ORDER MACROCHIRES. 199 



RANGE. North and South America. Breeds from southeastern British 

 Columbia, Alberta, and southwestern Saskatchewan south to southern Texas 

 and mountains of northern Mexico; winters in South America. 



c. Chordeiles virginianus chapman! COUES. Florida Nighthawk. [4206.] 



Chordiles popetue chapmani COUES, Auk, V, Jan., 1888, 37. (Gaines- 

 ville, Florida.) 



RANGE. Breeds in the Gulf coast belt from eastern Texas to Florida; 

 winter range unknown. 



'./. Chordeiles virginianus sennetti COUES. Bennett's Nighthawk. [420 c.] 



Chordiles popetue sennetti COUES, Auk, V, Jan., 1888, 37. (50 miles 

 west of Pembina, North Dakota.) 



RANGE. Breeds on treeless plains from Saskatchewan and Manitoba south 

 to central Nebraska; in migration to Texas; occasional in Iowa, Wisconsin, 

 and Illinois; winter range unknown, probably in South America. 



e. Chordeiles virginianus hesperis GRINNELL. Pacific Nighthawk. [420rf.] 



Chordeiles virginianus hesperis GRINNELL, Condor, VII, 1905, 170. (Bear 

 Lake, 6700 feet, San Bernardino Mountains, California.) 



RANGE. Breeds from southwestern British Columbia south along the coast 

 to northern California and in the Sierra Nevada south to the San Bernardino 

 Mountains, southern California ; winter home unknown. 



Chordeiles acutipennis (BODDAERT). 



RANGE. California, Utah, and Texas south through the greater 

 part of South America. 



a. [Chordeiles acutipennis acutipennis. Extralimital.] 



b. Chordeiles acutipennis texensis LAWRENCE. Texas Nighthawk. [421.] 



Chordeiles texensis LAWRENCE, Ann. Lye. N. H. N. Y., VI, 1857, 167. 

 (Rio Grande, Texas.) 



RANGE. Breeds in Lower Sonoran Zone from central California, southern 

 Nevada, southern Utah, and southern Texas south to Cape San Lucas and 

 southern Mexico; winters south of the United States to Panama. 



