290 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



into Mexico as far as the City of Mexico, Orizaba, and Zacatecas. 

 Found also in southern Louisiana (Baton Rouge Parish) as a winter 

 wanderer (specimens September to November). 

 Type locality. — Corpus Chris ti, Tex. 



Buteo elegans (not of Cassin) Dresser, Ibis, 1805, 325 (near San Antonio, Tex.). — 

 (?) CouES, Proc. Acad. Nat. Sci. Philadelphia, 1866, 9 (Arizona).— (?) 

 ScLATER and Salvin, Proc. Zool. Soc. London, 1869, 364 (City of Mexico; 

 Orizaba, Veracruz; crit.). 



(?) [Buteo] lineafus Sclater and Salvin, Nom. Av. Neotr., 1873, 119 (Mexico; 

 "Am. Centrali") . 



Buteo lineatus (not Falco lineatus Gmelin) Kumlien, Field and Forest, 1877, 128 

 (Texas). — Lloyd, Auk, iv, 1887, 188 (Tom Green and Concho Counties, Tex., 

 res.). — Chapman, Bull. Amer. Mus. Nat. Hist., iii, 1891, 322 (Corpus Christi, 

 Tex., crit.). — Salvin and Godman, Biol. Centr.-Amer., Aves, iii, 1900, 66, 

 part (Sonora?; Chihuahua; City of Mexico; Orizaba, Veracruz; Zacatecas). 



Buteo lineatus alleni (not of Ridgway) Attwater, Auk, ix, 1892, 234 (San Antonio, 

 Tex., res.). — Carroll, Auk, xvii, 1900, 342 (Refugio County, Tex., in 

 winter) .—Cahn, Wils. Bull., xxxiii, 1921, 172 (Port Caddo, Baldwin, and 

 Star Ranch, ne. Texas, May, June). 



Buteo lineatus texanus Bishop, Auk, xxix, 1912, 232 (Corpus Christi, Tex.; coll. 

 L. B. Bishop). — SwANN, Synopt. List Accip., pt. 2, 1919, 50; Synop. Accip., 

 ed. 2, 1922, 81; Monogr. Birds Prey, i, 1928, 402 (raonogr). — American 

 Ornithologists' Union, Auk, xl, 1923, 518 (Check-list, No. 339c); Check- 

 list, ed. 4, 1931, 67. — Griscom and Crosby, Auk, xlii, 1925, 535 (stat.; 

 Brownsville, Tex.).— Peters, Check-list Birds of World, i, 1931, 233.— 

 Brooks, Auk, 1, 1933, 61 (not uncommon; Brownsville, Tex.; 2 spec). — 

 Bent, U. S. Nat. Mus. Bull. 167, 1937, 210 (hfe hist.).— Hill, Auk, Ixi, 1944, 

 230 (meas.). — McAtee, Wils. Bull., Ivi, 1944, 154 (Gulf coast migr.). 



BUTEO UNEATUS ALLENI Ridgway 



Florida Red-shouldered Hawk 



Adults (sexes ahke). — Similar to B. l. lineatus, but smaller and 

 paler above and below, with no rufous on the upperparts except the 

 lesser upper wing coverts and with the head and neck grayish with little 

 if any rufous tinge; feathers of crown and nape hair brown with fuscous 

 black shafts; interscapulars, scapulars, and feathers of upper back 

 fuscous-black medially, bordered with grayish hair brown slightly 

 w^ashed with tawny basally; median and greater upper wing coverts 

 fuscous black and white; chin and throat buff}^ white, broadly striped 

 with hair brown on the throat; breast grayish buffy white to pinkish 

 buff obscurely banded with grayish bufFy white, the feathers with dark 

 shafts; rest of underparts buffy white barred with light pinldsh cinna- 

 mon to cinnamon buff, the thighs likewise barred, but the under tail 

 coverts usually unbarred; iris dark warm sepia; orbital ridge greenish; 

 cere, gape, and edge of eyelid light cadmium yellow; feet dull cadmium, 

 paler on tarsi than on toes. 



Juvenal (sexes alil<;e). — Similar to B. I. lineatus but smaller, the 



