THE GENUS CHOEDEILES SWAINSON OBERHOLSER. 75 



CHORDEILES VIRGINIANUS CHAPMANI Coues. 



[Chordiles popetue] Chapmani Coues, Auk, vol. 5, January, 1S88, p. 37 

 (ex Sennett MS.) (Gainesville, Florida). 



Chars, suhsp. — Like Chordeiles virginianus virginianus, but de- 

 cidedly smaller; upper parts averaging a little more mottled and 

 spotted with whitish and buffy, particularly on back, wings, and scap- 

 ulars, and the ground color averaging slightly less deeply blackish 

 (more grayish or brownish) ; posterior lower parts usually more 

 purely white. 



Iris br©wn or hazel brown; bill black or dull blackish; feet dull 

 grayish brown, dull or dark horn color. 



Measurements. — Male: Total length (in flesh), 223-232 (average, 

 227.5) mm.; 1 extent of wing, 451-580 (515.5). ^ 



Female : Total length (in flesh), 209.6-235 (223.5) 2; extent of wing, 

 633.4-575 (561.6). ^ 



Male*: Wing, 178-192 (average, 184.1) mm.; tail, 99-110.5 (105) ; 

 exposed culmen, 4.8-7.0 (6.3); tarsus, 12.5-15.5 (13.9); middle toe, 

 13-15.8 (14.2). 



Female:^ Wing, 172.5-184.5 (179.4) mm.; tail, 99-108.5 (103.2); 

 exposed culmen, 5.0-7.5 (6.3) ; tarsus, 13.2-15 (14) ; middle toe, 

 13.8-15.8 (14.4). 



Type-locality. — Gainesville, northern Florida. 



Geograpliical distribution. — Southeastern United States, south in 

 winter to southern South America. Breeds in the Lower Austral and 

 Upper Tropical zones, north to Fort Macon, central eastern North 

 Carolina; Raleigh, central North Carolina; Chester County, north 

 central South Carolina; Augusta, central eastern Georgia; Coosada 

 and Greensboro, central Alabama; Mount Carmel, southeastern Illi- 

 nois ; Hickman, southwestern Kentucky ; Stuttgart and Delight, south 

 central Arkansas; and New Boston in Bowie County, northeastern 

 Texas ; west to Eice's Prairie in Bowie County, and Galveston Island, 

 eastern Texas; south to Galveston Island and Sabine, southeastern 

 Texas; Calcasieu Pass, Avery Island, and Houma, southern Louisi- 

 ana; Bay Saint Louis and Biloxi, southeastern Mississippi; Petit 

 Bois Island, southwestern Alabama; Pensacola and the lower 

 part of the Suwanee River, northwestern Florida; and Tarpon 

 Springs, Puntarasa, and Key West, western Florida; east to 

 Miami, Canaveral, and Fernandina, eastern Florida ; St. Marys, 

 mouth of Altamaha River, and Savannah, southeastern Georgia ; 

 Mount Pleasant, southeastern South Carolina ; and Fort Macon, cen- 

 tral eastern North Carolina. Migrates south through the Greater 

 Antilles (probably), Yucatan, Nicaragua, and Costa Rica, to South 



1 Two specimens. 



2 Eleven specimens. 

 ^ Six specimens. 



* Fourteen specimens from Florida. 



* Ten specimens from Florida. 



