1918. CATALOGUE OF BIRDS OF THE AMERICAS CORY. 119 



Range: Northern Portion of Great Plains in United States, from 

 northwestern Iowa, Nebraska, etc., to western Minnesota, North 

 Dakota and eastern Montana. Winter range unknown. 



i: Minnesota (Kimhoe). 



*Chordeiles virginianus howelli Oberholser. HOWELL'S NIGHTHAWK. 

 Chordeiles virginianus howelli OBERHOLSER, Bull. U. S. Nat. Mus., No. 86, 1914, 

 p. 57 (Lipscomb, Texas); RIDGWAY, Bull. U. S. Nat. Mus., No. 50, VI, 1914, 

 P- 570. 



Range: Southern portion of Great Plains and adjacent portion of 

 Rocky Mountains, from central and northwestern Texas and north- 

 eastern New Mexico to Wyoming, Nebraska and casual to Minnesota; 

 south to Nicaragua in winter. 

 2: Colorado (Fort Lyon). 



*Chordeiles virginianus henryi (Cassin). WESTERN NIGHTHAWK. 



Chordeiles henryi CASSIN, Illust. Bds. Cal., Texas, etc., I, 1855, p. 239 (Fort 



Webster, New Mexico). 

 Chordeiles virginianus henryi OBERHOLSER, Bull. U. S. Nat. Mus., No. 86, 1914, 



p. 65; RIDGWAY, Bull. U. S. Nat. Mus., No. 50, VI, 1914, p. 572. 



Range : Southwestern United States in west-central Texas, Arizona, 

 and New Mexico, southwestern Colorado and northern Mexico; prob- 

 ably winters in South America. 8 



5: Arizona (Huachuca Mts.) 2; Texas (Ft. Clark) i; Mexico 

 (Chihuahua) i; and Colombia, S. A. i? 



"Chordeiles virginianus aserriensis Cherrie. ASERRI NIGHTHAWK. 



Chordeiles virginianus aserriensis CHERRIE, Auk, 1896, p. 136 (Valley of Aserri 

 River, San Jose, Costa Rica); OBERHOLSER, Bull. U. S. Nat. Mus., No. 86, 

 1914, p. 71; RIDGWAY, Bull. U. S. Nat. Mus., No. 50, VI, 1914, p. 573. 



Range: Southern Texas and northern Tamaulipas (Mexico), south 

 in winter to Costa Rica. 



i: Texas (Cameron County). 



*Chordeiles virginianus chapmani (Coues). FLORIDA NIGHTHAWK. 



[Chordeiles popetue] Chapmani COUES, Auk, 1888, p. 37 (Gainesville, Florida)- 

 Chordeiles virginianus chapmani OBERHOLSER, Bull, U. S. Nat. Mus., No. 86, 

 1914, p. 75; RIDGWAY, Bull. U. S. Nat. Mus., No. 50, VI, 1914, p. 574. 



Range : Gulf states of United States, from Florida to eastern Texas, 

 north to North Carolina, southwestern Kentucky and southeastern 

 Illinois; south in winter to South America (Uruguay, central Brazil and 

 Argentina) . 



8 See Oberholser (I.e.). 



