474 PKEYIXG BIRDS — KAPTORES. 



banilf, and a portion of tlieir inner webs aslij'-white, tliis color prevailing on their under 

 surface. Tail mottled -with brownish-black, ashy, and white, a wide subterminal band 

 nearly black, with tinges of bright rufous ; tip paler, under surface like that of wings. 



Young. Above light brown, dull fulvous and white ; tips of feathers generally with a 

 large ovoid brown spot, bordered with fnlvous, and white at base ; rump with transverse 

 bands of brown and reddish-fulvous ; quills dark brown, their under surface white ; under 

 wing coverts white, spotted with brown and rufous ; tail light ashy, tinged with reddish, 

 and with six or seven imperfect narrow brownish-black bands, all edged with dark red- 

 dish-fulvous ; the tip white. Beneath white, with ovate and sagittate large spots on the 

 front of neck, sides, and abdomen ; tibial and under tail coverts with nearly regular bands 

 of brown and pale reddish ; under surface of tail asli\\ 



Length, about 21.00 ; wing, IG.OO ; tail, 9.50 ; tarsus, 3.00. Bill dark bluish ; legs green- 

 ish-yellow. (Cassin.) 



Ilab. Mexico north to Louisiana (Audubon) ; Xew Mexico (Dr. IIenr\-) ; California 

 (Lawrence). 



Tliis is another form referred to B. horcalis by Dr. Bryant, as a variety, 

 but it is scarcely ^yell enough known for ns to decide on this point. Tlie 

 best marked specimens, above described, are very different. I shot a young 

 specimen at Fort Mojave, agreeing very well with that above described, 

 which, however, Dr. Bryant considers not the young of £. Haiiani, of 

 Audubon. 



§ 2. Length generally under twenty inches, less robust ; tarsi and bill weaker ; first 

 quill longer than eighth; tail never red. (-'Zi. Swaiiisonil cl vars." Bryant.) 



Buteo insignatus, Cassin. 

 THE BBOWN HAWK. 



Buteo insignatus, Cassix, Birds of Cal. and Tex. 1854, 102, 198; pi. .31. In. V. E. "Rep. 

 Birds, IX. 23. — Heekmaxn, X. vi. 32. 



Sp. Char. Entire plumage above and below brown, each feather with a darker central 

 line. Quills above brown, with a purplish lustre, their under surface pale asliy, with 

 white shafts and irregidar white bars. Tail .above dark brown, with an ashy tinge, and 

 about ten darker bands ; beneath nearly white, witli brown bands, the widest snliterminal ; 

 tij) paler or nearly white. Under wing and tail coverts white, striped with reddish- 

 l)rown ; edi'es of wings at shoulder nearly ]Hire white ; tibia; rufous, irregularly barred with 

 brown ; throat, and a few feathers of forehead, white, each feather having a dark brown 

 line. 



Younger, with upper plumage darker, and the under parts dark rufous chestnut ; darker 

 on breast, quite uniform on flanks and abdomen ; throat, forehead, under wing and tail 

 coverts white. 



Young, beneath redili^h-wlute ; each feather with a large terminal oblong brown spot ; 

 abdomen and tibia; with numerous brown bars. Above with nuchal feathers white at 



