BIEDS OP NOBTH AND MIDDLE AMEBICA. 



581 



Lower California, after April 23). — American ORNrrHOLOGisTS' Union 

 Committee, Auk, xii, 1895, 167, part; Check List, 2d ed., 1895, no. 421, part 

 (Cape San Lucas); 3rd ed., 1910, 199, part (Cape San Lucas). — Bbndikb, . 

 Life Hist. N. Am. Birds, (ii), 1895, 172, part.— Anthony, Auk, xii, 1895, 139 

 (San Fernando, Lower California). — Bailey (Florence M.), Handb. Birds 

 W. U. S., 1902, 228, part.— Beewsteb, Bull. Mus. Comp. Zool., xii, 1902, 110 

 (Triumfo, Sierra de la Laguna, San Jos6 del Cabo, La Paz, and Pearce's Ranch, 

 s. Lower California; crit. ; habits). 



Ch[ordeiles]acutipennis texensis'BjLRT'EnT, Tierreich, Podarg., Caprim., Macropt., 

 1897, 20, part. 



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



C[hoTdediles\ acutipennis texensis Coues, Key N. Am. Birds, 2d ed. , 1884, 454, part. 



[Chordeiles acutipennis.'] Subsp. /?. Chordeiles texensis Hakteet, Cat. Birds Brit. 

 Mus., xvi, 1892, 616, part (Triumfo and Cape St. Lucas, L. Calif.). 



Chordeiles acutipennis inferior Obeeholsee, Bull. 86, U. S. Nat. Mus., 1914, 109. 



CHORDEILES ACUTIPENNIS TEXENSIS (Lawrence). 



TEXAS NIGHTHAWK. 



Similar in coloration to C. a. inferior, but larger. 



Adult male.— Length, (skins), 208-237 (223)''; wing, 173-192 (183.4); 

 tail, 104-119(111.6); culmen, 5-6.8 (5.9); tarsus, 13-15 (14); roiddle 

 toe, 13-15 (14.2).6 



Adult female.— Length, (skins), 195-230 (216)"=; wing, 168.5-180 

 (175); tail, 102-110 (106.1); culmen, 5.1-7 (6); tarsus, 12.5-15.2 

 (13.5); middle toe, 13-15.8 (14.2)." 



Southwestern United States, from southern Texas (north to Gal- 

 veston, Montgomery, Mason, Kerr, Tom Green, Concho, and Keeves 

 counties), through southern New Mexico (AJmagorda; Deming; Lone 

 Mountain, Grant County), southeastern Colorado (Hoehne, near 

 Trinidad, casually), southern Utah (Saint George), southern Nevada 

 (Virgin Valley; Vegas Valley; Ash Meadows), and Arizona to south- 

 em and central California (north to Mendocino, Glenn, and Tuolumne 

 counties) ; breeding southward over northern and central Mexico, in 

 States of Sonora, Chihu&hua, CoahuUa, Nuevo Le6n (Santa Catarina; 

 San Pedro; San Augustin; Montemorelos), Tamaulipas (Matamoros; 



" Twelve specimens. 



b Fifteen specimens. 



' Nine specimens. 



Locality. 



MALES. 



Five adult males from California 



Five adult males from Arizona 



Five adult males from Texas 



FEMALES. 



Five adult females from California.. 



Five adult females from Arizona 



Five adult females from Texas 



Wing. 



185.2 

 134. 3 

 180.7 



174.8 

 174.4 

 176.9 



Tail. 



112.9 

 113.7 

 108.3 



107.3 

 106.5 

 104.4 



Cul- 

 men. 



6.5 

 6.1 



I 

 6.1 



6.2 



6.6 



Tarsus, 



13.9 

 14.2 

 13.9 



13.6 

 13.4 

 13.3 



Middle 

 loe. 



14.2 

 14.3 

 14.1 



14.3 

 14.5 

 13.9 



