ee 
i 
FALCONID®, DIURNAL BIRDS OF PREY.—GEN. 152-156. 211 
152. Genus ROSTRHAMUS Lesson. 
Everglade Kite. Adult g blackish; coverts and base of tail feathers . 
white ; cere and feet yellow; bill and claws black; iris red; 16-18; wing 
133-154; tail 64-74, emarginate; bill about 1, extremely slender and with 
a long hook; tarsi scutellate in front, the bare part shorter than the middle 
toe; claws very long, gently curved. 9 and young brown, more or less 
variegated with fulvous and whitish. Florida, and southward. Cass. in Bp., 
38; Maynarp, Birds of Florida, pls. i, v (in press; best account of the 
PANO TONU) Mane Misr Ns us ies iw, Sm eS torg at. SSOCTABIEISS 
153. Genus ICTINIA Vieillot. 
Mississippi Kite. Plumbeous, paler on the head and under parts, black- 
ening on wings and tail; quills suffused with rich chestnut; sexes alike; 
young varied with rusty and whitish; 14-15; wing 11-12, pointed; tail 
6-64, nearly square. Bill very short and deep, the commissure with promi- 
nent festoon; nostrils small, circular; tarsus short, scutellate anteriorly ; 
outer and middle toe webbed; claws short, stout, flattened beneath. S. At- 
lantic and Gulf States, N. to Illinois (J2idgway). Wrus., iii, 80, pl. 25, 
f.1; Nurr., 1,92; Aup., i, 73, pl. 17; Cass. in Bp., 37. MISSISSIPPIENSIS. 
154. Genus ELANUS Savigny. 
White-tailed Itite. Black-shouldered Hite. Head, tail and under parts 
white ; back cinereous; most of the wing coverts black; bill black; legs 
yellow; young variegated with brown above, the head and tail ashy. Rather 
larger than the last; nostrils nearly circular ; tarsi reticulate, feathered above 
in front; outer toe scarcely webbed; claws rounded underneath; tail emar- 
ginate, but outer feather shorter than the next. South Atlantic and Gulf 
States, California, and southward, chiefly coastwise. Nurr., i, 93; Auvpb., i, 
7O>spl. 1G'; CAss. in Bp.> 387; Coop, 488. . . . =. « . LEUCURUS. 
155. Genus NAUCLERUS Vigors. 
Swallow-tailed Hite. Head, neck and under parts, white; back, wings 
and tail, lustrous black. Tail a foot or more long, deeply forficate ; wing 
15-18, pointed; feet small, greenish-blue; claws pale; tarsi reticulate and 
feathered half way down in front; toes hardly webbed; nostrils broadly 
oval. A beautiful bird, common in the South Atlantic and Gulf States, in 
its extensive wanderings sometimes reaching the Middle districts, and in the 
interior penetrating to Wisconsin (Hoy), Missouri (Cowes) and even Min- 
nesota (lat. 47°; Zrippe). Wus., vi, 70, ee Dil hs Die NUE 4, ipo se ED oy 
Pe(ceplaloseCass.in BD., 36. « . . y) 2 fs eee -RUROATUS: 
156. Genus ACCIPITER Brisson. 
*,* Tarsus feathered but little way down in front (in gen. 157 the feathering 
reaches half way to the toes) ; toes long, slender, much webbed at base and padded 
