BIRDS OF NORTIL AMERICA. : 685 
Habitat, the whole continent. Nests in high trees. Eggs, five, dull 
white, blotched with brown. Male, 204. Female, 24. ‘ 
Faleo borealis, Rich. § Swain. F. B. A. ii. 50. Mutt, i. 102. Aud. i, 265, ond 
be 37. eas Talco loverianus, Wilson, vi. 78. —Buteo borealis, ud. Syn. p. 6; 
plate 
SUBGENUS ELANUS, Sav. 
20. Falco dispar, Temm. — Black-shouldered Hawk. 
Ash gray above ; head, tail, and lower parts, white, with a large bluish 
black patch on the wing above, and a smaller one beneath; feet, orange 
ellow. Male, 14, 40. Female, 163, 413. Habitat, Southern States and 
‘exas. 
Falco dispar, Aud. iv. 397; plate 352,— Paleo melanoptcrus, Bonap. Am, Orn. ii. ; 
Syn. p. 81; App. p. 435. — Elanus dispar, Aud. Syn. p, 13. 
SUBGENUS ICTINIA, Vieddlot. 
21. Falco plumbea, Gmel.— Mississippi Kite, Wilson, p. 241. 
\ 
Habitat, Southern States. Nests in high trees. Eggs, three, light 
green, blotched with deep, chocolate brown, globular. 
Falco Mississippiensis, Wilson, iii, 80.— Falco “plumbeus, Bonap. Syn. P 90. 
Aud. ii. 108, and v. 374; plate 117. —Ictinia plumbea, dud. Syn. p. 14. 
SUBGENUS NAUCLERUS, Vig. 
22. Falco furcatus, Linn. — Swallow-tailed Hawk, Wilson, p. 447. 
Habitat, Texas and the Southern States. Nests in the high trees. 
Eggs, greenish white, with brown blotches. 
Falco furcatus, Wilson, vi. 70. Bonap. Syn. p. 31. Aud. i. 368, and v. 371; Plate 
72. — Nauclerus furcatus, dud. Syn. p. 14. ‘ 
SUBGENUS ASTUR, Cuv. 
93. Falco palumbarius, Linn. — Goshawk, Wilson, p. 453, 
Habitat, northern parts of the continent. Nests in trees. Eggs, three, 
bluish white and spotted with reddish brown. ; 
Falco palumbarius, Bonap. Syn. p. 28. Aud. ii, 241; plates 141 and 36.— Falco 
atricapillus, Mutt. i. 85.— Accipiter palumbarius, Rich. & Swain. ii. 39.— Astur 
palumbarius, Aud. Syn. p. 18. 5 
24. Falco Cooperi, Bonap. — Cooper’s Hawk. 
Plumage, bluish gray; tail, with broad blackish bands, tipped_with 
white. Male, 20, 36. Female, 22, 38. Nests in tops of trees. Eggs, 
three, globular, dull white. Habitat, southern part of United States ; 
Columbia River. 
Falco Cooperii, Bonap. Syn. App. p. 433. aries Stanleit, Aud. ii. 245; i. 185; 
plates 36 and 141.— Astur Coopert, Aud. Syn. p. 1 
25. Falco Fuscus, Gmel. — Sharp-shinned Hawk, Wilson, pp. 404, 407. 
’ Habitat, the whole continent; migratory. 
Falco Pennsylvanicus, Wilson, vi. 13.— Falco velox, Wilson, vi. 116. Bonap. Syn. 
p- 29. Mutt. i. 87. — Falco fuscus, Bonap. Syn. App. p. 433. Aud. iv. 522; plato 
374. — Accipiter Pennsylvanicus, Rich. § Swain. ii Aa Astur fuscus, Aud. Syn. 
p. 18 
SUBGENUS CIRCUS, Bechst. 
26. Falco cyaneus, Linn. Common Harrier, Wilson, p. 445. 
58 
