



[Chordeiles] texensis Cotjes, Key N. Am. Birds, 1872, 182, part (Cape San Lucas). — 

 ScLATERand Salvin, Norn. Av. Neotr., 1873, 96, part. — Sharpe, Hand-list, 

 ii, 1900, 80, part. 



ClhordeHes] texensis Redgwat, Man. N. Am. Birds, 1887, 301, part. 



Chordeiles acutipennis, var. texensis Baird, Brewer, and Ridgwat, Hist. N. Am. 

 Birds, ii, 1874, 406, part (Cape San LucaB,breeding). 



Chordeiles acutipennis texensis Ridgwat, Proc. U. S. Nat. Mus., iii, March 27, 

 1880, 5, part (crit. nom.), 188, part; Nom. N. Am. Birds, 1881, no. 358, part.— 

 Belding, Proc. U. S. Nat. Mus., v, 1882, 543 (La Paz and San Jos6 del Cabo, 



o Two specimens. <: Five specimens. 



6 Ten specimens. <* Nine specimens. 



