THE GENUS CHOKDEILES SWAINSON OBERHOLSER. • 75 



CHORDEILES VIRGINIANUS CHAPMANI Coues. 



[Chordiles popctuc] Chapmani Coues, Auk, vol. 5, January, 1888, 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 lovv'er parts usually more 

 purely white. 



Iris brown or hazel brown ; bill black or dull blackish ; feet dull 

 grayish brown, dull or dark horn color. 



3/ easurements.— Male: Total length (in flesh), 223-232 (average, 

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



Female : Total length (in flesh) , 209.6-235 (228.5) ' ; extent of wing, 

 533.4-575 (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.— Gamesxille, northern Florida. 

 Geographical distribution.— Sonthesistern 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 Rice'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. 



- Eleven specimens. 



8 Six specimens. 



* Fourteen specimens from Florida. 



6 Ten specimens from Florida. 



