292 BULLETIN 5 0, UNITED STATES NATIONAL MUSEUM 



1924, 13 (Victoria County, se. Texas); U. S. Nat. Mus. Bull. 167, 1937, 199 

 (life hist.).— Bailey, Birds Florida, 1925, 70, pi. 37 (fig., distr., Florida).— 

 Simmons, Birds Austin Region, 1925, 102 (Austin, Tex.; habits; nests and 

 eggs; etc.). — Wheeler, Birds Arkansas, 1925, 51, xv (descr. ; distr.; Arkan- 

 sas). — Fargo, Wils. Bull., xxxviii, 1926, 149 (Pinellas and Pasco Counties, 

 Fla.). — Holt and Sutton, Ann. Carnegie Mus., xvi, 1926, 428 (habits, s. 

 Florida).— WoRTHiNGTON and Todd, Wils. Bull., xxxviii, 1926, 212 (Choc- 

 tawhatchee Bay, Fla.). — Bent and Copeland, Auk, xliv, 1927, 380 (common; 

 nesting, Hillsborough and Polk Counties, Fla.). — Christy, Auk, xlv, 1928, 

 288 (Everglades; edge of Big C3'press; s. Florida). — [Arthur], Birds Louis- 

 iana, 1931, 200 (descr.; status, Louisiana). — Baerg, Univ. Arkansas Agr. 

 Exp. Stat. Bull. 258, 1931, 48 (descr.; range; Arkansas). — Bailey and 

 Wright, Wils. Bull., xliii, 1931, 203 (status, s. Louisiana). — Nice, Birds 

 Oklahoma, rev. ed., 1931, 72 (genl.; Oklahoma). — Peters, Check-list Birds 

 of World, i, 1931, 233 (distr.).— Bennitt, Univ. Missouri Stud., vii, No. 3, 

 1932, 23 (se. Missouri; probably common summer res.; uncommon in win- 

 ter).— Howell, Florida Bird Life, 1932, 176 (genl.; Florida).— Peters, 

 Bird-Banding, vii, 1936, 13 (Florida, South Carolina, Alabama, Georgia; 

 ext. parasites). — Murphey, Contr. Charleston Mus., ix, 1937, 12 (Savannah 

 Valley, Ga. ; abundant res.). — Oberholser, Bird Life Louisiana, 1938 169s 

 (Louisiana; fairly common res.; distr.; breeds). — Sutton, Ann. Carnegie 

 Mus., xxvii, 1938, 176 (Tarrant County, Tex.; breeds). — Wetmore, Proc. 

 U. S. Nat. Mus.,Ixxxvi, 1939,181, in text.— Davis, Condor, xlii, 1940, 81, 

 in text (Brazos County, Tex. ; res.). — McIlhenny, Auk, Ix, 1943, 544 (s. 

 Louisiana). — Burleigh, Occ. Pap. Mus. Zool. Louisiana State Univ., No. 

 20, 1944, 359 (Mississippi, coastal area; uncommon res.). — Hill, Auk, Ixi, 

 1944, 230 (meas.). — Green, Griffin, Odum, Stoddard, and Tomkins, 

 Birds Georgia, 1945, 35 (Georgia; breeds). 

 Buteo alleni Gurney, Cat. Birds Prey, 1894, 24.— Sharpe, Hand-list, i, 1899, 257. 



BUTEOJLINEATUS EXTIMUS Bangs 



Bangs's Red-shouldered Hawk 



Adults (sexes alike). — Similar to B. I. alleni, but smaller and 

 averaging slightly paler; crown and occiput with more buffy white on 

 the feather edges; entire underparts pale buffy white rather faintly 

 barred on the upper abdomen and thighs with pale cinnamon-buff. 



Juvenal (sexes alike). — Similar to B. I. alleni, but smaller. 



Adult male.~Wmg 278-291 (283.2); tail 169-180 (173.4); culmcn 

 from cere 18.8-21.1 (20); tarsus 70.5-75.5 (72.1), middle toe without 

 claw 31-34.2 (33.6 mm.) (5 specimens). 



Adult female.— \N\ng 299-305; tail 179.1-182.5; culmen from cere 

 21-22; tarsus 76-76.4; middle toe without claw 35.5-37 mm. (2 

 specimens). 



Range. — Resident in Florida south of Lake Okeechobee and in the 

 Florida Keys; recorded from Cape Sable, Royal Palm Hammock, 

 New River, Ritta, Cape Florida, Key Largo, Indian Key, Big Pine 

 Key, Upper Matecumbe, Boca Chica, Bahia Honda, Grassy Key, 

 and the Tortugas 



Type locality. — Cape Florida, Fla. 



