602 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



ivory yellow to very pale pinkish bufF; breast pale pinkish buff the 

 feathers edged laterally with dull sayal brown and with fuscous-black 

 shaft streaks and some with wedge-shaped transverse spots of the 

 same. 



Juvenal (sexes alike). — Similar to the immature plumage, but the 

 feathers of the breast without any dark shafts or transverse spots; the 

 interscapulars with no transverse dark spots; iris dark madder brown; 

 cere and orbital skin fleshy white (probably rosy in life) ; bill whitish 

 tinged with pale bluish; tarsi mth the larger scutes bluish white, the 

 rest and toes pale yellow white; claws blackish. 



Natal down. — Forehead, crown, occiput army brown; scapulars, 

 rump, and flanks wood brown; rest of body pinlvish buff; lores and 

 orbits bare. 



Adult male.— Wings 370-418 (393.5); tail 228.6-254 (240.5); cul- 

 men from cere 30-36.5 (33.5); tarsus 81-90.5 (84.4); middle toe with- 

 out claw 48-51 (49.5 mm.).^^ 



Adult female.— Wings 373.5-408 (391); taU 223.5-254 (242); cul- 

 men from cere 30-36 (33) ; tarsus 89-94 (92) ; middle toe without claw 

 50.5-53.5 (52 mm.).2o 



Range. — Resident in the prairie region of central Florida from 

 northern Brevard County (occasionally to Enterprise and St. Augus- 

 tine) south to Fort Pierce, Okeechobee Lake, Rocky Lake, Oka- 

 loacoochee Slough, Everglades, Caloosahatchie River, Fort Thompson, 

 Fort Myers, Kissimmee Prairies, Basinger, Orlando, St. Johns River, 

 Lake Istokpoga, Lake Flirt, and Manatee River, and from the coastal 

 area of Louisiana west of the Mississippi River west through southern 

 Texas (Refugio County, Kerrville, Flour Bluff, Bird Island, San 

 Antonio, Medina River, lower Rio Grande, Brownsville, Rio Guada- 

 lupe, Laredo, Corpus Christi, Lomita Ranch, Austin, Houston), 

 southern New Mexico (Fort Thorn, Mesquite) ; and southern Arizona 

 (Fort Yuma, Gila River, Tucson, Oracle, Santa Clara Valley) ; south 

 through Mexico (Tamaulipas, Matamoros; Guaymas; Sinaloa, Pre- 

 sidio de Mazatl^n, Mazatldn, Hacienda Angostura in San Luis Potosi; 

 Jalisco, Guanajuato, Guadalajara, Santana near Zapotlan, Colima, 

 Mirador, Zacatecas, Tampico, Monterrey, Valley of Mexico; Vera- 

 cruz, Jalapa, Orizaba, Llano de San Baltazar, Parada, Merida, Izamal, 

 Tehuantepec, Oaxaca, Sinaloa, San Bias, Labradas, Blanca de Tierra, 

 Sonora, and Baja California — Cape San Lucas, San Jose del Cabo, 

 Santa Margarita Island, Magdalena Ba}'", La Paz, San Jose del Rancho, 

 Santo Domingo, San Ignacio, 20 miles south of Calmalli, upper Hardy 

 River, 10 miles west of Pilot Knob, and one mile south of United 

 States boundary); Guatemala (San Jeronimo, Gualdn, El Rancho, 



" Ten specimens from Florida, Texas, Arizona, and Mexico. 

 ^° Ten specimens from Florida, Texas, Arizona, and Mexico. 



