BVTEO. 235 



coous spots on oiitei* webs of quills much reduced in extent. 

 Male: AVing 12.00-12.50, tail 8.00-9.00, culmen .78, tarsus 

 2.90, middle toe 1.40-1.52. Female: Wing 13.00, tail 9.50, 

 culmeu .90, tarsus 3.00-3.12, middle toe 1.50. Eijfjs 2.19 X 

 1.71. Ilab. Pacific coast of United States (and south into 

 Mexico ?). 

 3396. B. lineatus elegans (C.\ss.). Red-breasted Hawk. 

 d}. Adult with head and neck grayish, with little if any rufous tinge. 

 Adult: Head and neck brownish gray, the feathers with dusky 

 shaft-streaks; those of occiput white, with dusky tips; back 

 and scapulars dull ash-gray, the feathers with largo terminal 

 or subterminal spots of dusky (occupj-iug most of exposed por- 

 tion of each feather) ; lower pans (including breast) baiTed 

 with white and pale ochrey rufous. Young : Similar to corre- 

 sponding stage of ^. lineatus, but smaller and darker in color. 

 Wing 10.90-12.75, tail 7.70-8.50, culmen .80-.90, tarsus 2.90- 

 3.20, middle toe, 1.25-1.45. Bab. Florida. 



339rt. B. lineatus alleni Ridgw. 

 Florida Red-shouldered Hawk, 

 fc'. Only three outer quills with inner webs distinctly emarginatcd. 



t'. Wing more than 13.50. Tail grayish brown, or brownish gray, some- 

 times with a hoary tinge, crossed by an indefinite number (about 9 

 or 10) of narrow dusky bands, which toward base of tail become 

 gradually indistinct and finally obsolete. Adult male, normal plumage : 

 Above nearly uniform grayish brown ; forehead, chin, and throat 

 white, usually abruptly defined and forming a distinct patch ; chest 

 and upper part of breast usually plain rufous or cinnamon (rarely 

 mixed or broken with whilii-h) ; rest of lower parts bufly whitish, 

 Sometimes immaculate, but usuallj' more or less barred or spotted 

 with brownish; length 19.5(1-20.00, extent 48.00-50.50, weight lJ-2} 

 pounds, wing 14.40-lG.OO, tail 8.00-9.00, culmen .S0-.90, tarsus 2.30- 

 2.75, middle toe 1.40-1.60. Adult female, normal plumage : Similar to 

 the male, but chest-patch grayish brown instead of rufous, or cinna- 

 mon ; length 21.00-22.00, extent 50.50-56.00, weight 21-3i pounds, 

 wing 14.75-17.25, tail 9.00-10.00, culmen .QO-Sb, tarsus 2.50-2.90, 

 middle toe 1.50-1. G5. Melanistic phase, both sexes : Whole plumage 

 uniform sooty brown, the under tail-coverts sometimes spotted or 

 barred with rusty or whitish. (Xote. — In different individuals may 

 be seen every possible intermediate condition of plumage between 

 this Complete melanism and the light-colored normal plumage de- 

 scribed above.) You tig : Tail as in adult; above blackish brown 

 varied with buffy or ochraceous; head, neck, and lower parts creamy 

 bufl' (deeper in younger, paler in older individuals), the lower parts 

 usually more or less spotted with blackish, the head and neck 



